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Ayana T. Arce

Associate Professor of Physics
Physics
Box 90305, Durham, NC 27708-0305
269 Physics, Durham, NC 27708

Selected Publications


Emulating the impact of additional proton–proton interactions in the ATLAS simulation by presampling sets of inelastic Monte Carlo events

Journal Article Computing and Software for Big Science · December 1, 2022 The accurate simulation of additional interactions at the ATLAS experiment for the analysis of proton–proton collisions delivered by the Large Hadron Collider presents a significant challenge to the computing resources. During the LHC Run 2 (2015–2018), th ... Full text Cite

Search for new phenomena in three- or four-lepton events in ppcollisions at √s = 13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 10, 2022 A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four charged leptons (3ℓ and 4ℓ, ℓ=e,μ) is presented. The analysis aims to be sensitive to a wide range of potential new-physics theories simultaneous ... Full text Cite

Search for exotic decays of the Higgs boson into b b¯ and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2022 A search for the exotic decay of the Higgs boson (H) into a bb¯ resonance plus missing transverse momentum is described. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 fb−1 of pp collisions at s = 13 TeV. The search ... Full text Cite

Search for Higgs boson decays into a pair of pseudoscalar particles in the bbμμ final state with the ATLAS detector in pp collisions at s =13 TeV

Journal Article Physical Review D · January 1, 2022 This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, H→aa, where one a-boson decays into a b-quark pair and the other into a muon pair. The search uses 139 fb-1 of proton-proton collis ... Full text Cite

Search for heavy particles in the b -tagged dijet mass distribution with additional b -tagged jets in proton-proton collisions at s =13 TeV with the ATLAS experiment

Journal Article Physical Review D · January 1, 2022 A search optimized for new heavy particles decaying to two b-quarks and produced in association with additional b-quarks is reported. The sensitivity is improved by b-tagging at least one lower-pT jet in addition to the two highest-pT jets. The data used i ... Full text Cite

Erratum to: Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector (The European Physical Journal C, (2016), 76, 2, (55), 10.1140/epjc/s10052-016-3876-4)

Journal Article European Physical Journal C · January 1, 2022 One correction is noted for the paper. The branching fraction (Formula presented.) was not included in the conversion of the observed cross-section limit, (Formula presented.) to the coupling constants κugt and κcgt and the branching fractions B(t → ug) an ... Full text Cite

Configuration and performance of the ATLAS b-jet triggers in Run 2

Journal Article European Physical Journal C · December 1, 2021 Several improvements to the ATLAS triggers used to identify jets containing b-hadrons (b-jets) were implemented for data-taking during Run 2 of the Large Hadron Collider from 2016 to 2018. These changes include reconfiguring the b-jet trigger software to i ... Full text Cite

Measurement of the t t¯ t t¯ production cross section in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2021 A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of 139 fb−1 is presented. Events are s ... Full text Cite

Search for R-parity-violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using √s=13TeV proton–proton collision data

Journal Article European Physical Journal C · November 1, 2021 A search for R-parity-violating supersymmetry in final states characterized by high jet multiplicity, at least one isolated light lepton and either zero or at least three b-tagged jets is presented. The search uses 139fb-1 of s=13TeV proton–proton collisio ... Full text Cite

Erratum to: Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb −1 of Pb+Pb data with the ATLAS detector (Journal of High Energy Physics, (2021), 2021, 3, (243), 10.1007/JHEP03(2021)243)

Journal Article Journal of High Energy Physics · November 1, 2021 One correction is noted for the paper, which does not affect the results reported. The right panel of figure 9 is corrected as it contained the “internal” label, giving the misleading impression on the credibility of the figure. ... Full text Cite

Measurement of the production cross section of pairs of isolated photons in pp collisions at 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2021 A measurement of prompt photon-pair production in proton-proton collisions at s = 13 TeV is presented. The data were recorded by the ATLAS detector at the LHC with an integrated luminosity of 139 fb−1. Events with two photons in the well-instrumented regio ... Full text Cite

Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2021 The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing transverse momentum and b-tagged jets consistent w ... Full text Cite

Search for exotic decays of the Higgs boson into long-lived particles in pp collisions at √s = 13 TeV using displaced vertices in the ATLAS inner detector

Journal Article Journal of High Energy Physics · November 1, 2021 A novel search for exotic decays of the Higgs boson into pairs of long-lived neutral particles, each decaying into a bottom quark pair, is performed using 139 fb−1 of s = 13 TeV proton-proton collision data collected with the ATLAS detector at the LHC. Eve ... Full text Cite

Search for dark matter in events with missing transverse momentum and a Higgs boson decaying into two photons in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2021 A search for dark-matter particles in events with large missing transverse momentum and a Higgs boson candidate decaying into two photons is reported. The search uses 139 fb−1 of proton-proton collision data collected at s = 13 TeV with the ATLAS detector ... Full text Cite

Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector

Journal Article European Physical Journal C · October 1, 2021 This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association ... Full text Cite

Search for New Phenomena in Final States with Two Leptons and One or No b-Tagged Jets at sqrt[s]=13  TeV Using the ATLAS Detector.

Journal Article Physical review letters · October 2021 A search for new phenomena is presented in final states with two leptons and one or no b-tagged jets. The event selection requires the two leptons to have opposite charge, the same flavor (electrons or muons), and a large invariant mass. The analysis is ba ... Full text Cite

Erratum to: Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at √s = 13 TeV with the ATLAS detector (The European Physical Journal C, (2021), 81, 7, (600), 10.1140/epjc/s10052-021-09344-w)

Journal Article European Physical Journal C · October 1, 2021 In this article the title was incorrectly given as ‘Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at √s = 13 with the ATLAS detector’ but should have been ‘Search for squarks and gluinos in f ... Full text Cite

Evidence for Higgs boson decays to a low-mass dilepton system and a photon in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 10, 2021 A search for the Higgs boson decaying into a photon and a pair of electrons or muons with an invariant mass mℓℓ<30 GeV is presented. The analysis is performed using 139 fb−1 of proton–proton collision data, produced by the LHC at a centre-of-mass energy of ... Full text Cite

Measurement of single top-quark production in association with a W boson in the single-lepton channel at √s=8TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2021 The production cross-section of a top quark in association with a W boson is measured using proton–proton collisions at s=8TeV. The dataset corresponds to an integrated luminosity of 20.2fb-1, and was collected in 2012 by the ATLAS detector at the Large Ha ... Full text Cite

Jet energy scale and resolution measured in proton–proton collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2021 Jet energy scale and resolution measurements with their associated uncertainties are reported for jets using 36–81 fb- 1 of proton–proton collision data with a centre-of-mass energy of s=13 TeV collected by the ATLAS detector at the LHC. Jets are reconstru ... Full text Cite

Emulating the impact of additional proton–proton interactions in the ATLAS simulation by presampling sets of inelastic Monte Carlo events

Journal Article Computing and Software for Big Science · December 1, 2022 The accurate simulation of additional interactions at the ATLAS experiment for the analysis of proton–proton collisions delivered by the Large Hadron Collider presents a significant challenge to the computing resources. During the LHC Run 2 (2015–2018), th ... Full text Cite

Search for new phenomena in three- or four-lepton events in ppcollisions at √s = 13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 10, 2022 A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four charged leptons (3ℓ and 4ℓ, ℓ=e,μ) is presented. The analysis aims to be sensitive to a wide range of potential new-physics theories simultaneous ... Full text Cite

Search for exotic decays of the Higgs boson into b b¯ and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2022 A search for the exotic decay of the Higgs boson (H) into a bb¯ resonance plus missing transverse momentum is described. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 fb−1 of pp collisions at s = 13 TeV. The search ... Full text Cite

Search for Higgs boson decays into a pair of pseudoscalar particles in the bbμμ final state with the ATLAS detector in pp collisions at s =13 TeV

Journal Article Physical Review D · January 1, 2022 This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, H→aa, where one a-boson decays into a b-quark pair and the other into a muon pair. The search uses 139 fb-1 of proton-proton collis ... Full text Cite

Search for heavy particles in the b -tagged dijet mass distribution with additional b -tagged jets in proton-proton collisions at s =13 TeV with the ATLAS experiment

Journal Article Physical Review D · January 1, 2022 A search optimized for new heavy particles decaying to two b-quarks and produced in association with additional b-quarks is reported. The sensitivity is improved by b-tagging at least one lower-pT jet in addition to the two highest-pT jets. The data used i ... Full text Cite

Erratum to: Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector (The European Physical Journal C, (2016), 76, 2, (55), 10.1140/epjc/s10052-016-3876-4)

Journal Article European Physical Journal C · January 1, 2022 One correction is noted for the paper. The branching fraction (Formula presented.) was not included in the conversion of the observed cross-section limit, (Formula presented.) to the coupling constants κugt and κcgt and the branching fractions B(t → ug) an ... Full text Cite

Configuration and performance of the ATLAS b-jet triggers in Run 2

Journal Article European Physical Journal C · December 1, 2021 Several improvements to the ATLAS triggers used to identify jets containing b-hadrons (b-jets) were implemented for data-taking during Run 2 of the Large Hadron Collider from 2016 to 2018. These changes include reconfiguring the b-jet trigger software to i ... Full text Cite

Measurement of the t t¯ t t¯ production cross section in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2021 A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of 139 fb−1 is presented. Events are s ... Full text Cite

Search for R-parity-violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using √s=13TeV proton–proton collision data

Journal Article European Physical Journal C · November 1, 2021 A search for R-parity-violating supersymmetry in final states characterized by high jet multiplicity, at least one isolated light lepton and either zero or at least three b-tagged jets is presented. The search uses 139fb-1 of s=13TeV proton–proton collisio ... Full text Cite

Erratum to: Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb −1 of Pb+Pb data with the ATLAS detector (Journal of High Energy Physics, (2021), 2021, 3, (243), 10.1007/JHEP03(2021)243)

Journal Article Journal of High Energy Physics · November 1, 2021 One correction is noted for the paper, which does not affect the results reported. The right panel of figure 9 is corrected as it contained the “internal” label, giving the misleading impression on the credibility of the figure. ... Full text Cite

Measurement of the production cross section of pairs of isolated photons in pp collisions at 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2021 A measurement of prompt photon-pair production in proton-proton collisions at s = 13 TeV is presented. The data were recorded by the ATLAS detector at the LHC with an integrated luminosity of 139 fb−1. Events with two photons in the well-instrumented regio ... Full text Cite

Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2021 The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing transverse momentum and b-tagged jets consistent w ... Full text Cite

Search for exotic decays of the Higgs boson into long-lived particles in pp collisions at √s = 13 TeV using displaced vertices in the ATLAS inner detector

Journal Article Journal of High Energy Physics · November 1, 2021 A novel search for exotic decays of the Higgs boson into pairs of long-lived neutral particles, each decaying into a bottom quark pair, is performed using 139 fb−1 of s = 13 TeV proton-proton collision data collected with the ATLAS detector at the LHC. Eve ... Full text Cite

Search for dark matter in events with missing transverse momentum and a Higgs boson decaying into two photons in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2021 A search for dark-matter particles in events with large missing transverse momentum and a Higgs boson candidate decaying into two photons is reported. The search uses 139 fb−1 of proton-proton collision data collected at s = 13 TeV with the ATLAS detector ... Full text Cite

Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector

Journal Article European Physical Journal C · October 1, 2021 This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association ... Full text Cite

Search for New Phenomena in Final States with Two Leptons and One or No b-Tagged Jets at sqrt[s]=13  TeV Using the ATLAS Detector.

Journal Article Physical review letters · October 2021 A search for new phenomena is presented in final states with two leptons and one or no b-tagged jets. The event selection requires the two leptons to have opposite charge, the same flavor (electrons or muons), and a large invariant mass. The analysis is ba ... Full text Cite

Erratum to: Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at √s = 13 TeV with the ATLAS detector (The European Physical Journal C, (2021), 81, 7, (600), 10.1140/epjc/s10052-021-09344-w)

Journal Article European Physical Journal C · October 1, 2021 In this article the title was incorrectly given as ‘Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at √s = 13 with the ATLAS detector’ but should have been ‘Search for squarks and gluinos in f ... Full text Cite

Evidence for Higgs boson decays to a low-mass dilepton system and a photon in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 10, 2021 A search for the Higgs boson decaying into a photon and a pair of electrons or muons with an invariant mass mℓℓ<30 GeV is presented. The analysis is performed using 139 fb−1 of proton–proton collision data, produced by the LHC at a centre-of-mass energy of ... Full text Cite

Measurement of single top-quark production in association with a W boson in the single-lepton channel at √s=8TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2021 The production cross-section of a top quark in association with a W boson is measured using proton–proton collisions at s=8TeV. The dataset corresponds to an integrated luminosity of 20.2fb-1, and was collected in 2012 by the ATLAS detector at the Large Ha ... Full text Cite

Jet energy scale and resolution measured in proton–proton collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2021 Jet energy scale and resolution measurements with their associated uncertainties are reported for jets using 36–81 fb- 1 of proton–proton collision data with a centre-of-mass energy of s=13 TeV collected by the ATLAS detector at the LHC. Jets are reconstru ... Full text Cite

Measurements of the inclusive and differential production cross sections of a top-quark–antiquark pair in association with a Z boson at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2021 Measurements of both the inclusive and differential production cross sections of a top-quark–antiquark pair in association with a Z boson (tt¯ Z) are presented. The measurements are performed by targeting final states with three or four isolated leptons (e ... Full text Cite

Measurements of sensor radiation damage in the ATLAS inner detector using leakage currents

Journal Article Journal of Instrumentation · August 1, 2021 Non-ionizing energy loss causes bulk damage to the silicon sensors of the ATLAS pixel and strip detectors. This damage has important implications for data-taking operations, charged-particle track reconstruction, detector simulations, and physics analysis. ... Full text Cite

Search for charged-lepton-flavour violation in Z-boson decays with the ATLAS detector

Journal Article Nature Physics · July 1, 2021 Leptons with essentially the same properties apart from their mass are grouped into three families (or flavours). The number of leptons of each flavour is conserved in interactions, but this is not imposed by fundamental principles. Since the formulation o ... Full text Cite

Measurements of differential cross-sections in four-lepton events in 13 TeV proton-proton collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2021 Measurements of four-lepton differential and integrated fiducial cross-sections in events with two same-flavour, opposite-charge electron or muon pairs are presented. The data correspond to 139 fb−1 of s = 13 TeV proton-proton collisions, collected by the ... Full text Cite

Test of the universality of τ and μ lepton couplings in W-boson decays with the ATLAS detector

Journal Article Nature Physics · July 1, 2021 The standard model of particle physics encapsulates our best current understanding of physics at the smallest scales. A fundamental axiom of this theory is the universality of the couplings of the different generations of leptons to the electroweak gauge b ... Full text Cite

Two-particle azimuthal correlations in photonuclear ultraperipheral Pb+Pb collisions at 5.02 TeV with ATLAS

Journal Article Physical Review C · July 1, 2021 Two-particle long-range azimuthal correlations are measured in photonuclear collisions using 1.7nb-1 of 5.02 TeV Pb+Pb collision data collected by the ATLAS experiment at the CERN Large Hadron Collider. Candidate events are selected using a dedicated high- ... Full text Cite

Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at √s=13 with the ATLAS detector

Journal Article European Physical Journal C · July 1, 2021 The results of a search for gluino and squark pair production with the pairs decaying via the lightest charginos into a final state consisting of two W bosons, the lightest neutralinos (χ~10), and quarks, are presented: the signal is characterised by the p ... Full text Cite

A search for the decays of stopped long-lived particles at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2021 A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. The subsequent decays of these particles can produce high-momentum jets, resulting in large out-of-time energy deposits in the ATLAS calorimeters. These de- ... Full text Cite

Search for Displaced Leptons in sqrt[s]=13  TeV pp Collisions with the ATLAS Detector.

Journal Article Physical review letters · July 2021 A search for charged leptons with large impact parameters using 139  fb^{-1} of sqrt[s]=13  TeV pp collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. Results are co ... Full text Cite

Search for supersymmetry in events with four or more charged leptons in 139 fb −1 of √s = 13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2021 A search for supersymmetry in events with four or more charged leptons (electrons, muons and τ-leptons) is presented. The analysis uses a data sample corresponding to 139 fb−1 of proton-proton collisions delivered by the Large Hadron Collider at s = 13 TeV ... Full text Cite

Muon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at √s=13 TeV

Journal Article European Physical Journal C · July 1, 2021 This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb - 1 of pp collision data at s=13 TeV collected between 2015 and 2018 during Run 2 of the LHC. The increased instantaneous luminosity de ... Full text Cite

Determination of the parton distribution functions of the proton from ATLAS measurements of differential W± and Z boson production in association with jets

Journal Article Journal of High Energy Physics · July 1, 2021 This article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading order in QCD. The new data sets considered are the measurements of W+ and W− boson and Z boson production in associ ... Full text Cite

Performance of the ATLAS RPC detector and Level-1 muon barrel trigger at √s = 13 TeV

Journal Article Journal of Instrumentation · July 1, 2021 The ATLAS experiment at the Large Hadron Collider (LHC) employs a trigger system consisting of a first-level hardware trigger (L1) and a software-based high-level trigger. The L1 muon trigger system selects muon candidates, assigns them to the correct LHC ... Full text Cite

The ATLAS fast TracKer system

Journal Article Journal of Instrumentation · July 1, 2021 The ATLAS Fast TracKer (FTK) was designed to provide full tracking for the ATLAS high-level trigger by using pattern recognition based on Associative Memory (AM) chips and fitting in high-speed field programmable gate arrays. The tracks found by the FTK ar ... Full text Cite

Measurements of W + W + ≥ 1 jet production cross-sections in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2021 Fiducial and differential cross-section measurements of W+W− production in association with at least one hadronic jet are presented. These measurements are sensitive to the properties of electroweak-boson self-interactions and provide a test of perturbativ ... Full text Cite

Measurements of Higgs bosons decaying to bottom quarks from vector boson fusion production with the ATLAS experiment at √s=13TeV

Journal Article European Physical Journal C · June 1, 2021 The paper presents a measurement of the Standard Model Higgs Boson decaying to b-quark pairs in the vector boson fusion (VBF) production mode. A sample corresponding to 126 fb - 1 of s=13TeV proton–proton collision data, collected with the ATLAS experiment ... Full text Cite

Search for charged Higgs bosons decaying into a top quark and a bottom quark at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2021 A search for charged Higgs bosons decaying into a top quark and a bottom quark is presented. The data analysed correspond to 139 fb−1 of proton-proton collisions at s = 13 TeV, recorded with the ATLAS detector at the LHC. The production of a heavy charged ... Full text Cite

Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at √s = 13 TeV

Journal Article Journal of High Energy Physics · June 1, 2021 A search for charged Higgs bosons decaying into W±W± or W±Z bosons is performed, involving experimental signatures with two leptons of the same charge, or three or four leptons with a variety of charge combinations, missing transverse momentum and jets. A ... Full text Cite

Search for pair production of third-generation scalar leptoquarks decaying into a top quark and a τ-lepton in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2021 A search for pair production of third-generation scalar leptoquarks decaying into a top quark and a τ-lepton is presented. The search is based on a dataset of pp collisions at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Col ... Full text Cite

Erratum to: Higgs boson production cross-section measurements and their EFT interpretation in the 4 ℓ decay channel at s = 13 TeV with the ATLAS detector (The European Physical Journal C, (2020), 80, 10, (957), 10.1140/epjc/s10052-020-8227-9)

Journal Article European Physical Journal C · May 1, 2021 When quoting the final cross section result in the text of the paper (Eur. Phys. J. C 80 (2020) 957), the theory component of the uncertainty was incorrectly set to 0.04 pb while the correct value of 0.03 pb was given in Table 8 and in all other results re ... Full text Cite

Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb and ℓℓWW final states in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · May 1, 2021 A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 139 fb- 1 from proton–proton collisions at s=13 TeV recorded by the ATLAS d ... Full text Cite

Search for new phenomena in final states with b-jets and missing transverse momentum in √s = 13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2021 The results of a search for new phenomena in final states with b-jets and missing transverse momentum using 139 fb−1 of proton-proton data collected at a centre-of-mass energy s = 13 TeV by the ATLAS detector at the LHC are reported. The analysis targets f ... Full text Cite

Search for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton–proton collisions at √s = 13 TeV with the ATLAS detector

Journal Article European Physical Journal C · April 1, 2021 A search for pair production of scalar leptoquarks, each decaying into either an electron or a muon and a top quark, is presented. This is the first leptoquark search using ATLAS data to investigate top-philic cross-generational couplings that could provid ... Full text Cite

Erratum: Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector (Journal of High Energy Physics, (2020), 2020, 11, (5), 10.1007/JHEP11(2020)005)

Journal Article Journal of High Energy Physics · April 1, 2021 The Lagrangian in eq. (2.1) of JHEP11 (2020) 005 has an erroneous factor of 1/2. The analysis code used for the results reported in the paper does not have this factor. The results remain unchanged. ... Full text Cite

Search for heavy resonances decaying into a pair of Z bosons in the ℓ+-′ +′ - and ℓ+-νν¯ final states using 139 fb - 1 of proton–proton collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · April 1, 2021 A search for heavy resonances decaying into a pair of Z bosons leading to ℓ+ℓ-ℓ′ +ℓ′ - and ℓ+ℓ-νν¯ final states, where ℓ stands for either an electron or a muon, is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 Te ... Full text Cite

Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions

Journal Article European Physical Journal C · April 1, 2021 Jet substructure has provided new opportunities for searches and measurements at the LHC, and has seen continuous development since the optimization of the large-radius jet definition used by ATLAS was performed during Run 1. A range of new inputs to jet r ... Full text Cite

Search for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2021 The results of a search for direct pair production of top squarks and for dark matter in events with two opposite-charge leptons (electrons or muons), jets and missing transverse momentum are reported, using 139 fb−1 of integrated luminosity from proton-pr ... Full text Cite

Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2021 A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. Signal regions are designed to search for two-, three-, and four-body decays of the direc ... Full text Cite

Measurement of the CP-violating phase ϕs in Bs0→J/ψϕ decays in ATLAS at 13 TeV

Journal Article European Physical Journal C · April 1, 2021 A measurement of the Bs0→J/ψϕ decay parameters using 80.5fb-1 of integrated luminosity collected with the ATLAS detector from 13 Te proton–proton collisions at the LHC is presented. The measured parameters include the CP-violating phase ϕs, the width diffe ... Full text Cite

Search for type-III seesaw heavy leptons in dilepton final states in pp collisions at √s=13TeV with the ATLAS detector

Journal Article European Physical Journal C · March 1, 2021 A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to 139fb-1 of integrated luminosity recorded by t ... Full text Cite

Erratum to: Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC (The European Physical Journal C, (2021), 81, 1, (11), 10.1140/epjc/s10052-020-08730-0)

Journal Article European Physical Journal C · March 1, 2021 In the original HTML version of this article, one affiliation of the author V. O. Tikhomirov was missing. He is affiliated to the following two affiliations: P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia National Resear ... Full text Cite

Search for Dark Matter Produced in Association with a Dark Higgs Boson Decaying into W^{±}W^{∓} or ZZ in Fully Hadronic Final States from sqrt[s]=13  TeV pp Collisions Recorded with the ATLAS Detector.

Journal Article Physical review letters · March 2021 Several extensions of the Standard Model predict the production of dark matter particles at the LHC. An uncharted signature of dark matter particles produced in association with VV=W^{±}W^{∓} or ZZ pairs from a decay of a dark Higgs boson s is searched for ... Full text Cite

Longitudinal Flow Decorrelations in Xe+Xe Collisions at sqrt[s_{NN}]=5.44  TeV with the ATLAS Detector.

Journal Article Physical review letters · March 2021 The first measurement of longitudinal decorrelations of harmonic flow amplitudes v_{n} for n=2-4 in Xe+Xe collisions at sqrt[s_{NN}]=5.44  TeV is obtained using 3  μb^{-1} of data with the ATLAS detector at the LHC. The decorrelation signal for v_{3} and v ... Full text Cite

Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb−1 of Pb+Pb data with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2021 This paper describes a measurement of light-by-light scattering based on Pb+Pb collision data recorded by the ATLAS experiment during Run 2 of the LHC. The study uses 2.2 nb−1 of integrated luminosity collected in 2015 and 2018 at sNN = 5.02 TeV. Light-by- ... Full text Cite

Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2021 A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. With a focus on the vector-boson fusion process and the dominant Higgs boson decay into b-quark pairs, the search benefits from a large red ... Full text Cite

Measurements of WH and ZH production in the H→ bb¯ decay channel in pp collisions at 13Te with the ATLAS detector

Journal Article European Physical Journal C · February 1, 2021 Measurements of the Standard Model Higgs boson decaying into a bb¯ pair and produced in association with a W or Z boson decaying into leptons, using proton–proton collision data collected between 2015 and 2018 by the ATLAS detector, are presented. The meas ... Full text Cite

Differential cross-section measurements for the electroweak production of dijets in association with a Z boson in proton–proton collisions at ATLAS

Journal Article European Physical Journal C · February 1, 2021 Differential cross-section measurements are presented for the electroweak production of two jets in association with a Z boson. These measurements are sensitive to the vector-boson fusion production mechanism and provide a fundamental test of the gauge str ... Full text Cite

Medium-Induced Modification of Z-Tagged Charged Particle Yields in Pb+Pb Collisions at 5.02 TeV with the ATLAS Detector.

Journal Article Physical review letters · February 2021 The yield of charged particles opposite to a Z boson with large transverse momentum (p_{T}) is measured in 260  pb^{-1} of pp and 1.7  nb^{-1} of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector at the Large Hadron Collide ... Full text Cite

Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb −1 of √s = 13 TeV pp collision data with the ATLAS detector

Journal Article Journal of High Energy Physics · February 1, 2021 A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded by the ATLAS experiment ... Full text Cite

Search for dark matter in association with an energetic photon in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · February 1, 2021 A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at s = 13 TeV. The data, collected during 2015–2018 by the ATLAS experiment at the CERN LHC, correspond to an integrated l ... Full text Cite

Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC

Journal Article European Physical Journal C · January 1, 2021 A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search uses 139fb-1 of s = 13 TeV proton–proton co ... Full text Cite

Measurement of hadronic event shapes in high-p T multijet final states at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2021 A measurement of event-shape variables in proton-proton collisions at large momentum transfer is presented using data collected at s = 13 TeV with the ATLAS detector at the Large Hadron Collider. Six event-shape variables calculated using hadronic jets are ... Full text Cite

Erratum to: Higgs boson production cross-section measurements and their EFT interpretation in the 4 ℓ decay channel at s = 13 TeV with the ATLAS detector (The European Physical Journal C, (2020), 80, 10, (957), 10.1140/epjc/s10052-020-8227-9)

Journal Article European Physical Journal C · January 1, 2021 In the published HTML version of this article, the affiliations of the authors of the National Research Nuclear University MEPhI, Moscow, Russia were unfortunately marked incorrectly. ... Full text Cite

Determination of jet calibration and energy resolution in proton–proton collisions at √s=8TeV using the ATLAS detector

Journal Article European Physical Journal C · December 1, 2020 The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton–proton data produced at a centre-of-mass energy of 8 TeV with an integrated luminosity of 20fb- ... Full text Cite

Alignment of the ATLAS Inner Detector in Run 2

Journal Article European Physical Journal C · December 1, 2020 The performance of the ATLAS Inner Detector alignment has been studied using pp collision data at s=13TeV collected by the ATLAS experiment during Run 2 (2015–2018) of the Large Hadron Collider (LHC). The goal of the detector alignment is to determine the ... Full text Cite

Search for Heavy Resonances Decaying into a Photon and a Hadronically Decaying Higgs Boson in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · December 2020 This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at sqrt[s]=13  TeV collected by the ATLAS detector at the LHC. The data correspond to an integrated luminos ... Full text Cite

Observation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLAS.

Journal Article Physical review letters · December 2020 The observation of forward proton scattering in association with lepton pairs (e^{+}e^{-}+p or μ^{+}μ^{-}+p) produced via photon fusion is presented. The scattered proton is detected by the ATLAS Forward Proton spectrometer, while the leptons are reconstru ... Full text Cite

Search for heavy diboson resonances in semileptonic final states in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · December 1, 2020 This paper reports on a search for heavy resonances decaying into WW, ZZ or WZ using proton–proton collision data at a centre-of-mass energy of s=13 TeV. The data, corresponding to an integrated luminosity of 139 fb 1, were recorded with the ATLAS detector ... Full text Cite

Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2020 A search for new physics with non-resonant signals in dielectron and dimuon final states in the mass range above 2 TeV is presented. This is the first search for non-resonant signals in dilepton final states at the LHC to use a background estimate from the ... Full text Cite

Search for top squarks in events with a Higgs or Z boson using 139 fb - 1 of pp collision data at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · November 1, 2020 This paper presents a search for direct top squark pair production in events with missing transverse momentum plus either a pair of jets consistent with Standard Model Higgs boson decay into b-quarks or a same-flavour opposite-sign dilepton pair with an in ... Full text Cite

Evidence for tt¯ tt¯ production in the multilepton final state in proton–proton collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · November 1, 2020 A search is presented for four-top-quark production using an integrated luminosity of 139 fb- 1 of proton–proton collision data at a centre-of-mass energy of 13TeV collected by the ATLAS detector at the LHC. Events are selected if they contain a same-sign ... Full text Cite

Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector.

Journal Article Physical review letters · November 2020 A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139  fb^{-1} collected at sqrt[s]=13  TeV by the ATLAS experiment at the CERN LHC ... Full text Cite

Reconstruction and identification of boosted di-τ systems in a search for Higgs boson pairs using 13 TeV proton-proton collision data in ATLAS

Journal Article Journal of High Energy Physics · November 1, 2020 In this paper, a new technique for reconstructing and identifying hadronically decaying τ+τ− pairs with a large Lorentz boost, referred to as the di-τ tagger, is developed and used for the first time in the ATLAS experiment at the Large Hadron Collider. A ... Full text Cite

Search for tt¯ resonances in fully hadronic final states in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2020 This paper presents a search for new heavy particles decaying into a pair of top quarks using 139 fb−1 of proton-proton collision data recorded at a centre-of-mass energy of s = 13 TeV with the ATLAS detector at the Large Hadron Collider. The search is per ... Full text Cite

Higgs boson production cross-section measurements and their EFT interpretation in the 4 ℓ decay channel at √s= 13 TeV with the ATLAS detector

Journal Article European Physical Journal C · October 1, 2020 Higgs boson properties are studied in the four-lepton decay channel (where lepton = e, μ) using 139 fb - 1 of proton–proton collision data recorded at s=13 TeV by the ATLAS experiment at the Large Hadron Collider. The inclusive cross-section times branchin ... Full text Cite

Measurements of the Higgs boson inclusive and differential fiducial cross sections in the 4 ℓ decay channel at √s = 13 TeV

Journal Article European Physical Journal C · October 1, 2020 Inclusive and differential fiducial cross sections of the Higgs boson are measured in the H→ ZZ∗→ 4 ℓ (ℓ= e, μ) decay channel. The results are based on proton−proton collision data produced at the Large Hadron Collider at a centre-of-mass energy of 13 TeV ... Full text Cite

Erratum: Measurement of differential cross sections and W + /W cross-section ratios for W boson production in association with jets at s = 8 TeV with the ATLAS detector (Journal of High Energy Physics, (2018), 2018, 5, (77), 10.1007/JHEP05(2018)077)

Journal Article Journal of High Energy Physics · October 1, 2020 Two additions impacting tables 3 and 4 in ref. [1] are presented in the following. No significant impact is found for other results or figures in ref. [1]. ... Full text Cite

Search for pairs of scalar leptoquarks decaying into quarks and electrons or muons in √s = 13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2020 A search for new-physics resonances decaying into a lepton and a jet performed by the ATLAS experiment is presented. Scalar leptoquarks pair-produced in pp collisions at s = 13 TeV at the Large Hadron Collider are considered using an integrated luminosity ... Full text Cite

Dijet Resonance Search with Weak Supervision Using sqrt[s]=13  TeV pp Collisions in the ATLAS Detector.

Journal Article Physical review letters · September 2020 This Letter describes a search for narrowly resonant new physics using a machine-learning anomaly detection procedure that does not rely on signal simulations for developing the analysis selection. Weakly supervised learning is used to train classifiers di ... Full text Cite

CP Properties of Higgs Boson Interactions with Top Quarks in the tt[over ¯]H and tH Processes Using H→γγ with the ATLAS Detector.

Journal Article Physical review letters · August 2020 A study of the charge conjugation and parity (CP) properties of the interaction between the Higgs boson and top quarks is presented. Higgs bosons are identified via the diphoton decay channel (H→γγ), and their production in association with a top quark pai ... Full text Cite

Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2020 The results of a search for electroweakino pair production pp→χ~1±χ~20 in which the chargino (χ~1±) decays into a W boson and the lightest neutralino (χ~10), while the heavier neutralino (χ~20) decays into the Standard Model 125 GeV Higgs boson and a secon ... Full text Cite

Measurements of top-quark pair spin correlations in the eμ channel at √s=13 TeV using pp collisions in the ATLAS detector

Journal Article European Physical Journal C · August 1, 2020 A measurement of observables sensitive to spin correlations in tt¯ production is presented, using 36.1 fb - 1 of pp collision data at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider. Differential cross-sections are measured in events ... Full text Cite

Search for a scalar partner of the top quark in the all-hadronic tt¯ plus missing transverse momentum final state at √s=13 TeV with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2020 A search for direct pair production of scalar partners of the top quark (top squarks or scalar third-generation up-type leptoquarks) in the all-hadronic tt¯ plus missing transverse momentum final state is presented. The analysis of 139 fb - 1 of s=13 TeV p ... Full text Cite

Observation of the associated production of a top quark and a Z boson in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2020 Single top-quark production in association with a Z boson, where the Z boson decays to a pair of charged leptons, is measured in the trilepton channel. The proton-proton collision data collected by the ATLAS experiment from 2015 to 2018 at a centre-of-mass ... Full text Cite

Search for Heavy Higgs Bosons Decaying into Two Tau Leptons with the ATLAS Detector Using pp Collisions at sqrt[s]=13  TeV.

Journal Article Physical review letters · July 2020 A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139  fb^{-1} of proton-proton collisions at sqrt[s]=13  TeV recorded with the ATLAS detector. The search for heavy resonances is per ... Full text Cite

Test of CP invariance in vector-boson fusion production of the Higgs boson in the H → ττ channel in proton–proton collisions at [Formula presented] with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2020 A test of CP invariance in Higgs boson production via vector-boson fusion is performed in the H→ττ decay channel. This test uses the Optimal Observable method and is carried out using 36.1fb−1 of s=13TeV proton–proton collision data collected by the ATLAS ... Full text Cite

Measurement of the Lund Jet Plane Using Charged Particles in 13 TeV Proton-Proton Collisions with the ATLAS Detector.

Journal Article Physical review letters · June 2020 The prevalence of hadronic jets at the LHC requires that a deep understanding of jet formation and structure is achieved in order to reach the highest levels of experimental and theoretical precision. There have been many measurements of jet substructure a ... Full text Cite

Search for dijet resonances in events with an isolated charged lepton using √s = 13 TeV proton-proton collision data collected by the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2020 A search for dijet resonances in events with at least one isolated charged lepon is performed using 139 fb−1 of s = 13 TeV proton-proton collision data recorded by the ATLAS detector at the LHC. The dijet invariant-mass (mjj) distribution constructed from ... Full text Cite

ATLAS data quality operations and performance for 2015-2018 data-taking

Journal Article Journal of Instrumentation · April 1, 2020 The ATLAS detector at the Large Hadron Collider reads out particle collision data from over 100 million electronic channels at a rate of approximately 100 kHz, with a recording rate for physics events of approximately 1 kHz. Before being certified for phys ... Full text Cite

Searches for electroweak production of supersymmetric particles with compressed mass spectra in s =13 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · March 1, 2020 This paper presents results of searches for the electroweak production of supersymmetric particles in models with compressed mass spectra. The searches use 139 fb-1 of s=13 TeV proton-proton collision data collected by the ATLAS experiment at the Large Had ... Full text Cite

Measurement of soft-drop jet observables in pp collisions with the ATLAS detector at s =13 TeV

Journal Article Physical Review D · March 1, 2020 Jet substructure quantities are measured using jets groomed with the soft-drop grooming procedure in dijet events from 32.9 fb-1 of pp collisions collected with the ATLAS detector at s=13 TeV. These observables are sensitive to a wide range of QCD phenomen ... Full text Cite

Search for long-lived neutral particles produced in pp collisions at s =13 TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer

Journal Article Physical Review D · March 1, 2020 A search is presented for pair production of long-lived neutral particles using 33 fb-1 of s=13 TeV proton-proton collision data, collected during 2016 by the ATLAS detector at the LHC. This search focuses on a topology in which one long-lived particle dec ... Full text Cite

Measurement of the azimuthal anisotropy of charged-particle production in Xe+Xe collisions at sNN =5.44 TeV with the ATLAS detector

Journal Article Physical Review C · February 1, 2020 This paper describes the measurements of flow harmonics v2-v6 in 3μb-1 of Xe+Xe collisions at sNN=5.44 TeV performed using the ATLAS detector at the Large Hadron Collider (LHC). Measurements of the centrality, multiplicity, and pT dependence of the vn obta ... Full text Cite

Measurement of Azimuthal Anisotropy of Muons from Charm and Bottom Hadrons in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · February 2020 The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at sqrt[s]=13  TeV using a data sample with an integrated luminosity of 150  pb^{-1} recorded by the ATLAS detector at the LHC. The muons from heavy-flavor d ... Full text Cite

Measurement of long-range two-particle azimuthal correlations in Z-boson tagged pp collisions at √s=8 and 13 TeV

Journal Article European Physical Journal C · January 1, 2020 Results are presented from the measurement by ATLAS of long-range (| Δ η| > 2) dihadron angular correlations in s=8 and 13 TeV pp collisions containing a Z boson. The analysis is performed using 19.4 fb - 1 of s=8 TeV data recorded during Run 1 of the LHC ... Full text Cite

Search for Magnetic Monopoles and Stable High-Electric-Charge Objects in 13 Tev Proton-Proton Collisions with the ATLAS Detector.

Journal Article Physical review letters · January 2020 A search for magnetic monopoles and high-electric-charge objects is presented using 34.4  fb^{-1} of 13 TeV pp collision data collected by the ATLAS detector at the LHC during 2015 and 2016. The considered signature is based upon high ionization in the tra ... Full text Cite

Measurement of J/ψ production in association with a W ± boson with pp data at 8 TeV

Journal Article Journal of High Energy Physics · January 1, 2020 A measurement of the production of a prompt J/ψ meson in association with a W± boson with W± → μν and J/ψ → μ+μ− is presented for J/ψ transverse momenta in the range 8.5–150 GeV and rapidity |yJ/ψ| < 2.1 using ATLAS data recorded in 2012 at the LHC. The da ... Full text Cite

Transverse momentum and process dependent azimuthal anisotropies in √sNN=8.16 TeV p+Pb collisions with the ATLAS detector

Journal Article European Physical Journal C · January 1, 2020 The azimuthal anisotropy of charged particles produced in sNN=8.16 TeV p+Pb collisions is measured with the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 165 nb - 1 that was collected in 2016. Azimuthal anisotropy coefficien ... Full text Cite

Observation of Electroweak Production of a Same-Sign W Boson Pair in Association with Two Jets in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · October 2019 This Letter presents the observation and measurement of electroweak production of a same-sign W boson pair in association with two jets using 36.1  fb^{-1} of proton-proton collision data recorded at a center-of-mass energy of sqrt[s]=13  TeV by the ATLAS ... Full text Cite

Measurement of prompt photon production in sNN=8.16 TeV p + Pb collisions with ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 10, 2019 The inclusive production rates of isolated, prompt photons in p+Pb collisions at sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and ... Full text Cite

Dijet azimuthal correlations and conditional yields in pp and p+Pb collisions at sNN=5.02TeV with the ATLAS detector

Journal Article Physical Review C · September 6, 2019 This paper presents a measurement of forward-forward and forward-central dijet azimuthal angular correlations and conditional yields in proton-proton (pp) and proton-lead (p+Pb) collisions as a probe of the nuclear gluon density in regions where the fracti ... Full text Cite

Searches for scalar leptoquarks and differential cross-section measurements in dilepton–dijet events in proton–proton collisions at a centre-of-mass energy of √s = 13 TeV with the ATLAS experiment

Journal Article European Physical Journal C · September 1, 2019 Searches for scalar leptoquarks pair-produced in proton–proton collisions at s=13 TeV at the Large Hadron Collider are performed by the ATLAS experiment. A data set corresponding to an integrated luminosity of 36.1 fb- 1 is used. Final states containing tw ... Full text Cite

Search for excited electrons singly produced in proton–proton collisions at √s=13Te with the ATLAS experiment at the LHC

Journal Article European Physical Journal C · September 1, 2019 A search for excited electrons produced in pp collisions at s = 13 Te via a contact interaction qq¯ → ee∗ is presented. The search uses 36.1 fb- 1 of data collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider. Decays of the excite ... Full text Cite

Observation of Light-by-Light Scattering in Ultraperipheral Pb+Pb Collisions with the ATLAS Detector.

Journal Article Physical review letters · August 2019 This Letter describes the observation of the light-by-light scattering process, γγ→γγ, in Pb+Pb collisions at sqrt[s_{NN}]=5.02  TeV. The analysis is conducted using a data sample corresponding to an integrated luminosity of 1.73  nb^{-1}, collected in Nov ... Full text Cite

Electron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton–proton collision data at √s=13 TeV

Journal Article European Physical Journal C · August 1, 2019 Algorithms used for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC) are presented in this paper; these algorithms are used in ATLAS physics analyses that involve electrons in ... Full text Cite

Search for chargino and neutralino production in final states with a Higgs boson and missing transverse momentum at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · July 30, 2019 A search is conducted for the electroweak pair production of a chargino and a neutralino pp→χ1±χ20, where the chargino decays into the lightest neutralino and a W boson, χ1±→χ10W±, while the neutralino decays into the lightest neutralino and a Standard Mod ... Full text Cite

Search for scalar resonances decaying into μ + μ in events with and without b-tagged jets produced in proton-proton collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2019 A search for a narrow scalar resonance decaying into an opposite-sign muon pair produced in events with and without b-tagged jets is presented in this paper. The search uses 36.1 fb−1 of s=13 TeV proton-proton collision data recorded by the ATLAS experimen ... Full text Cite

Comparison of Fragmentation Functions for Jets Dominated by Light Quarks and Gluons from pp and Pb+Pb Collisions in ATLAS.

Journal Article Physical review letters · July 2019 Charged-particle fragmentation functions for jets azimuthally balanced by a high-transverse-momentum, prompt, isolated photon are measured in 25  pb^{-1} of pp and 0.49  nb^{-1} of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS d ... Full text Cite

Modelling radiation damage to pixel sensors in the ATLAS detector

Journal Article Journal of Instrumentation · June 11, 2019 Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS experiment at the LHC. Given their close proximity to the interaction point, these detectors will be exposed to an unprecedented amount of radiation over their lifetime ... Full text Cite

Search for invisible Higgs boson decays in vector boson fusion at s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2019 We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. The experimental signature is an energetic jet pair with invariant mass of O(1)TeV and O(100)GeV missing transverse momentum. The ... Full text Cite

Observation of electroweak W±Z boson pair production in association with two jets in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2019 An observation of electroweak W±Z production in association with two jets in proton–proton collisions is presented. The data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016 at a centre-of-mass energy of s=13 TeV are used, corr ... Full text Cite

Search for long-lived neutral particles in pp collisions at √s=13TeV that decay into displaced hadronic jets in the ATLAS calorimeter

Journal Article European Physical Journal C · June 1, 2019 This paper describes a search for pairs of neutral, long-lived particles decaying in the ATLAS calorimeter. Long-lived particles occur in many extensions to the Standard Model and may elude searches for new promptly decaying particles. The analysis conside ... Full text Cite

Measurement of W±Z production cross sections and gauge boson polarisation in pp collisions at √s=13TeV with the ATLAS detector

Journal Article European Physical Journal C · June 1, 2019 This paper presents measurements of W±Z production cross sections in pp collisions at a centre-of-mass energy of 13 TeV. The data were collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider, and correspond to an integrated luminosi ... Full text Cite

Combination of Searches for Invisible Higgs Boson Decays with the ATLAS Experiment.

Journal Article Physical review letters · June 2019 Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. This Letter presents a statistical combination of searches for H→invisible decays where H is produced according to the standard model via vector boson fusion, Z(ℓℓ) ... Full text Cite

Searches for third-generation scalar leptoquarks in √s = 13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2019 Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as a function of the leptoquark mass and the b ... Full text Cite

Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb-1 of proton-proton collision data at s =13 TeV

Journal Article Physical Review D · May 28, 2019 A search for heavy charged long-lived particles is performed using a data sample of 36.1 fb-1 of proton-proton collisions at s=13 TeV collected by the ATLAS experiment at the Large Hadron Collider. The search is based on observables related to ionization e ... Full text Cite

Search for top-quark decays t → Hq with 36 fb−1 of pp collision data at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 21, 2019 A search for flavour-changing neutral current decays of a top quark into an up-type quark (q = u, c) and the Standard Model Higgs boson, t → Hq, is presented. The search is based on a dataset of pp collisions at s = 13 TeV recorded in 2015 and 2016 with th ... Full text Cite

Search for heavy particles decaying into a top-quark pair in the fully hadronic final state in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · May 14, 2019 A search for new particles decaying into a pair of top quarks is performed using proton-proton collision data recorded with the ATLAS detector at the Large Hadron Collider at a center-of-mass energy of s=13 TeV corresponding to an integrated luminosity of ... Full text Cite

Erratum to: Measurements of W and Z boson production in pp collisions at s = 5.02 TeV with the ATLAS detector (The European Physical Journal C, (2019), 79, 2, (128), 10.1140/epjc/s10052-019-6622-x)

Journal Article European Physical Journal C · May 1, 2019 It has been found that the theoretical predictions for W and Z boson cross sections, and for the W boson charge asymmetry, which are labelled as NNPDF3.1 [1] have in fact been calculated using the NNPDF3.0 PDF set [2] instead. ... Full text Cite

Performance of top-quark and W -boson tagging with ATLAS in Run 2 of the LHC

Journal Article European Physical Journal C · May 1, 2019 The performance of identification algorithms (“taggers”) for hadronically decaying top quarks and W bosons in pp collisions at s = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider is presented. A set of techniques based on jet shape obs ... Full text Cite

Measurements of inclusive and differential fiducial cross-sections of tt¯ γ production in leptonic final states at √s=13TeV in ATLAS

Journal Article European Physical Journal C · May 1, 2019 Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 36.1 fb-1, collected by the ATLAS detector at the LHC ... Full text Cite

Search for large missing transverse momentum in association with one top-quark in proton-proton collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2019 This paper describes a search for events with one top-quark and large missing transverse momentum in the final state. Data collected during 2015 and 2016 by the ATLAS experiment from 13 TeV proton–proton collisions at the LHC corresponding to an integrated ... Full text Cite

Search for single production of vector-like quarks decaying into Wb in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2019 A search for singly produced vector-like quarks Q, where Q can be either a T quark with charge +2/3 or a Y quark with charge −4/3, is performed in proton–proton collision data at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity o ... Full text Cite

Search for Higgs boson pair production in the WW(*)WW(*) decay channel using ATLAS data recorded at √s = 13 TeV

Journal Article Journal of High Energy Physics · May 1, 2019 A search for a pair of neutral, scalar bosons with each decaying into two W bosons is presented using 36.1 fb−1 of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. This search ... Full text Cite

Constraints on mediator-based dark matter and scalar dark energy models using √s = 13 TeV pp collision data collected by the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2019 Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to 37 fb−1s = 13 TeV pp collision data collected by the ATLAS detector at the LHC during 2015-2016 are summarised in this paper. The results of experimental s ... Full text Cite

Measurement of the tt¯Z and tt¯W cross sections in proton-proton collisions at s=13 TeV with the ATLAS detector

Journal Article Physical Review D · April 29, 2019 A measurement of the associated production of a top-quark pair (tt) with a vector boson (W, Z) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented, using 36.1 fb-1 of integrated luminosity collected by the ATLAS detector at the La ... Full text Cite

Cross-section measurements of the Higgs boson decaying into a pair of τ -leptons in proton-proton collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · April 10, 2019 A measurement of production cross sections of the Higgs boson in proton-proton collisions is presented in the H→ττ decay channel. The analysis is performed using 36.1 fb-1 of data recorded by the ATLAS experiment at the Large Hadron Collider at a center-of ... Full text Cite

Measurement of the top quark mass in the tt¯ → lepton+jets channel from √s=8 TeV ATLAS data and combination with previous results

Journal Article European Physical Journal C · April 1, 2019 The top quark mass is measured using a template method in the tt¯ → lepton + jets channel (lepton is e or μ) using ATLAS data recorded in 2012 at the LHC. The data were taken at a proton–proton centre-of-mass energy of s=8 TeV and correspond to an integrat ... Full text Cite

Measurements of inclusive and differential fiducial cross-sections of tt¯ production with additional heavy-flavour jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2019 This paper presents measurements of tt¯ production in association with additional b-jets in pp collisions at the LHC at a centre-of-mass energy of 13 TeV. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 36.1 fb ... Full text Cite

Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2019 A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb−1 of proton-proton collisions at s = 13 TeV delivered by the Large Hadron Collider. The differential cross-section is measur ... Full text Cite

Measurement of the ratio of cross sections for inclusive isolated-photon production in pp collisions at √s = 13 and 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2019 The ratio of the cross sections for inclusive isolated-photon production in pp collisions at centre-of-mass energies of 13 and 8 TeV is measured using the ATLAS detector at the LHC. The integrated luminosities of the 13 TeV and 8 TeV datasets are 3.2 fb −1 ... Full text Cite

Study of the rare decays of B s0 and B 0 mesons into muon pairs using data collected during 2015 and 2016 with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2019 A study of the decays B s0 → μ + μ − and B 0 → μ + μ − has been performed using 26.3 fb −1 of 13 TeV LHC proton-proton collision data collected with the ATLAS detector in 2015 and 2016. Since the detector resolution in μ + μ − invariant mass is comparable ... Full text Cite

Search for Higgs boson pair production in the bb¯ WW * decay mode at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2019 A search for Higgs boson pair production in the bb¯ WW * decay mode is performed in the bb¯ ℓνqq final state using 36.1 fb −1 of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider ... Full text Cite

Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV.

Journal Article Physical review letters · April 2019 This Letter presents a search for the production of a long-lived neutral particle (Z_{d}) decaying within the ATLAS hadronic calorimeter, in association with a standard model (SM) Z boson produced via an intermediate scalar boson, where Z→ℓ^{+}ℓ^{-} (ℓ=e, ... Full text Cite

Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data

Journal Article Journal of Instrumentation · March 18, 2019 This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb-1 of LHC proton-proton collision data recorded at s=13 TeV in 2015 and 2016. The different calibration steps applied to the data and the optim ... Full text Cite

Measurement of the nuclear modification factor for inclusive jets in Pb+Pb collisions at √sNN=5.02 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 10, 2019 Measurements of the yield and nuclear modification factor, RAA, for inclusive jet production are performed using 0.49 nb−1 of Pb+Pb data at sNN=5.02TeV and 25 pb−1 of Pb+Pb data at s=5.02TeV with the ATLAS detector at the LHC. Jets are reconstructed with t ... Full text Cite

Search for Higgs boson decays into a pair of light bosons in the bbμμ final state in pp collision at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 10, 2019 A search for decays of the Higgs boson into a pair of new spin-zero particles, H→aa, where the a-bosons decay into a b-quark pair and a muon pair, is presented. The search uses 36.1 fb−1 of proton–proton collision data at s=13 TeV recorded by the ATLAS exp ... Full text Cite

Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run 2 data collected in 2015 and 2016

Journal Article European Physical Journal C · March 1, 2019 The efficiency of the photon identification criteria in the ATLAS detector is measured using 36.1fb1 to 36.7fb1 of pp collision data at s=13 TeV collected in 2015 and 2016. The efficiencies are measured separately for converted and unconverted isolated pho ... Full text Cite

Search for long-lived particles produced in pp collisions at s =13 TeV that decay into displaced hadronic jets in the ATLAS muon spectrometer

Journal Article Physical Review D · March 1, 2019 A search for the decay of neutral, weakly interacting, long-lived particles using data collected by the ATLAS detector at the LHC is presented. The analysis in this paper uses 36.1 fb-1 of proton-proton collision data at s=13 TeV recorded in 2015-2016. The ... Full text Cite

Properties of g →b b at small opening angles in pp collisions with the ATLAS detector at √s=13 TeV

Journal Article Physical Review D · March 1, 2019 The fragmentation of high-energy gluons at small opening angles is largely unconstrained by present measurements. Gluon splitting to b-quark pairs is a unique probe into the properties of gluon fragmentation because identified b-tagged jets provide a proxy ... Full text Cite

Search for heavy long-lived multicharged particles in proton-proton collisions at s =13 TeV using the ATLAS detector

Journal Article Physical Review D · March 1, 2019 A search for heavy long-lived multicharged particles is performed using the ATLAS detector at the LHC. Data with an integrated luminosity of 36.1 fb-1 collected in 2015 and 2016 from proton-proton collisions at s=13 TeV are examined. Particles producing an ... Full text Cite

Search for four-top-quark production in the single-lepton and opposite-sign dilepton final states in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · March 1, 2019 A search for four-top-quark production, tttt, is presented. It is based on proton-proton collision data with a center-of-mass energy s=13 TeV collected by the ATLAS detector at the Large Hadron Collider during the years 2015 and 2016, corresponding to an i ... Full text Cite

Measurement of photon–jet transverse momentum correlations in 5.02 TeV Pb + Pb and pp collisions with ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2019 Jets created in association with a photon can be used as a calibrated probe to study energy loss in the medium created in nuclear collisions. Measurements of the transverse momentum balance between isolated photons and inclusive jets are presented using in ... Full text Cite

Correlated long-range mixed-harmonic fluctuations measured in pp, p+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2019 Correlations of two flow harmonics vn and vm via three- and four-particle cumulants are measured in 13 TeV pp, 5.02 TeV p+Pb, and 2.76 TeV peripheral Pb+Pb collisions with the ATLAS detector at the LHC. The goal is to understand the multi-particle nature o ... Full text Cite

Measurements of gluon–gluon fusion and vector-boson fusion Higgs boson production cross-sections in the H → WW → eνμν decay channel in pp collisions at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2019 Higgs boson production cross-sections in proton–proton collisions are measured in the H→WW⁎→eνμν decay channel. The proton–proton collision data were produced at the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detec ... Full text Cite

ATLAS Collaboration

Conference Nuclear Physics A · February 1, 2019 Full text Cite

A strategy for a general search for new phenomena using data-derived signal regions and its application within the ATLAS experiment

Journal Article European Physical Journal C · February 1, 2019 This paper describes a strategy for a general search used by the ATLAS Collaboration to find potential indications of new physics. Events are classified according to their final state into many event classes. For each event class an automated search algori ... Full text Cite

In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector

Journal Article European Physical Journal C · February 1, 2019 The response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb- 1 of s=13 TeV proton–proton collisions provided by the LHC and recorded by the ATLAS experiment during 2015 and 2016. The jet energy scale is measured in events wher ... Full text Cite

Measurements of W and Z boson production in pp collisions at √s=5.02 TeV with the ATLAS detector

Journal Article European Physical Journal C · February 1, 2019 Measurements of fiducial integrated and differential cross sections for inclusive W+, W- and Z boson production are reported. They are based on 25.0±0.5pb-1 of pp collision data at s=5.02 TeV collected with the ATLAS detector at the CERN Large Hadron Colli ... Full text Cite

Search for light resonances decaying to boosted quark pairs and produced in association with a photon or a jet in proton–proton collisions at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 10, 2019 This Letter presents a search for new light resonances decaying to pairs of quarks and produced in association with a high-pT photon or jet. The dataset consists of proton–proton collisions with an integrated luminosity of 36.1 fb−1 at a centre-of-mass ene ... Full text Cite

Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2019 A search for new charged massive gauge bosons, W′, is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of s=13 TeV and correspond to an integrated luminosity of 36.1 fb−1. This analysi ... Full text Cite

Search for heavy charged long-lived particles in proton–proton collisions at √s=13TeV using an ionisation measurement with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2019 This Letter presents a search for heavy charged long-lived particles produced in proton–proton collisions at s=13TeV at the LHC using a data sample corresponding to an integrated luminosity of 36.1fb−1 collected by the ATLAS experiment in 2015 and 2016. Th ... Full text Cite

Search for long-lived particles in final states with displaced dimuon vertices in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · January 1, 2019 A search is performed for a long-lived particle decaying into a final state that includes a pair of muons of opposite-sign electric charge, using proton-proton collision data collected at s=13 TeV by the ATLAS detector at the Large Hadron Collider correspo ... Full text Cite

Erratum to: Measurement of the W boson polarisation in t t ¯ events from pp collisions at s = 8 TeV in the lepton + jets channel with ATLAS.

Journal Article The European physical journal. C, Particles and fields · January 2019 [This corrects the article DOI: 10.1140/epjc/s10052-017-4819-4.]. ... Full text Cite

Search for pair production of Higgs bosons in the bb¯ bb¯ final state using proton-proton collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2019 A search for Higgs boson pair production in the bb¯ bb¯ final state is carried out with up to 36.1 fb−1 of LHC proton-proton collision data collected at s=13 TeV with the ATLAS detector in 2015 and 2016. Three benchmark signals are studied: a spin-2 gravit ... Full text Cite

Search for heavy Majorana or Dirac neutrinos and right-handed W gauge bosons in final states with two charged leptons and two jets at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2019 A search for heavy right-handed Majorana or Dirac neutrinos NR and heavy right-handed gauge bosons WR is performed in events with a pair of energetic electrons or muons, with the same or opposite electric charge, and two energetic jets. The events are sele ... Full text Cite

Search for doubly charged scalar bosons decaying into same-sign W boson pairs with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2019 A search for doubly charged scalar bosons decaying into W boson pairs is presented. It uses a data sample from proton-proton collisions corresponding to an integrated luminosity of 36.1 fb - 1 collected by the ATLAS detector at the LHC at a centr ... Full text Cite

Search for pairs of highly collimated photon-jets in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · January 1, 2019 Results of a search for the pair production of photon-jets - collimated groupings of photons - in the ATLAS detector at the Large Hadron Collider are reported. Highly collimated photon-jets can arise from the decay of new, highly boosted particles that can ... Full text Cite

Search for squarks and gluinos in final states with hadronically decaying τ -leptons, jets, and missing transverse momentum using pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · January 1, 2019 A search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying τ-lepton is presented. Two exclusive final states with either exactly one or at least two τ-leptons are considered. The analysis is ba ... Full text Cite

Study of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2019 The inclusive production of four isolated charged leptons in pp collisions is analysed for the presence of hard double-parton scattering, using 20.2 fb−1 of data recorded in the ATLAS detector at the LHC at centre-of-mass energy s=8 TeV. In the four-lepton ... Full text Cite

Search for resonant WZ production in the fully leptonic final state in proton–proton collisions at s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 10, 2018 A search for a heavy resonance decaying into WZ in the fully leptonic channel (electrons and muons) is performed. It is based on proton–proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of 13 Te ... Full text Cite

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at E beam =4 TeV

Journal Article Journal of Instrumentation · December 4, 2018 Results of dedicated Monte Carlo simulations of beam-induced background (BIB) in the ATLAS experiment at the Large Hadron Collider (LHC) are presented and compared with data recorded in 2012. During normal physics operation this background arises mainly fr ... Full text Cite

Search for new phenomena in events with same-charge leptons and b-jets in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2018 A search for new phenomena in events with two same-charge leptons or three leptons and jets identified as originating from b-quarks in a data sample of 36.1 fb−1 of pp collisions at s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider is re ... Full text Cite

Search for pair and single production of vectorlike quarks in final states with at least one Z boson decaying into a pair of electrons or muons in pp collision data collected with the ATLAS detector at s =13 TeV

Journal Article Physical Review D · December 1, 2018 A search for vectorlike quarks is presented, which targets their decay into a Z boson and a third-generation Standard Model quark. In the case of a vectorlike quark T (B) with charge +2/3e (-1/3e), the decay searched for is T→Zt (B→Zb). Data for this analy ... Full text Cite

Measurement of the Zγ→ νν¯ γ production cross section in pp collisions at √s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings

Journal Article Journal of High Energy Physics · December 1, 2018 The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s=13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb−1 collected ... Full text Cite

Combined measurement of differential and total cross sections in the H → γγ and the H → ZZ → 4ℓ decay channels at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2018 A combined measurement of differential and inclusive total cross sections of Higgs boson production is performed using 36.1 fb−1 of 13 TeV proton–proton collision data produced by the LHC and recorded by the ATLAS detector in 2015 and 2016. Cross sections ... Full text Cite

Observation of H→bb¯ decays and VH production with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2018 A search for the decay of the Standard Model Higgs boson into a bb¯ pair when produced in association with a W or Z boson is performed with the ATLAS detector. The data, corresponding to an integrated luminosity of 79.8fb−1 were collected in proton–proton ... Full text Cite

Searches for exclusive Higgs and Z boson decays into J/ψ γ, ψ(2S) γ, and ϒ(nS) γ at s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2018 Searches for the exclusive decays of the Higgs and Z bosons into a J/ψ, ψ(2S), or ϒ(nS) (n=1,2,3) meson and a photon are performed with a pp collision data sample corresponding to an integrated luminosity of 36.1fb−1 collected at s=13TeV with the ATLAS det ... Full text Cite

Constraints on off-shell Higgs boson production and the Higgs boson total width in ZZ → 4ℓ and ZZ → 2ℓ2ν final states with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2018 A measurement of off-shell Higgs boson production in the ZZ→4ℓ and ZZ→2ℓ2ν decay channels, where ℓ stands for either an electron or a muon, is performed using data from proton–proton collisions at a centre-of-mass energy of s=13 TeV. The data were collecte ... Full text Cite

Search for pair production of heavy vectorlike quarks decaying into hadronic final states in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · November 1, 2018 A search is presented for the pair production of heavy vectorlike quarks, TT or BB, that decay into final states with jets and no reconstructed leptons. Jets in the final state are classified using a deep neural network as arising from hadronically decayin ... Full text Cite

Search for pair production of Higgsinos in final states with at least three b -tagged jets in s =13 TeV pp collisions using the ATLAS detector

Journal Article Physical Review D · November 1, 2018 A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos H) in gauge-mediated scenarios is reported. Each higgsino is assumed to decay to a Higgs boson and a gravitino. Two complementary analyses, targeting high- and low-ma ... Full text Cite

Search for Resonant and Nonresonant Higgs Boson Pair Production in the bb[over ¯]τ^{+}τ^{-} Decay Channel in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · November 2018 A search for resonant and nonresonant pair production of Higgs bosons in the bb[over ¯]τ^{+}τ^{-} final state is presented. The search uses 36.1  fb^{-1} of pp collision data with sqrt[s]=13  TeV recorded by the ATLAS experiment at the LHC in 2015 and 2016 ... Full text Cite

Measurement of dijet azimuthal decorrelations in pp collisions at s =8 TeV with the ATLAS detector and determination of the strong coupling

Journal Article Physical Review D · November 1, 2018 A measurement of the rapidity and transverse momentum dependence of dijet azimuthal decorrelations is presented, using the quantity RΔφ. The quantity RΔφ specifies the fraction of the inclusive dijet events in which the azimuthal opening angle of the two j ... Full text Cite

Erratum to: Measurement of the W-boson mass in pp collisions at √s=7 TeV with the ATLAS detector (The European Physical Journal C, (2018), 78, 2, (110), 10.1140/epjc/s10052-017-5475-4)

Journal Article European Physical Journal C · November 1, 2018 It has been found that Figure 30 shows the 68% and 99% confidence-level contours for the W boson and top quark mass measurements, instead of the 68% and 95% confidence-level contours, as stated in the legend. ... Full text Cite

Erratum to: Search for heavy resonances decaying into a W or Z boson and a Higgs boson in final states with leptons and b-jets in 36 fb−1 of √s = 13 TeV pp collisions with the ATLAS detector (Journal of High Energy Physics, (2018), 2018, 3, (174), 10.1007/JHEP03(2018)174)

Journal Article Journal of High Energy Physics · November 1, 2018 One correction is noted for the paper. The exclusion limits for the gluon-gluon fusion production of an A boson reported in the conclusions did not correspond to the exclusion plots shown in figure 6a. ... Full text Cite

Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2018 A search for charged Higgs bosons heavier than the top quark and decaying via H± → tb is presented. The data analysed corresponds to 36.1 fb−1 of pp collisions at s=13 TeV and was recorded with the ATLAS detector at the LHC in 2015 and 2016. The production ... Full text Cite

Search for Higgs boson pair production in the γ γ bb¯ final state with 13 TeV pp collision data collected by the ATLAS experiment

Journal Article Journal of High Energy Physics · November 1, 2018 A search is performed for resonant and non-resonant Higgs boson pair production in the γ γ bb¯ final state. The data set used corresponds to an integrated luminosity of 36.1 fb−1 of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by ... Full text Cite

Search for lepton-flavor violation in different-flavor, high-mass final states in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · November 1, 2018 A search is performed for a heavy particle decaying into different-flavor, dilepton pairs (eμ, eτ or μτ), using 36.1 fb-1 of proton-proton collision data at s=13 TeV collected in 2015-2016 by the ATLAS detector at the Large Hadron Collider. No excesses ove ... Full text Cite

Search for lepton-flavor-violating decays of the Z boson into a τ lepton and a light lepton with the ATLAS detector

Journal Article Physical Review D · November 1, 2018 Direct searches for lepton flavor violation in decays of the Z boson with the ATLAS detector at the LHC are presented. Decays of the Z boson into an electron or muon and a hadronically decaying τ lepton are considered. The searches are based on a data samp ... Full text Cite

Observation of Centrality-Dependent Acoplanarity for Muon Pairs Produced via Two-Photon Scattering in Pb+Pb Collisions at sqrt[s_{NN}]=5.02  TeV with the ATLAS Detector.

Journal Article Physical review letters · November 2018 This Letter presents a measurement of γγ→μ^{+}μ^{-} production in Pb+Pb collisions recorded by the ATLAS detector at the Large Hadron Collider at sqrt[s_{NN}]=5.02  TeV with an integrated luminosity of 0.49  nb^{-1}. The azimuthal angle and transverse mome ... Full text Cite

Combination of the Searches for Pair-Produced Vectorlike Partners of the Third-Generation Quarks at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · November 2018 A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T→Zt/Wb/Ht, B→Zb/Wt/Hb) is performed using 36.1  fb^{-1} of pp collision data at sqrt[s]=13  TeV with the ATLAS detector at the Larg ... Full text Cite

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · November 1, 2018 A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction, a technique that assigns reconstructed objects to the most probable hemispheres of the decay tre ... Full text Cite

Measurement of the suppression and azimuthal anisotropy of muons from heavy-flavor decays in Pb+Pb collisions at sNN =2.76 TeV with the ATLAS detector

Journal Article Physical Review C · October 22, 2018 ATLAS measurements of the production of muons from heavy-flavor decays in sNN=2.76 TeV Pb+Pb collisions and s=2.76 TeV pp collisions at the LHC are presented. Integrated luminosities of 0.14 nb-1 and 570 nb-1 are used for the Pb+Pb and pp measurements, res ... Full text Cite

Search for R-parity-violating supersymmetric particles in multi-jet final states produced in p–p collisions at s=13 TeV using the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 10, 2018 Results of a search for gluino pair production with subsequent R-parity-violating decays to quarks are presented. This search uses 36.1 fb−1 of data collected by the ATLAS detector in proton–proton collisions with a centre-of-mass energy of s=13 TeV at the ... Full text Cite

Measurement of jet fragmentation in 5.02 TeV proton–lead and proton–proton collisions with the ATLAS detector

Journal Article Nuclear Physics A · October 1, 2018 A measurement of the fragmentation functions of jets into charged particles in p+Pb collisions and pp collisions is presented. The analysis utilizes 28 nb−1 of p+Pb data and 26 pb−1 of pp data, both at sNN= 5.02 TeV, collected in 2013 and 2015, respectivel ... Full text Cite

Search for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the H → aa → 4b channel in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2018 A search for exotic decays of the Higgs boson into a pair of spin-zero particles, H → aa, where the a-boson decay sin to b-quarks promptly or with a mean proper lifetime cτa up to 6 mm and has a mass in the range of 20–60 GeV, is presented. The search is p ... Full text Cite

Angular analysis of Bd0 → K μ + μ decays in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2018 An angular analysis of the decay Bd0 → K∗μ+μ− is presented, based on proton-proton collision data recorded by the ATLAS experiment at the LHC. The study is using 20.3 fb−1 of integrated luminosity collected during 2012 at centre-of-mass energy of s=8 TeV. ... Full text Cite

Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · October 2018 This Letter presents a normalized differential cross-section measurement in a fiducial phase-space region where interference effects between top-quark pair production and associated production of a single top quark with a W boson and a b-quark are signific ... Full text Cite

Measurements of differential cross sections of top quark pair production in association with jets in pp collisions at √s=13 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2018 Measurements of differential cross sections of top quark pair production in association with jets by the ATLAS experiment at the LHC are presented. The measurements are performed as functions of the top quark transverse momentum, the transverse momentum of ... Full text Cite

Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2018 A search for dark matter (DM) particles produced in association with a hadronically decaying vector boson is performed using pp collision data at a centre-of-mass energy of s=13 TeV corresponding to an integrated luminosity of 36.1 fb−1, recorded by the AT ... Full text Cite

Combination of searches for heavy resonances decaying into bosonic and leptonic final states using 36 fb-1 of proton-proton collision data at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · September 26, 2018 Searches for new heavy resonances decaying into different pairings of W, Z, or Higgs bosons, as well as directly into leptons, are presented using a data sample corresponding to 36.1 fb-1 of pp collisions at s=13 TeV collected during 2015 and 2016 with the ... Full text Cite

Measurements of Higgs boson properties in the diphoton decay channel with 36 fb -1 of pp collision data at √s = 13 TeV with the ATLAS detector

Journal Article Physical Review D · September 18, 2018 Properties of the Higgs boson are measured in the two-photon final state using 36.1 fb-1 of proton? proton collision data recorded at ffiffi √s = 13 TeV by the ATLAS experiment at the Large Hadron Collider. Cross-section measurements for the production of ... Full text Cite

Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 10, 2018 The observation of Higgs boson production in association with a top quark pair (tt¯H), based on the analysis of proton–proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider, is presented. U ... Full text Cite

Measurement of the Higgs boson mass in the H → ZZ → 4ℓ and H → γγ channels with s=13 TeV pp collisions using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 10, 2018 The mass of the Higgs boson is measured in the H→ZZ⁎→4ℓ and in the H→γγ decay channels with 36.1 fb−1 of proton–proton collision data from the Large Hadron Collider at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector in 2015 and 2016. The m ... Full text Cite

Search for Higgs bosons produced via vector-boson fusion and decaying into bottom quark pairs in s =13 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · September 10, 2018 A search for the bb decay of the Standard Model Higgs boson produced through vector-boson fusion is presented. Three mutually exclusive channels are considered: two all-hadronic channels and a photon-associated channel. Results are reported from the analys ... Full text Cite

Search for supersymmetry in final states with charm jets and missing transverse momentum in 13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2018 A search for supersymmetric partners of top quarks decaying as t˜1→cχ˜10 and supersymmetric partners of charm quarks decaying as c˜1→cχ˜10, where χ˜10 is the lightest neutralino, is presented. The search uses 36.1 fb−1pp collision data at a centre-of-mass ... Full text Cite

Search for charged Higgs bosons decaying via H ± → τ ± ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at √s=13 TeV with the ATLAS experiment

Journal Article Journal of High Energy Physics · September 1, 2018 Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via H± → τ±ντ, are searched for in 36.1 fb−1 of proton-proton collision data at s=13 TeV recorded with the ATLAS detector. Depending on wheth ... Full text Cite

Measurement of jet fragmentation in Pb+Pb and pp collisions at sNN =5.02 TeV with the ATLAS detector

Journal Article Physical Review C · August 16, 2018 This paper presents a measurement of jet fragmentation functions in 0.49 nb-1 of Pb+Pb collisions and 25 pb-1 of pp collisions at sNN=5.02 TeV collected in 2015 with the ATLAS detector at the LHC. These measurements provide insight into the jet quenching p ... Full text Cite

Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb final state in pp collisions at √s= 13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 10, 2018 A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton–proton collisions at s=13 TeV recorded in 2015 and 20 ... Full text Cite

Search for pair production of heavy vector-like quarks decaying into high-p T W bosons and top quarks in the lepton-plus-jets final state in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2018 A search is presented for the pair production of heavy vector-like B quarks, primarily targeting B quark decays into a W boson and a top quark. The search is based on 36.1 fb−1 of pp collisions at s=13 TeV recorded in 2015 and 2016 with the ATLAS detector ... Full text Cite

Search for flavor-changing neutral currents in top quark decays t →Hc and t →Hu in multilepton final states in proton-proton collisions at √s = 13 TeV with the ATLAS detector

Journal Article Physical Review D · August 1, 2018 Flavor-changing neutral currents are not present in the Standard Model at tree level and are suppressed in loop processes by the unitarity of the Cabibbo-Kobayashi-Maskawa matrix; the corresponding rates for top quark decay processes are experimentally uno ... Full text Cite

Measurements of b-jet tagging efficiency with the ATLAS detector using tt¯ events at √s=13 TeV

Journal Article Journal of High Energy Physics · August 1, 2018 The efficiency to identify jets containing b-hadrons (b-jets) is measured using a high purity sample of dileptonic top quark-antiquark pairs (tt¯) selected from the 36.1 fb−1 of data collected by the ATLAS detector in 2015 and 2016 from proton-proton colli ... Full text Cite

Search for supersymmetry in events with four or more leptons in √s =13 TeV pp collisions with ATLAS

Journal Article Physical Review D · August 1, 2018 Results from a search for supersymmetry in events with four or more charged leptons (electrons, muons and taus) are presented. The analysis uses a data sample corresponding to 36.1 fb-1 of proton-proton collisions delivered by the Large Hadron Collider at ... Full text Cite

Search for Low-Mass Dijet Resonances Using Trigger-Level Jets with the ATLAS Detector in pp Collisions at sqrt[s]=13  TeV.

Journal Article Physical review letters · August 2018 Searches for dijet resonances with sub-TeV masses using the ATLAS detector at the Large Hadron Collider can be statistically limited by the bandwidth available to inclusive single-jet triggers, whose data-collection rates at low transverse momentum are muc ... Full text Cite

Measurement of the Soft-Drop Jet Mass in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · August 2018 Jet substructure observables have significantly extended the search program for physics beyond the standard model at the Large Hadron Collider. The state-of-the-art tools have been motivated by theoretical calculations, but there has never been a direct co ... Full text Cite

Search for resonances in the mass distribution of jet pairs with one or two jets identified as b -jets in proton-proton collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · August 1, 2018 A search for new resonances decaying into jets containing b-hadrons in pp collisions with the ATLAS detector at the LHC is presented in the dijet mass range from 0.57 to 7 TeV. The data set corresponds to an integrated luminosity of up to 36.1 fb-1 collect ... Full text Cite

Search for heavy resonances decaying to a photon and a hadronically decaying Z /W /H boson in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · August 1, 2018 Many extensions of the Standard Model predict new resonances decaying to a Z, W, or Higgs boson and a photon. This paper presents a search for such resonances produced in pp collisions at s=13 TeV using a data set with an integrated luminosity of 36.1 fb-1 ... Full text Cite

Search for top squarks decaying to tau sleptons in pp collisions at s =13 Te v with the ATLAS detector

Journal Article Physical Review D · August 1, 2018 A search for direct pair production of top squarks in final states with two tau leptons, b-jets, and missing transverse momentum is presented. The analysis is based on proton-proton collision data at s=13 TeV corresponding to an integrated luminosity of 36 ... Full text Cite

Search for Higgs boson decays into pairs of light (pseudo)scalar particles in the γγ jj final state in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · July 10, 2018 This Letter presents a search for exotic decays of the Higgs boson to a pair of new (pseudo)scalar particles, H→aa, where the a particle has a mass in the range 20–60 GeV, and where one of the a bosons decays into a pair of photons and the other to a pair ... Full text Cite

Search for pair production of up-type vector-like quarks and for four-top-quark events in final states with multiple b-jets with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2018 A search for pair production of up-type vector-like quarks (T) with a significant branching ratio into a top quark and either a Standard Model Higgs boson or a Z boson is presented. The same analysis is also used to search for four-top-quark production in ... Full text Cite

Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2018 A search for the exclusive decays of the Higgs and Z bosons to a ϕ or ρ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of up to 35.6 fb−1 collected at s=13 TeV with the ATLAS detector at the CERN L ... Full text Cite

Search for flavour-changing neutral current top-quark decays t → qZ in proton-proton collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2018 A search for flavour-changing neutral-current processes in top-quark decays is presented. Data collected with the ATLAS detector from proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of s=13 TeV, corresponding to an integrat ... Full text Cite

Measurement of the production cross section of three isolated photons in pp collisions at √s=8 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2018 A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy s=8 TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS detector at the LHC. The different ... Full text Cite

Search for W′  →  tb decays in the hadronic final state using pp collisions at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2018 A search for W′-boson production in the W′→tb¯→qq¯′bb¯ decay channel is presented using 36.1fb−1 of 13 TeV proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The search is interpreted in terms of bot ... Full text Cite

Search for squarks and gluinos in final states with jets and missing transverse momentum using 36 fb-1 of √s =13 TeV pp collision data with the ATLAS detector

Journal Article Physical Review D · June 6, 2018 A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing hadronic jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded in 2015 and 20 ... Full text Cite

Search for long-lived charginos based on a disappearing-track signature in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2018 This paper presents a search for direct electroweak gaugino or gluino pair production with a chargino nearly mass-degenerate with a stable neutralino. It is based on an integrated luminosity of 36.1 fb−1 of pp collisions at s=13 TeV collected by the ATLAS ... Full text Cite

Search for top-squark pair production in final states with one lepton, jets, and missing transverse momentum using 36 fb−1 of √s=13 TeV pp collision data with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2018 The results of a search for the direct pair production of top squarks, the supersymmetric partner of the top quark, in final states with one isolated electron or muon, several energetic jets, and missing transverse momentum are reported. The analysis also ... Full text Cite

Search for supersymmetry in final states with missing transverse momentum and multiple b-jets in proton-proton collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2018 A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks into the lightest neutralino (χ˜10) is reported. It uses LHC proton-proton collision data at a centre-of-mass energy s=13 TeV with an integrated lumin ... Full text Cite

Search for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at √s=13 TeV

Journal Article Journal of High Energy Physics · June 1, 2018 A search is conducted for a beyond-the-Standard-Model boson using events where a Higgs boson with mass 125 GeV decays to four leptons (ℓ = e or μ). This decay is presumed to occur via an intermediate state which contains one or two on-shell, promptly decay ... Full text Cite

Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 10, 2018 The production of a top quark in association with a Z boson is investigated. The proton–proton collision data collected by the ATLAS experiment at the LHC in 2015 and 2016 at a centre-of-mass energy of s=13TeV are used, corresponding to an integrated lumin ... Full text Cite

Measurement of the cross section for isolated-photon plus jet production in ppcollisions at √s=13TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 10, 2018 The dynamics of isolated-photon production in association with a jet in proton–proton collisions at a centre-of-mass energy of 13 TeV are studied with the ATLAS detector at the LHC using a dataset with an integrated luminosity of 3.2 fb−1. Photons are requ ... Full text Cite

Measurement of differential cross sections and W + /W cross-section ratios for W boson production in association with jets at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2018 This paper presents a measurement of the W boson production cross section and the W+/W− cross-section ratio, both in association with jets, in proton-proton collisions at s=8 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is pe ... Full text Cite

Search for a Structure in the B_{s}^{0}π^{±} Invariant Mass Spectrum with the ATLAS Experiment.

Journal Article Physical review letters · May 2018 A search for the narrow structure, X(5568), reported by the D0 Collaboration in the decay sequence X→B_{s}^{0}π^{±}, B_{s}^{0}→J/ψϕ, is presented. The analysis is based on a data sample recorded with the ATLAS detector at the LHC corresponding to 4.9  fb^{ ... Full text Cite

Search for the Decay of the Higgs Boson to Charm Quarks with the ATLAS Experiment.

Journal Article Physical review letters · May 2018 A direct search for the standard model Higgs boson decaying to a pair of charm quarks is presented. Associated production of the Higgs and Z bosons, in the decay mode ZH→ℓ^{+}ℓ^{-}cc[over ¯] is studied. A data set with an integrated luminosity of 36.1  fb^ ... Full text Cite

Measurement of inclusive jet and dijet cross-sections in proton-proton collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2018 Inclusive jet and dijet cross-sections are measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The measurement uses a dataset with an integrated luminosity of 3.2 fb−1 recorded in 2015 with the ATLAS detector at the Large Hadron Coll ... Full text Cite

A search for resonances decaying into a Higgs boson and a new particle X in the XH → qqbb final state with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 10, 2018 A search for heavy resonances decaying into a Higgs boson (H) and a new particle (X) is reported, utilizing 36.1 fb−1 of proton–proton collision data at s=13TeV collected during 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. The p ... Full text Cite

Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector

Journal Article Physical Review D · April 1, 2018 A search for the associated production of the Higgs boson with a top quark pair (ttH) is reported. The search is performed in multilepton final states using a data set corresponding to an integrated luminosity of 36.1 fb-1 of proton-proton collision data r ... Full text Cite

Search for High-Mass Resonances Decaying to τν in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · April 2018 A search for high-mass resonances decaying to τν using proton-proton collisions at sqrt[s]=13  TeV produced by the Large Hadron Collider is presented. Only τ-lepton decays with hadrons in the final state are considered. The data were recorded with the ATLA ... Full text Cite

Search for the standard model Higgs boson produced in association with top quarks and decaying into a bb¯ pair in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Physical Review D · April 1, 2018 A search for the standard model Higgs boson produced in association with a top-quark pair, ttH, is presented. The analysis uses 36.1 fb-1 of pp collision data at s=13 TeV collected with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The ... Full text Cite

Search for W W/W Z resonance production in ℓνqq final states in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2018 A search is conducted for new resonances decaying into a W W or W Z boson pair, where one W boson decays leptonically and the other W or Z boson decays hadronically. It is based on proton-proton collision data with an integrated luminosity of 36.1 fb−1 col ... Full text Cite

Searches for heavy ZZ and ZW resonances in the ℓℓqq and ννqq final states in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2018 This paper reports searches for heavy resonances decaying into ZZ or ZW using data from proton-proton collisions at a centre-of-mass energy of s=13 TeV. The data, corresponding to an integrated luminosity of 36.1 fb−1, were recorded with the ATLAS detector ... Full text Cite

Measurement of the Higgs boson coupling properties in the H → ZZ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2018 The coupling properties of the Higgs boson are studied in the four-lepton (e, μ) decay channel using 36.1 fb−1 of pp collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the main ... Full text Cite

Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in √s = 13 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · March 1, 2018 A search for long-lived, massive particles predicted by many theories beyond the Standard Model is presented. The search targets final states with large missing transverse momentum and at least one high-mass displaced vertex with five or more tracks, and u ... Full text Cite

Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at √s =13 TeV with the ATLAS detector

Journal Article Physical Review D · March 1, 2018 A search for electroweak production of supersymmetric particles in scenarios with compressed mass spectra in final states with two low-momentum leptons and missing transverse momentum is presented. This search uses proton-proton collision data recorded by ... Full text Cite

Search for heavy resonances decaying into a W or Z boson and a Higgs boson in final states with leptons and b-jets in 36 fb−1 of √s=13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2018 A search is conducted for new resonances decaying into a W or Z boson and a 125 GeV Higgs boson in the νν¯ bb¯ , ℓ±νbb¯ , and ℓ+ℓ−bb¯ final states, where ℓ± = e± or μ±, in pp collisions at s=13 TeV. The data used correspond to a total integrated luminosity ... Full text Cite

Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p +Pb collisions with the ATLAS detector at the CERN Large Hadron Collider

Journal Article Physical Review C · February 12, 2018 A detailed study of multiparticle azimuthal correlations is presented using pp data at s=5.02 and 13 TeV, and p+Pb data at sNN=5.02 TeV, recorded with the ATLAS detector at the CERN Large Hadron Collider. The azimuthal correlations are probed using four-pa ... Full text Cite

Search for diboson resonances with boson-tagged jets in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2018 Narrow resonances decaying into WW, WZ or ZZ boson pairs are searched for in 36.7 fb−1 of proton–proton collision data at a centre-of-mass energy of s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The diboson system ... Full text Cite

Measurement of the exclusive γγ → μ+μ process in proton–proton collisions at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2018 The production of exclusive γγ→μ+μ− events in proton–proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb−1. The measurement is performed for a ... Full text Cite

Search for B - L R-parity-violating top squarks in √s=13 TeV pp collisions with the ATLAS experiment

Journal Article Physical Review D · February 1, 2018 A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet ... Full text Cite

Measurement of differential cross sections of isolated-photon plus heavy-flavour jet production in pp collisions at s=8 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 10, 2018 This Letter presents the measurement of differential cross sections of isolated prompt photons produced in association with a b-jet or a c-jet. These final states provide sensitivity to the heavy-flavour content of the proton and aspects related to the mod ... Full text Cite

Search for an invisibly decaying Higgs boson or dark matter candidates produced in association with a Z boson in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 10, 2018 A search for an invisibly decaying Higgs boson or dark matter candidates produced in association with a leptonically decaying Z boson in proton–proton collisions at s=13 TeV is presented. This search uses 36.1 fb−1 of data collected by the ATLAS experiment ... Full text Cite

Search for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36 fb−1 of pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2018 A search for heavy neutral Higgs bosons and Z′ bosons is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton-proton collisions at s=13 TeV recorded by the ATLAS detector at the LHC during 2015 and 2016. The heav ... Full text Cite

Search for dark matter produced in association with bottom or top quarks in s = 13  TeV pp collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for weakly interacting massive dark-matter particles produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and missing transverse momentum are considered. The analysis uses 36.1 fb - 1 ... Full text Cite

Search for heavy resonances decaying into WW in the e ν μ ν final state in pp collisions at s = 13 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for neutral heavy resonances is performed in the W W → e ν μ ν decay channel using pp collision data corresponding to an integrated luminosity of 36.1 fb - 1 , collected at a centre-of-mass energy of 13 TeV by the ATLAS detector at t ... Full text Cite

Measurement of the cross-section for producing a W boson in association with a single top quark in pp collisions at √s=13 TeV with ATLAS

Journal Article Journal of High Energy Physics · January 1, 2018 The inclusive cross-section for the associated production of a W boson and top quark is measured using data from proton-proton collisions at s=13 TeV. The dataset corresponds to an integrated luminosity of 3.2 fb−1, and was collected in 2015 by the ATLAS d ... Full text Cite

Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2018 Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated luminosity of 36.1 fb−1 at a centre-of-mass energy o ... Full text Cite

Search for new phenomena in high-mass final states with a photon and a jet from pp collisions at s = 13 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search is performed for new phenomena in events having a photon with high transverse momentum and a jet collected in 36.7 fb - 1 of proton-proton collisions at a centre-of-mass energy of s = 13 TeV recorded with the ATLAS detector at the Large Hadro ... Full text Cite

Measurement of the W-boson mass in pp collisions at s = 7 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A measurement of the mass of the W boson is presented based on proton-proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC, and corresponding to 4.6 fb - 1 of integrated luminosity. The se ... Full text Cite

Direct top-quark decay width measurement in the t t ¯ lepton+jets channel at s = 8 TeV with the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2018 This paper presents a direct measurement of the decay width of the top quark using t t ¯ events in the lepton+jets final state. The data sample was collected by the ATLAS detector at the LHC in proton-proton collisions at a centre-of-mass energy of 8 Te ... Full text Cite

Z Z → + - ′ + ′ - s-section measurements and search for anomalous triple gauge couplings in 13 TeV p p collisions with the ATLAS detector

Journal Article Physical Review D · January 1, 2018 Measurements of ZZ production in the +-′+′- channel in proton-proton collisions at 13 TeV center-of-mass energy at the Large Hadron Collider are presented. The data correspond to 36.1 fb-1 of collisions collected by the ATLAS experiment in 2015 and 2016. H ... Full text Cite

Search for the direct production of charginos and neutralinos in final states with tau leptons in s = 13 TeV pp collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 36.1 fb - 1 ... Full text Cite

Measurement of longitudinal flow decorrelations in Pb+Pb collisions at s NN = 2.76 and 5.02 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 Measurements of longitudinal flow correlations are presented for charged particles in the pseudorapidity range | η | < 2.4 using 7 and 470 μ b - 1 of Pb+Pb collisions at s NN = 2.76 and 5.02 TeV, respectively, recorded by the ATLAS detector at the ... Full text Cite

Measurement of quarkonium production in proton-lead and proton-proton collisions at 5.02 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 The modification of the production of J / ψ , ψ ( 2 S ) , and Υ ( n S ) ( n = 1 , 2 , 3 ) in p+Pb collisions with respect to their production in pp collisions has been studied. The p+Pb and pp datasets used in this paper cor ... Full text Cite

Measurement of τ polarisation in Z / γ ∗ → τ τ decays in proton-proton collisions at s = 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 This paper presents a measurement of the polarisation of τ leptons produced in Z / γ ∗ → τ τ decays which is performed with a dataset of proton-proton collisions at s = 8 TeV, corresponding to an integrated luminosity of 20.2 fb - 1 recorded with t ... Full text Cite

Measurement of differential cross-sections of a single top quark produced in association with a W boson at s = 13 TeV with ATLAS.

Journal Article The European physical journal. C, Particles and fields · January 2018 The differential cross-section for the production of a W boson in association with a top quark is measured for several particle-level observables. The measurements are performed using 36.1 fb - 1 of pp collision data collected with the A ... Full text Cite

Search for doubly charged Higgs boson production in multi-lepton final states with the ATLAS detector using proton-proton collisions at s = 13 TeV.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for doubly charged Higgs bosons with pairs of prompt, isolated, highly energetic leptons with the same electric charge is presented. The search uses a proton-proton collision data sample at a centre-of-mass energy of 13 TeV corresponding to 36.1 f ... Full text Cite

A search for pair-produced resonances in four-jet final states at s = 13 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb - 1 of s = 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant dev ... Full text Cite

Search for heavy ZZ resonances in the ℓ + ℓ - ℓ + ℓ - and ℓ + ℓ - ν ν ¯ final states using proton-proton collisions at s = 13   TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for heavy resonances decaying into a pair of Z bosons leading to ℓ + ℓ - ℓ + ℓ - and ℓ + ℓ - ν ν ¯ final states, where ℓ stands for either an electron or a muon, is presented. The search uses proton-proton collision data at a centre-of-mass ... Full text Cite

Combination of inclusive and differential tt¯ charge asymmetry measurements using ATLAS and CMS data at √s = 7 and 8 TeV

Journal Article Journal of High Energy Physics · January 1, 2018 This paper presents combinations of inclusive and differential measurements of the charge asymmetry (AC) in top quark pair (tt) events with a lepton+jets signature by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at centreo ... Full text Cite

Search for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb - 1 of pp collisions at s = 13  TeV with the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2018 The results of a search for new heavy W ' bosons decaying to an electron or muon and a neutrino using proton-proton collision data at a centre-of-mass energy of s = 13  TeV are presented. The dataset was collected in 2015 and 2016 by the ATLAS experim ... Full text Cite

Search for photonic signatures of gauge-mediated supersymmetry in 13 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · January 1, 2018 A search is presented for photonic signatures, motivated by generalized models of gauge-mediated supersymmetry breaking. This search makes use of proton-proton collision data at √s = 13 TeV corresponding to an integrated luminosity of 36.1 fb-1 recorded by ... Full text Cite

Measurement of the inclusive and fiducial t t ¯ production cross-sections in the lepton+jets channel in pp collisions at s = 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 The inclusive and fiducial t t ¯ production cross-sections are measured in the lepton+jets channel using 20.2 fb - 1 of proton-proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. Major systematic un ... Full text Cite

Search for heavy particles decaying into top-quark pairs using lepton-plus-jets events in proton-proton collisions at s = 13   TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for new heavy particles that decay into top-quark pairs is performed using data collected from proton-proton collisions at a centre-of-mass energy of 13  TeV by the ATLAS detector at the Large Hadron Collider. The integrated luminosity of the data ... Full text Cite

Measurements of tt¯ differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s =13 TeV using the ATLAS detector

Journal Article Physical Review D · January 1, 2018 Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds ... Full text Cite

Search for new phenomena using the invariant mass distribution of same-flavour opposite-sign dilepton pairs in events with missing transverse momentum in s=13   Tepp collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for new phenomena in final states containing an e+e- or μ+μ- pair, jets, and large missing transverse momentum is presented. This analysis makes use of proton-proton collision data with an integrated luminosity of 36.1fb-1 , collected during 2015 ... Full text Cite

Prompt and non-prompt J / ψ elliptic flow in Pb+Pb collisions at s NN = 5.02 Tev with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 The elliptic flow of prompt and non-prompt J / ψ was measured in the dimuon decay channel in Pb+Pb collisions at s NN = 5.02   TeV with an integrated luminosity of 0.42 nb - 1 with the ATLAS detector at the LHC. The prompt and non-prompt signals ... Full text Cite

Prompt and non-prompt J / ψ and ψ ( 2 S ) suppression at high transverse momentum in 5.02 TeV Pb+Pb collisions with the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2018 A measurement of J / ψ and ψ ( 2 S ) production is presented. It is based on a data sample from Pb+Pb collisions at s NN = 5.02 TeV and pp collisions at s = 5.02 TeV recorded by the ATLAS detector at the LHC in 2015, corresponding to an in ... Full text Cite

Measurement of colour flow using jet-pull observables in t t ¯ events with the ATLAS experiment at s = 13 TeV.

Journal Article The European physical journal. C, Particles and fields · January 2018 Previous studies have shown that weighted angular moments derived from jet constituents encode the colour connections between partons that seed the jets. This paper presents measurements of two such distributions, the jet-pull angle and jet-pull magnitude, ... Full text Cite

Performance of missing transverse momentum reconstruction with the ATLAS detector using proton-proton collisions at s = 13 TeV.

Journal Article The European physical journal. C, Particles and fields · January 2018 The performance of the missing transverse momentum ( E T miss ) reconstruction with the ATLAS detector is evaluated using data collected in proton-proton collisions at the LHC at a centre-of-mass energy of 13 TeV in 2015. To reconstruct E T miss , fully ... Full text Cite

Operation and performance of the ATLAS Tile Calorimeter in Run 1.

Journal Article The European physical journal. C, Particles and fields · January 2018 The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. Approximately 10,000 photomultipliers collect light from scintillating tiles acting as the active material sandwiched between s ... Full text Cite

Search for electroweak production of supersymmetric particles in final states with two or three leptons at s = 13 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 A search for the electroweak production of charginos, neutralinos and sleptons decaying into final states involving two or three electrons or muons is presented. The analysis is based on 36.1 fb - 1 of s = 13  TeV proton-proton collisions recorded by ... Full text Cite

Measurement of the azimuthal anisotropy of charged particles produced in s NN = 5.02 TeV Pb+Pb collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 Measurements of the azimuthal anisotropy in lead-lead collisions at s NN = 5.02 TeV are presented using a data sample corresponding to 0.49 nb - 1 integrated luminosity collected by the ATLAS experiment at the LHC in 2015. The recorded minimum-bias ... Full text Cite

Search for Higgs boson pair production in the γ γ W W ∗ channel using pp collision data recorded at s = 13 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2018 Searches for non-resonant and resonant Higgs boson pair production are performed in the γ γ W W ∗ channel with the final state of γ γ ℓ ν j j using 36.1  fb - 1 of proton-proton collision data recorded at a centre-of-mass energy of s = 13 TeV by the ... Full text Cite

Femtoscopy with identified charged pions in proton-lead collisions at √sNN =5.02 TeV with ATLAS

Journal Article Physical Review C · December 28, 2017 Bose-Einstein correlations between identified charged pions are measured for p+Pb collisions at sNN=5.02TeV using data recorded by the ATLAS detector at the CERN Large Hadron Collider corresponding to a total integrated luminosity of 28nb-1. Pions are iden ... Full text Cite

Measurement of the cross-section for electroweak production of dijets in association with a Z boson in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 10, 2017 The cross-section for the production of two jets in association with a leptonically decaying Z boson (Zjj) is measured in proton–proton collisions at a centre-of-mass energy of 13 TeV, using data recorded with the ATLAS detector at the Large Hadron Collide ... Full text Cite

Search for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 10, 2017 Searches for new phenomena in high-mass diphoton final states with the ATLAS experiment at the LHC are presented. The analysis is based on pp collision data corresponding to an integrated luminosity of 36.7 fb−1 at a centre-of-mass energy s=13 TeV recorded ... Full text Cite

Study of the material of the ATLAS inner detector for Run 2 of the LHC

Journal Article Journal of Instrumentation · December 7, 2017 The ATLAS inner detector comprises three different sub-detectors: the pixel detector, the silicon strip tracker, and the transition-radiation drift-tube tracker. The Insertable B-Layer, a new innermost pixel layer, was installed during the shutdown period ... Full text Cite

Analysis of the Wtb vertex from the measurement of triple-differential angular decay rates of single top quarks produced in the t-channel at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2017 The electroweak production and subsequent decay of single top quarks in the t-channel is determined by the properties of the Wtb vertex, which can be described by the complex parameters of an effective Lagrangian. An analysis of a triple-differential decay ... Full text Cite

Search for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV pp collisions

Journal Article Journal of High Energy Physics · December 1, 2017 A search is presented for particles that decay producing a large jet multiplicity and invisible particles. The event selection applies a veto on the presence of isolated electrons or muons and additional requirements on the number of b-tagged jets and the ... Full text Cite

Search for dark matter in association with a Higgs boson decaying to two photons at √s=13 TeV with the ATLAS detector

Journal Article Physical Review D · December 1, 2017 A search for dark matter in association with a Higgs boson decaying to two photons is presented. This study is based on data collected with the ATLAS detector, corresponding to an integrated luminosity of 36.1 fb-1 of proton-proton collisions at the LHC at ... Full text Cite

Measurement of the Drell-Yan triple-differential cross section in pp collisions at √s=8 TeV

Journal Article Journal of High Energy Physics · December 1, 2017 This paper presents a measurement of the triple-differential cross section for the Drell-Yan process Z/γ* → ℓ+ℓ− where ℓ is an electron or a muon. The measurement is performed for invariant masses of the lepton pairs, mℓℓ, between 46 and 200 GeV using a sa ... Full text Cite

Evidence for the H → bb decay with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2017 A search for the decay of the Standard Model Higgs boson into a bb pair when produced in association with a W or Z boson is performed with the ATLAS detector. The analysed data, corresponding to an integrated luminosity of 36.1 fb-1, were collected in prot ... Full text Cite

Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2017 A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. An analysis of 36.1 fb−1 of s=13 TeV proton-proton collisions collected using the ATLAS detector at the LHC yi ... Full text Cite

Search for squarks and gluinos in events with an isolated lepton, jets, and missing transverse momentum at √s=13 TeV with the ATLAS detector

Journal Article Physical Review D · December 1, 2017 The results of a search for squarks and gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton-proton collision data at a center-of-mass energy of √ = 13 TeV are presented. The data set u ... Full text Cite

Study of ordered hadron chains with the ATLAS detector

Journal Article Physical Review D · November 29, 2017 The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed correlation pattern agrees with a model of a helical QCD string fragmenting in ... Full text Cite

Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2017 A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state is described. The search uses 36.1 fb−1 of proton–proton collision data at s=13 TeV collected by the ATLAS detector at the CERN Large Hadron Collider in ... Full text Cite

Measurement of jet pT correlations in Pb + Pb and pp collisions at sNN=2.76 TeVwith the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2017 Measurements of dijet pT correlations in Pb+Pb and pp collisions at a nucleon–nucleon centre-of-mass energy of sNN=2.76 TeV are presented. The measurements are performed with the ATLAS detector at the Large Hadron Collider using Pb+Pb and pp data samples c ... Full text Cite

Search for Dark Matter Produced in Association with a Higgs Boson Decaying to bb[over ¯] Using 36  fb^{-1} of pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · November 2017 Several extensions of the standard model predict associated production of dark-matter particles with a Higgs boson. Such processes are searched for in final states with missing transverse momentum and a Higgs boson decaying to a bb[over ¯] pair with the AT ... Full text Cite

Search for Heavy Higgs Bosons A/H Decaying to a Top Quark Pair in pp Collisions at sqrt[s]=8  TeV with the ATLAS Detector.

Journal Article Physical review letters · November 2017 A search for heavy pseudoscalar (A) and scalar (H) Higgs bosons decaying into a top quark pair (tt[over ¯]) has been performed with 20.3  fb^{-1} of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a center-of- ... Full text Cite

Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at √s=8 TeV

Journal Article Journal of High Energy Physics · November 1, 2017 A measurement of b-hadron pair production is presented, based on a data set corresponding to an integrated luminosity of 11.4 fb−1 of proton-proton collisions recorded at s=8 TeV with the ATLAS detector at the LHC. Events are selected in which a b-hadron i ... Full text Cite

Measurement of the tt¯ γ production cross section in proton-proton collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2017 The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of s=8 TeV with 20.2 fb−1 of data collected by the ATLAS detector at the Large Hadron Collider in 2012. The measu ... Full text Cite

Measurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at √s=13 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2017 Measurements of differential cross-sections of top-quark pair production in fiducial phase-spaces are presented as a function of top-quark and tt¯ system kinematic observables in proton-proton collisions at a centre-of-mass energy of s=13 TeV. The data set ... Full text Cite

Search for supersymmetry in events with b-tagged jets and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2017 A search for the supersymmetric partners of the Standard Model bottom and top quarks is presented. The search uses 36.1 fb−1 of pp collision data at s=13 TeV collected by the ATLAS experiment at the Large Hadron Collider. Direct production of pairs of bott ... Full text Cite

Jet energy scale measurements and their systematic uncertainties in proton-proton collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · October 13, 2017 Jet energy scale measurements and their systematic uncertainties are reported for jets measured with the ATLAS detector using proton-proton collision data with a center-of-mass energy of s=13 TeV, corresponding to an integrated luminosity of 3.2 fb-1 colle ... Full text Cite

Measurement of the W+W production cross section in pp collisions at a centre-of-mass energy of √s = 13 TeV with the ATLAS experiments

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 10, 2017 The production of opposite-charge W-boson pairs in proton–proton collisions at s=13 TeV is measured using data corresponding to 3.16 fb−1 of integrated luminosity collected by the ATLAS detector at the CERN Large Hadron Collider in 2015. Candidate W-boson ... Full text Cite

Searches for the Zγ decay mode of the Higgs boson and for new high-mass resonances in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2017 This article presents searches for the Zγ decay of the Higgs boson and for narrow high-mass resonances decaying to Zγ, exploiting Z boson decays to pairs of electrons or muons. The data analysis uses 36.1 fb−1 of pp collisions at s=13 recorded by the ATLAS ... Full text Cite

Correction to: Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector (Eur. Phys. J. C, (2017), 77, (580), 10.1140/epjc/s10052-017-5081-5)

Journal Article European Physical Journal C · October 1, 2017 Unfortunately, in the original version of this article the copyright holder was wrong in the HTML. The original article has been corrected. ... Full text Cite

Measurement of inclusive and differential cross sections in the H → ZZ * → 4ℓ decay channel in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2017 Inclusive and differential fiducial cross sections of Higgs boson production in proton-proton collisions are measured in the H → ZZ* → 4ℓ decay channel. The proton-proton collision data were produced at the Large Hadron Collider at a centre-of-mass energy ... Full text Cite

Search for top quark decays t → qH, with H → γγ, in √s=13 TeV pp collisions using the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2017 This article presents a search for flavour-changing neutral currents in the decay of a top quark into an up-type (q = c, u) quark and a Higgs boson, where the Higgs boson decays into two photons. The proton-proton collision data set analysed amounts to 36. ... Full text Cite

Search for pair production of heavy vector-like quarks decaying to high-p T W bosons and b quarks in the lepton-plus-jets final state in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2017 A search is presented for the pair production of heavy vector-like T quarks, primarily targeting the T quark decays to a W boson and a b-quark. The search is based on 36.1 fb−1 of pp collisions at s=13 TeV recorded in 2015 and 2016 with the ATLAS detector ... Full text Cite

Search for new high-mass phenomena in the dilepton final state using 36 fb−1 of proton-proton collision data at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2017 A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. The search uses 36.1 fb−1 of proton-proton collision data, collected at s=13 TeV by the ATLAS experiment at the LHC in 2015 and 2016. No sign ... Full text Cite

Evidence for light-by-light scattering in heavy-ion collisions with the ATLAS detector at the LHC

Journal Article Nature Physics · September 5, 2017 Light-by-light scattering (γγ → γγ) is a quantum-mechanical process that is forbidden in the classical theory of electrodynamics. This reaction is accessible at the Large Hadron Collider thanks to the large electromagnetic field strengths generated by ultr ... Full text Cite

Measurement of the inclusive jet cross-sections in proton-proton collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2017 Inclusive jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of s=8 TeV recorded by the ATLAS experiment at the Large Hadron Collider at CERN. The total integrated luminosity of the analysed data set amounts t ... Full text Cite

Search for new phenomena in a lepton plus high jet multiplicity final state with the ATLAS experiment using √s=13 TeV proton-proton collision data

Journal Article Journal of High Energy Physics · September 1, 2017 A search for new phenomena in final states characterized by high jet multiplicity, an isolated lepton (electron or muon) and either zero or at least three b-tagged jets is presented. The search uses 36.1 fb−1 of s=13 TeV proton-proton collision data collec ... Full text Cite

Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb−1 of √s=13 TeV pp collision data with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2017 A search for strongly produced supersymmetric particles using signatures involving multiple energetic jets and either two isolated same-sign leptons (e or μ), or at least three isolated leptons, is presented. The analysis relies on the identification of b- ... Full text Cite

Top-quark mass measurement in the all-hadronic tt¯ decay channel at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2017 The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton-proton collisions at a centre-of-mass energy of s=8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The data set used in the analysis corresponds ... Full text Cite

Search for new phenomena in dijet events using 37 fb-1 of pp collision data collected at √s=13 TeV with the ATLAS detector

Journal Article Physical Review D · September 1, 2017 Dijet events are studied in the proton-proton collision data set recorded at s=13 TeV with the ATLAS detector at the Large Hadron Collider in 2015 and 2016, corresponding to integrated luminosities of 3.5 fb-1 and 33.5 fb-1 respectively. Invariant mass and ... Full text Cite

Measurements of long-range azimuthal anisotropies and associated Fourier coefficients for pp collisions at s =5.02 and 13 TeV and p+Pb collisions at sNN =5.02 TeV with the ATLAS detector

Journal Article Physical Review C · August 22, 2017 ATLAS measurements of two-particle correlations are presented for s=5.02 and 13 TeV pp collisions and for sNN=5.02 TeV p+Pb collisions at the LHC. The correlation functions are measured as a function of relative azimuthal angle Δφ, and pseudorapidity separ ... Full text Cite

Search for direct top squark pair production in events with a Higgs or Z boson, and missing transverse momentum in √s=13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2017 A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a Z boson or a pair of jets compatible with a Standard Model (SM) Higgs boson (h) is presented. Re ... Full text Cite

Search for the Dimuon Decay of the Higgs Boson in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · August 2017 A search for the dimuon decay of the Higgs boson was performed using data corresponding to an integrated luminosity of 36.1  fb^{-1} collected with the ATLAS detector in pp collisions at sqrt[s]=13  TeV at the Large Hadron Collider. No significant excess i ... Full text Cite

Measurement of the k t splitting scales in Z → ℓℓ events in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2017 A measurement of the splitting scales occuring in the kt jet-clustering algorithm is presented for final states containing a Z boson. The measurement is done using 20.2 fb−1 of proton-proton collision data collected at a centre-of-mass energy of s=8 TeV by ... Full text Cite

Search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in √s=13 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2017 The results of a search for vector-like top quarks using events with exactly one lepton, at least four jets, and large missing transverse momentum are reported. The search is optimised for pair production of vector-like top quarks in the Z() t + X decay ch ... Full text Cite

Erratum to: Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at √s = 8 TeV with the ATLAS detector (The European Physical Journal C, (2016), 76, 2, (87), 10.1140/epjc/s10052-016-3910-6)

Journal Article European Physical Journal C · August 1, 2017 In the original paper, Fig. 4 contains the wrong label preliminary. The label has been fixed, while none of the results have changed.(Table Presented.). ... Full text Cite

Measurement of the cross section for inclusive isolated-photon production in pp collisions at s=13 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · July 10, 2017 Inclusive isolated-photon production in pp collisions at a centre-of-mass energy of 13 TeV is studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 3.2 fb−1. The cross section is measured as a function of the photon t ... Full text Cite

Studies of Zγ production in association with a high-mass dijet system in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · July 1, 2017 The production of a Z boson and a photon in association with a high-mass dijet system is studied using 20.2 fb−1 of proton-proton collision data at a centre-of-mass energy of s=8 TeV recorded with the ATLAS detector in 2012 at the Large Hadron Collider. Fi ... Full text Cite

Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector

Journal Article Physical Review C · June 28, 2017 Two-particle pseudorapidity correlations are measured in sNN=2.76TeVPb+Pb, sNN=5.02TeVp+Pb, and s=13TeVpp collisions at the Large Hadron Collider (LHC), with total integrated luminosities of approximately 7μb-1, 28 nb-1, and 65 nb-1, respectively. The corr ... Full text Cite

Measurements of integrated and differential cross sections for isolated photon pair production in pp collisions at √ s = 8 TeV with the ATLAS detector

Journal Article Physical Review D · June 1, 2017 A measurement of the production cross section for two isolated photons in proton-proton collisions at a center-of-mass energy of s=8 TeV is presented. The results are based on an integrated luminosity of 20.2 fb-1 recorded by the ATLAS detector at the Larg ... Full text Cite

Performance of the ATLAS Transition Radiation Tracker in Run 1 of the LHC: Tracker properties

Journal Article Journal of Instrumentation · May 3, 2017 The tracking performance parameters of the ATLAS Transition Radiation Tracker (TRT) as part of the ATLAS inner detector are described in this paper for different data-taking conditions in proton-proton, proton-lead and lead-lead collisions at the Large Had ... Full text Cite

High-ET isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector

Journal Article Nuclear Physics B · May 1, 2017 The dynamics of isolated-photon plus one-, two- and three-jet production in pp collisions at a centre-of-mass energy of 8 TeV are studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 20.2 fb−1. Measurements of isolat ... Full text Cite

Measurement of the inclusive cross-sections of single top-quark and top-antiquark t-channel production in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2017 A measurement of the t-channel single-top-quark and single-top-antiquark production cross-sections in the lepton+jets channel is presented, using 3.2 fb−1 of proton-proton collision data at a centre-of-mass energy of 13 TeV, recorded with the ATLAS detecto ... Full text Cite

Measurement of the t t production cross section in the τ+jets final state in pp collisions at s =8 TeV using the ATLAS detector

Journal Article Physical Review D · April 1, 2017 A measurement of the inclusive pp→tt+X production cross section in the τ+jets final state using only the hadronic decays of the τ lepton is presented. The measurement is performed using 20.2 fb-1 of proton-proton collision data recorded at a center-of-mass ... Full text Cite

Probing the W tb vertex structure in t-channel single-top-quark production and decay in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2017 To probe the W tb vertex structure, top-quark and W -boson polarisation observables are measured from t-channel single-top-quark events produced in proton-proton collisions at a centre-of-mass energy of 8 TeV. The dataset corresponds to an integrated lumin ... Full text Cite

Measurements of top quark spin observables in tt¯ events using dilepton final states in √s=8 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2017 Measurements of top quark spin observables in tt¯ events are presented based on 20.2 fb−1 of s=8 TeV proton-proton collisions recorded with the ATLAS detector at the LHC. The analysis is performed in the dilepton final state, characterised by the presence ... Full text Cite

Measurement of charged-particle distributions sensitive to the underlying event in √s=13 TeV proton-proton collisions with the ATLAS detector at the LHC

Journal Article Journal of High Energy Physics · March 1, 2017 We present charged-particle distributions sensitive to the underlying event, measured by the ATLAS detector in proton-proton collisions at a centre-of-mass energy of 13 TeV, in low-luminosity Large Hadron Collider fills corresponding to an integrated lumin ... Full text Cite

Search for dark matter in association with a Higgs boson decaying to b-quarks in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2017 A search for dark matter pair production in association with a Higgs boson decaying to a pair of bottom quarks is presented, using 3.2 fb−1 of pp collisions at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC. The decay of the H ... Full text Cite

Search for new resonances decaying to a W or Z boson and a Higgs boson in the ℓ+bb¯, ℓνbb¯, and νν¯bb¯ channels with pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2017 A search is presented for new resonances decaying to a W or Z boson and a Higgs boson in the ℓ+ℓ−bb¯, ℓνbb¯, and νν¯bb¯ channels in pp collisions at s=13 TeV with the ATLAS detector at the Large Hadron Collider using a total integrated luminosity of 3.2 fb ... Full text Cite

Measurement of W boson angular distributions in events with high transverse momentum jets at √s=8 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2017 The W boson angular distribution in events with high transverse momentum jets is measured using data collected by the ATLAS experiment from proton–proton collisions at a centre-of-mass energy s=8 TeV at the Large Hadron Collider, corresponding to an integr ... Full text Cite

Search for anomalous electroweak production of WW /WZ in association with a high-mass dijet system in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D · February 8, 2017 A search is presented for anomalous quartic gauge boson couplings in vector-boson scattering. The data for the analysis correspond to 20.2 fb-1 of s=8 TeV pp collisions and were collected in 1972 by the ATLAS experiment at the Large Hadron Collider. The se ... Full text Cite

Measurements of charge and CP asymmetries in b-hadron decays using top-quark events collected by the ATLAS detector in pp collisions at √s=8 TeV

Journal Article Journal of High Energy Physics · February 1, 2017 Same- and opposite-sign charge asymmetries are measured in lepton+jets tt¯ events in which a b-hadron decays semileptonically to a soft muon, using data corresponding to an integrated luminosity of 20.3 fb−1 from proton-proton collisions at a centre-of-mas ... Full text Cite

Measurements of top-quark pair to Z-boson cross-section ratios at √s=13 , 8, 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · February 1, 2017 Ratios of top-quark pair to Z-boson cross sections measured from proton-proton collisions at the LHC centre-of-mass energies of s=13 TeV, 8 TeV, and 7 TeV are presented by the ATLAS Collaboration. Single ratios, at a given s for the two processes and at di ... Full text Cite

Search for heavy resonances decaying to a Z boson and a photon in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 10, 2017 This Letter presents a search for new resonances with mass larger than 250 GeV, decaying to a Z boson and a photon. The dataset consists of an integrated luminosity of 3.2 fb−1 of pp collisions collected at s=13 TeV with the ATLAS detector at the Large Had ... Full text Cite

Measurement of the ZZ production cross section in proton-proton collisions at √s=8 TeV using the ZZ → ℓ+′−′+ and ZZ→ ℓ+νν¯ decay channels with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2017 A measurement of the ZZ production cross section in the ℓ−ℓ+ℓ′ −ℓ′ + and ℓ−ℓ+νν¯ channels (ℓ = e, μ) in proton-proton collisions at s=8TeV at the Large Hadron Collider at CERN, using data corresponding to an integrated luminosity of 20.3 fb−1 collected by ... Full text Cite

Measurements of ψ(2S) and X(3872) → J/ψπ + π production in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2017 Differential cross sections are presented for the prompt and non-prompt production of the hidden-charm states X(3872) and ψ(2S), in the decay mode J/ψπ+π−, measured using 11.4 fb−1 of pp collisions at s=8 TeV by the ATLAS detector at the LHC. The ratio of ... Full text Cite

A measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 pp-collision data with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 A measurement of the calorimeter response to isolated charged hadrons in the ATLAS detector at the LHC is presented. This measurement is performed with 3.2 nb[Formula: see text] of proton-proton collision data at [Formula: see text] [Formula: see text] fro ... Full text Cite

Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Direct searches for lepton flavour violation in decays of the Higgs and Z bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: [Formula: see text], [Formula: see text], and [Formula: see text]. The sear ... Full text Cite

Measurement of the prompt J/[Formula: see text] pair production cross-section in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 The production of two prompt [Formula: see text] mesons, each with transverse momenta [Formula: see text] GeV and rapidity [Formula: see text], is studied using a sample of proton-proton collisions at [Formula: see text] TeV, corresponding to an integrated ... Full text Cite

Measurement of the [Formula: see text] and [Formula: see text] production cross sections in multilepton final states using 3.2 fb[Formula: see text] of [Formula: see text] collisions at [Formula: see text] = 13 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 A measurement of the [Formula: see text] and [Formula: see text] production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton-proton colli ... Full text Cite

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in [Formula: see text] [Formula: see text][Formula: see text] collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Two searches for new phenomena in final states containing a same-flavour opposite-sign lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. These searches make use of proton-proton collision data, collected during 2015 ... Full text Cite

Search for triboson [Formula: see text] production in pp collisions at [Formula: see text] [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper reports a search for triboson [Formula: see text] production in two decay channels ([Formula: see text] and [Formula: see text] with [Formula: see text]) in proton-proton collision data corresponding to an integrated luminosity of 20.3 [Formula: ... Full text Cite

Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper describes the algorithms for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC). These algorithms were used for all ATLAS results with electrons in the final state th ... Full text Cite

Performance of algorithms that reconstruct missing transverse momentum in [Formula: see text]= 8 TeV proton-proton collisions in the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 The reconstruction and calibration algorithms used to calculate missing transverse momentum ([Formula: see text] ) with the ATLAS detector exploit energy deposits in the calorimeter and tracks reconstructed in the inner detector as well as the muon spectro ... Full text Cite

Measurement of jet activity produced in top-quark events with an electron, a muon and two b-tagged jets in the final state in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Measurements of jet activity in top-quark pair events produced in proton-proton collisions are presented, using 3.2 fb[Formula: see text] of pp collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS experiment at the Large Hadron ... Full text Cite

Measurement of the W boson polarisation in [Formula: see text] events from pp collisions at [Formula: see text] = 8 TeV in the lepton + jets channel with ATLAS.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper presents a measurement of the polarisation of W bosons from [Formula: see text] decays, reconstructed in events with one high-[Formula: see text] lepton and at least four jets. Data from pp collisions at the LHC were collected at [ ... Full text Cite

Measurements of top-quark pair differential cross-sections in the [Formula: see text] channel in pp collisions at [Formula: see text] TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 This article presents measurements of [Formula: see text] differential cross-sections in a fiducial phase-space region, using an integrated luminosity of 3.2 fb[Formula: see text] of proton-proton data at a centre-of-mass energy of [Formula: see text] TeV ... Full text Cite

Reconstruction of primary vertices at the ATLAS experiment in Run 1 proton-proton collisions at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper presents the method and performance of primary vertex reconstruction in proton-proton collision data recorded by the ATLAS experiment during Run 1 of the LHC. The studies presented focus on data taken during 2012 at a centre-of-mass energy of [F ... Full text Cite

Performance of the ATLAS trigger system in 2015.

Journal Article The European physical journal. C, Particles and fields · January 2017 During 2015 the ATLAS experiment recorded [Formula: see text] of proton-proton collision data at a centre-of-mass energy of [Formula: see text]. The ATLAS trigger system is a crucial component of the experiment, responsible for selecting events of interest ... Full text Cite

Measurement of jet fragmentation in Pb+Pb and pp collisions at sNN=2.76 TeV with the ATLAS detector at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2017 The distributions of transverse momentum and longitudinal momentum fraction of charged particles in jets are measured in Pb+Pb and pp collisions with the ATLAS detector at the LHC. The distributions are measured as a function of jet transverse momen ... Full text Cite

Precision measurement and interpretation of inclusive W+ , W- and Z/γ∗ production cross sections with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 High-precision measurements by the ATLAS Collaboration are presented of inclusive W+→ℓ+ν , W-→ℓ-ν¯ and Z/γ∗→ℓℓ ( ℓ=e,μ ) Drell-Yan production cross sections at the LHC. The data were collected in proton-proton collisions at s=7TeV with an integrated lumino ... Full text Cite

Measurements of the production cross section of a [Formula: see text] boson in association with jets in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Measurements of the production cross section of a [Formula: see text] boson in association with jets in proton-proton collisions at [Formula: see text] TeV are presented, using data corresponding to an integrated luminosity of 3.16 fb[Formula: see text] co ... Full text Cite

Search for dark matter at [Formula: see text] in final states containing an energetic photon and large missing transverse momentum with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Results of a search for physics beyond the Standard Model in events containing an energetic photon and large missing transverse momentum with the ATLAS detector at the Large Hadron Collider are reported. As the number of events observed in data, correspond ... Full text Cite

Measurement of multi-particle azimuthal correlations in pp, p + Pb and low-multiplicity Pb + Pb collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Multi-particle cumulants and corresponding Fourier harmonics are measured for azimuthal angle distributions of charged particles in [Formula: see text] collisions at [Formula: see text] = 5.02 and 13 TeV and in [Formula: see text] + Pb collisions at [Formu ... Full text Cite

Measurements of electroweak [Formula: see text] production and constraints on anomalous gauge couplings with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Measurements of the electroweak production of a W boson in association with two jets at high dijet invariant mass are performed using [Formula: see text] 7 and 8 [Formula: see text] proton-proton collision data produced by the Large Hadron Collider, ... Full text Cite

Jet reconstruction and performance using particle flow with the ATLAS Detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper describes the implementation and performance of a particle flow algorithm applied to 20.2 fb[Formula: see text] of ATLAS data from 8 TeV proton-proton collisions in Run 1 of the LHC. The algorithm removes calorimeter energy deposits due to charg ... Full text Cite

Topological cell clustering in the ATLAS calorimeters and its performance in LHC Run 1.

Journal Article The European physical journal. C, Particles and fields · January 2017 The reconstruction of the signal from hadrons and jets emerging from the proton-proton collisions at the Large Hadron Collider (LHC) and entering the ATLAS calorimeters is based on a three-dimensional topological clustering of individual calorimeter cell s ... Full text Cite

Measurement of W±W± vector-boson scattering and limits on anomalous quartic gauge couplings with the ATLAS detector

Journal Article Physical Review D · January 1, 2017 This paper presents the extended results of measurements of W±W±jj production and limits on anomalous quartic gauge couplings using 20.3 fb-1 of proton-proton collision data at s=8 TeV recorded by the ATLAS detector at the Large Hadron Collider. Events wit ... Full text Cite

Fiducial, total and differential cross-section measurements of t-channel single top-quark production in pp collisions at 8 TeV using data collected by the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Detailed measurements of t-channel single top-quark production are presented. They use 20.2 fb[Formula: see text] of data collected by the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of 8 TeV at the LHC. Total, fiducial a ... Full text Cite

Measurement of W W / W Z → ℓ ν q q ' production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at s = 8 TeV with ATLAS, and constraints on anomalous gauge couplings.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper presents a study of the production of WW or WZ boson pairs, with one W boson decaying to e ν or μ ν and one W or Z boson decaying hadronically. The analysis uses 20.2 fb - 1 of s = 8 TeV pp co ... Full text Cite

Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 The rejection of forward jets originating from additional proton-proton interactions (pile-up) is crucial for a variety of physics analyses at the LHC, including Standard Model measurements and searches for physics beyond the Standard Model. The identifica ... Full text Cite

Study of W W γ and W Z γ production in p p collisions at s = 8 TeV and search for anomalous quartic gauge couplings with the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper presents a study of W W γ and W Z γ triboson production using events from proton-proton collisions at a centre-of-mass energy of s = 8 TeV recorded with the ATLAS detector at the LHC and corresponding to an integrated luminosity of 20.2 fb ... Full text Cite

Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2.

Journal Article The European physical journal. C, Particles and fields · January 2017 With the increase in energy of the Large Hadron Collider to a centre-of-mass energy of 13 [Formula: see text] for Run 2, events with dense environments, such as in the cores of high-energy jets, became a focus for new physics searches as well as measuremen ... Full text Cite

ATLAS Collaboration

Conference Nuclear Physics A · January 1, 2017 Full text Cite

Measurement of detector-corrected observables sensitive to the anomalous production of events with jets and large missing transverse momentum in pp collisions at s=13  TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Observables sensitive to the anomalous production of events containing hadronic jets and missing momentum in the plane transverse to the proton beams at the Large Hadron Collider are presented. The observables are defined as a ratio of cross sections, for ... Full text Cite

Measurement of lepton differential distributions and the top quark mass in t t ¯ production in pp collisions at s = 8  TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 This paper presents single lepton and dilepton kinematic distributions measured in dileptonic t t ¯ events produced in 20.2 fb - 1 of s = 8  TeV pp collisions recorded by the ATLAS experiment at the LHC. Both absolute and normalised different ... Full text Cite

Determination of the strong coupling constant α s from transverse energy-energy correlations in multijet events at s = 8 TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 Measurements of transverse energy-energy correlations and their associated asymmetries in multi-jet events using the ATLAS detector at the LHC are presented. The data used correspond to s = 8 TeV proton-proton collisions with an integrated luminosity of ... Full text Cite

Search for direct top squark pair production in final states with two leptons in s = 13 TeV pp collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2017 The results of a search for direct pair production of top squarks in events with two opposite-charge leptons (electrons or muons) are reported, using 36.1 fb - 1 of integrated luminosity from proton-proton collisions at s = 13 TeV collected by the AT ... Full text Cite

Search for dark matter produced in association with a hadronically decaying vector boson in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 10, 2016 A search is presented for dark matter produced in association with a hadronically decaying W or Z boson using 3.2 fb−1 of pp collisions at s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. Events with a hadronic jet compatible with a W ... Full text Cite

Transverse momentum, rapidity, and centrality dependence of inclusive charged-particle production in sNN=5.02 TeV p + Pb collisions measured by the ATLAS experiment

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 10, 2016 Measurements of the per-event charged-particle yield as a function of the charged-particle transverse momentum and rapidity are performed using p+Pb collision data collected by the ATLAS experiment at the LHC at a centre-of-mass energy of sNN=5.02TeV. Char ... Full text Cite

Measurement of W+W-production in association with one jet in proton-proton collisions at √s = 8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 10, 2016 The production of Wboson pairs in association with one jet in pp collisions at √s = 8 TeV is studied using data corresponding to an integrated luminosity of 20.3 fb-1collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider. The cross s ... Full text Cite

ATLAS Collaboration

Conference Nuclear Physics A · December 1, 2016 Full text Cite

Measurement of top quark pair differential cross sections in the dilepton channel in pp collisions at √s =7 and 8 TeV with ATLAS

Journal Article Physical Review D · November 11, 2016 Measurements of normalized differential cross sections of top quark pair (tt production are presented as a function of the mass, the transverse momentum and the rapidity of the tt system in proton-proton collisions at center-of-mass energies of s=7 and 8 T ... Full text Cite

Measurement of the W±Z boson pair-production cross section in pp collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2016 The production of W±Z events in proton–proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC. The collected data correspond to an integrated luminosity of 3.2 fb−1. The W±Z candidates are reconstructed using ... Full text Cite

Search for new resonances in events with one lepton and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2016 A search for W′ bosons in events with one lepton (electron or muon) and missing transverse momentum is presented. The search uses 3.2 fb−1 of pp collision data collected at s=13 TeV by the ATLAS experiment at the LHC in 2015. The transverse mass distributi ... Full text Cite

Search for the Standard Model Higgs boson produced by vector-boson fusion and decaying to bottom quarks in √s=8 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2016 A search with the ATLAS detector is presented for the Standard Model Higgs boson produced by vector-boson fusion and decaying to a pair of bottom quarks, using 20.2 fb−1 of LHC proton-proton collision data at s=8 TeV. The signal is searched for as a resona ... Full text Cite

Study of hard double-parton scattering in four-jet events in pp collisions at √s=7 TeV with the ATLAS experiment

Journal Article Journal of High Energy Physics · November 1, 2016 Inclusive four-jet events produced in proton-proton collisions at a centre-of-mass energy of s=7 TeV are analysed for the presence of hard double-parton scattering using data corresponding to an integrated luminosity of 37.3 pb−1, collected with the ATLAS ... Full text Cite

A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions

Journal Article Journal of Instrumentation · November 1, 2016 Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce background in se ... Full text Cite

Measurement of the Inelastic Proton-Proton Cross Section at sqrt[s]=13  TeV with the ATLAS Detector at the LHC.

Journal Article Phys Rev Lett · October 28, 2016 This Letter presents a measurement of the inelastic proton-proton cross section using 60  μb^{-1} of pp collisions at a center-of-mass energy sqrt[s] of 13 TeV with the ATLAS detector at the LHC. Inelastic interactions are selected using rings of plastic s ... Full text Link to item Cite

Measurement of the tt¯ production cross-section using eμ events with b-tagged jets in pp collisions at √s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 10, 2016 This paper describes a measurement of the inclusive top quark pair production cross-section (σtt¯) with a data sample of 3.2fb−1 of proton–proton collisions at a centre-of-mass energy of s=13TeV, collected in 2015 by the ATLAS detector at the LHC. This mea ... Full text Cite

Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 10, 2016 The top quark mass is measured in the tt¯→dilepton channel (lepton=e,μ) using ATLAS data recorded in the year 2012 at the LHC. The data were taken at a proton–proton centre-of-mass energy of s=8 TeV and correspond to an integrated luminosity of about 20.2 ... Full text Cite

Search for high-mass new phenomena in the dilepton final state using proton–proton collisions at s=13TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 10, 2016 A search is conducted for both resonant and non-resonant high-mass new phenomena in dielectron and dimuon final states. The search uses 3.2fb−1 of proton–proton collision data, collected at s=13TeV by the ATLAS experiment at the LHC in 2015. The dilepton i ... Full text Cite

Search for top squarks in final states with one isolated lepton, jets, and missing transverse momentum in s =13 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · September 19, 2016 The results of a search for the top squark, the supersymmetric partner of the top quark, in final states with one isolated electron or muon, jets, and missing transverse momentum are reported. The search uses the 2015 LHC pp collision data at a center-of-m ... Full text Cite

Search for TeV-scale gravity signatures in high-mass final states with leptons and jets with the ATLAS detector at √s=13 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 10, 2016 A search for physics beyond the Standard Model, in final states with at least one high transverse momentum charged lepton (electron or muon) and two additional high transverse momentum leptons or jets, is performed using 3.2 fb−1 of proton–proton collision ... Full text Cite

Search for heavy long-lived charged R-hadrons with the ATLAS detector in 3.2 fb−1 of proton–proton collision data at √s=13 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 10, 2016 A search for heavy long-lived charged R-hadrons is reported using a data sample corresponding to 3.2 fb−1 of proton–proton collisions at s=13 TeV collected by the ATLAS experiment at the Large Hadron Collider at CERN. The search is based on observables rel ... Full text Cite

Search for pair production of Higgs bosons in the bbbb final state using proton-proton collisions at √s =13 TeV with the ATLAS detector

Journal Article Physical Review D · September 2, 2016 A search for Higgs-boson pair production in the bbbb final state is carried out with 3.2 fb-1 of proton-proton collision data collected at s=13 TeV with the ATLAS detector. The data are consistent with the estimated background and are used to set upper lim ... Full text Cite

Search for resonances in diphoton events at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2016 Searches for new resonances decaying into two photons in the ATLAS experiment at the CERN Large Hadron Collider are described. The analysis is based on proton-proton collision data corresponding to an integrated luminosity of 3.2 fb−1 at s=13 TeV recorded ... Full text Cite

Measurement of total and differential W + W production cross sections in proton-proton collisions at √s=8 TeV with the ATLAS detector and limits on anomalous triple-gauge-boson couplings

Journal Article Journal of High Energy Physics · September 1, 2016 The production of W boson pairs in proton-proton collisions at s=8 TeV is studied using data corresponding to 20.3 fb−1 of integrated luminosity collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider. The W bosons are reconstructed u ... Full text Cite

Search for Higgs and Z Boson Decays to ϕγ with the ATLAS Detector.

Journal Article Physical review letters · September 2016 A search for the decays of the Higgs and Z bosons to a ϕ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of 2.7  fb^{-1} collected at sqrt[s]=13  TeV with the ATLAS detector at the LHC. No significa ... Full text Cite

Measurement of jet activity in top quark events using the eμ final state with two b-tagged jets in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2016 Measurements of the jet activity in tt¯ events produced in proton-proton collisions at s=8 TeV are presented, using 20.3 fb−1 of data collected by the ATLAS experiment at the Large Hadron Collider. The events were selected in the dilepton eμ decay channel ... Full text Cite

Searches for heavy diboson resonances in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2016 Searches for new heavy resonances decaying to WW, WZ, and ZZ bosons are presented, using a data sample corresponding to 3.2 fb−1 of pp collisions at s=13 TeV collected with the ATLAS detector at the CERN Large Hadron Collider. Analyses selecting ννqq, ℓνqq ... Full text Cite

Dark matter interpretations of ATLAS searches for the electroweak production of supersymmetric particles in √s=8 TeV proton-proton collisions

Journal Article Journal of High Energy Physics · September 1, 2016 A selection of searches by the ATLAS experiment at the LHC for the electroweak production of SUSY particles are used to study their impact on the constraints on dark matter candidates. The searches use 20 fb−1 of proton-proton collision data at s=8 TeV. A ... Full text Cite

Measurement of exclusive γγ →w+W- production and search for exclusive Higgs boson production in pp collisions at s =8 TeV using the ATLAS detector

Journal Article Physical Review D · August 31, 2016 Searches for exclusively produced W boson pairs in the process pp(γγ)→pW+W-p and an exclusively produced Higgs boson in the process pp(gg)→pHp have been performed using e±μ final states. These measurements use 20.2 fb-1 of pp collisions collected by the AT ... Full text Cite

Measurements of the charge asymmetry in top-quark pair production in the dilepton final state at s =8 TeV with the ATLAS detector

Journal Article Physical Review D · August 22, 2016 Measurements of the top-antitop quark pair production charge asymmetry in the dilepton channel, characterized by two high-pT leptons (electrons or muons), are presented using data corresponding to an integrated luminosity of 20.3 fb-1 from pp collisions at ... Full text Cite

Search for new phenomena in final states with an energetic jet and large missing transverse momentum in pp collisions at s =13 TeV using the ATLAS detector

Journal Article Physical Review D · August 22, 2016 Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated luminosity of 3.2 fb-1 at s=13 TeV collected in 2015 ... Full text Cite

Search for charged Higgs bosons produced in association with a top quark and decaying via H± → τν using pp collision data recorded at √s=13 TeV by the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 10, 2016 Charged Higgs bosons produced in association with a single top quark and decaying via H±→τν are searched for with the ATLAS experiment at the LHC, using proton–proton collision data at s=13 TeV corresponding to an integrated luminosity of 3.2 fb−1. The fin ... Full text Cite

Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton–proton collisions at s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 10, 2016 Searches for high-mass resonances in the dijet invariant mass spectrum with one or two jets identified as b-jets are performed using an integrated luminosity of 3.2 fb−1 of proton–proton collisions with a centre-of-mass energy of s=13 TeV recorded by the A ... Full text Cite

Measurement of W± and Z-boson production cross sections in pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 10, 2016 Measurements of the W±→ℓ±ν and Z→ℓ+ℓ− production cross sections (where ℓ±=e±,μ±) in proton–proton collisions at s=13 TeV are presented using data recorded by the ATLAS experiment at the Large Hadron Collider, corresponding to a total integrated luminosity ... Full text Cite

Search for pair production of gluinos decaying via stop and sbottom in events with b -jets and large missing transverse momentum in pp collisions at s =13 TeV with the ATLAS detector

Journal Article Physical Review D · August 9, 2016 A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (χ10) is reported. It uses an LHC proton-proton data set at a center-of-mass energy s=13 TeV with an integrated luminosity ... Full text Cite

Measurement of the double-differential high-mass Drell-Yan cross section in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2016 This paper presents a measurement of the double-differential cross section for the Drell-Yan Z/γ∗ → ℓ+ℓ− and photon-induced γγ → ℓ+ℓ− processes where ℓ is an electron or muon. The measurement is performed for invariant masses of the lepton pairs, mℓℓ, betw ... Full text Cite

Measurement of the inclusive isolated prompt photon cross section in pp collisions at s=8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2016 Abstract: A measurement of the cross section for the inclusive production of isolated prompt photons in proton-proton collisions at a centre-of-mass energy of s=8 TeV is presented. The measurement covers the pseudorapidity ranges |ηγ | < 1.37 and 1.56 ≤ |η ... Full text Cite

Measurement of fiducial differential cross sections of gluon-fusion production of Higgs bosons decaying to WW →eνμν with the ATLAS detector at √s=8 TeV

Journal Article Journal of High Energy Physics · August 1, 2016 This paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the H → W W∗→ eνμν channel, using 20.3 fb−1 of proton-proton collision data. The data were produced at a centre-of-mass energy of s=8 T ... Full text Cite

Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV

Journal Article Journal of High Energy Physics · August 1, 2016 Combined ATLAS and CMS measurements of the Higgs boson production and decay rates, as well as constraints on its couplings to vector bosons and fermions, are presented. The combination is based on the analysis of five production processes, namely gluon fus ... Full text Cite

Measurement of the CP-violating phase ϕsand the Bs0meson decay width difference with Bs0→ J/ψϕ decays in ATLAS

Journal Article Journal of High Energy Physics · August 1, 2016 A measurement of the Bs0decay parameters in the Bs0→ J/ψϕ channel using an integrated luminosity of 14.3 fb−1collected by the ATLAS detector from 8 TeV pp collisions at the LHC is presented. The measured parameters include the CP -violating phase ϕs, the d ... Full text Cite

Measurement of the angular coefficients in Z-boson events using electron and muon pairs from data taken at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 1, 2016 The angular distributions of Drell-Yan charged lepton pairs in the vicinity of the Z-boson mass peak probe the underlying QCD dynamics of Z-boson production. This paper presents a measurement of the complete set of angular coefficients A0−7 describing thes ... Full text Cite

Charged-particle distributions in √s=13 TeV pp interactions measured with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · July 10, 2016 Charged-particle distributions are measured in proton–proton collisions at a centre-of-mass energy of 13 TeV, using a data sample of nearly 9 million events, corresponding to an integrated luminosity of 170 μb−1, recorded by the ATLAS detector during a spe ... Full text Cite

Search for single production of a vector-like quark via a heavy gluon in the 4b final state with the ATLAS detector in pp collisions at s=8 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · July 10, 2016 A search is performed for the process pp→G*→BHb-/B-Hb→Hbb-→bb-bb-, predicted in composite Higgs scenarios, where G* is a heavy colour octet vector resonance and BH a vector-like quark of charge -1/3. The data were obtained from pp collisions at a centre-of ... Full text Cite

A search for an excited muon decaying to a muon and two jets in pp collisions at √ s = 8 TeV with the ATLAS detector

Journal Article New Journal of Physics · July 1, 2016 Anew search signature for excited leptons is explored. Excited muons are sought in the channel pp → μμ∗→ μμ jet jet, assuming both the production and decay occur via a contact interaction. The analysis is based on 20.3 fb-1 of pp collision data at a centre ... Full text Cite

Search for metastable heavy charged particles with large ionization energy loss in pp collisions at s =13 TeV using the ATLAS experiment

Journal Article Physical Review D · June 28, 2016 This paper presents a search for massive charged long-lived particles produced in pp collisions at s=13 TeV at the LHC using the ATLAS experiment. The data set used corresponds to an integrated luminosity of 3.2 fb-1. Many extensions of the Standard Model ... Full text Cite

Search for new phenomena in final states with large jet multiplicities and missing transverse momentum with ATLAS using √s=13 TeV proton–proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2016 Results are reported of a search for new phenomena, such as supersymmetric particle production, that could be observed in high-energy proton–proton collisions. Events with large numbers of jets, together with missing transverse momentum from unobserved par ... Full text Cite

Measurements of Zγ and Zγγ production in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D · June 2, 2016 The production of Z bosons with one or two isolated high-energy photons is studied using pp collisions at s=8 TeV. The analyses use a data sample with an integrated luminosity of 20.3 fb-1 collected by the ATLAS detector during the 2012 LHC data taking. Th ... Full text Cite

Measurement of D⁎±, D± and Ds± meson production cross sections in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Nuclear Physics B · June 1, 2016 The production of D⁎±, D± and Ds± charmed mesons has been measured with the ATLAS detector in pp collisions at s=7 TeV at the LHC, using data corresponding to an integrated luminosity of 280 nb−1. The charmed mesons have been reconstructed in the range of ... Full text Cite

A search for top squarks with R-parity-violating decays to all-hadronic final states with the ATLAS detector in √s = 8 TeV proton-proton collisions

Journal Article Journal of High Energy Physics · June 1, 2016 A search for the pair production of top squarks, each with R-parity-violating decays into two Standard Model quarks, is performed using 17.4 fb−1 of √s = 8 TeV proton-proton collision data recorded by the ATLAS experiment at the LHC. Each top squark is ass ... Full text Cite

Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2016 Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the Large Hadron Collider are reported. The data were collected in proton-proton collisions at a centre-of-mass ener ... Full text Cite

Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2016 This paper presents studies of the performance of several jet-substructure techniques, which are used to identify hadronically decaying top quarks with high transverse momentum contained in large-radius jets. The efficiency of identifying top quarks is mea ... Full text Cite

Measurement of the relative width difference of the B0‐ B¯ 0 system with the ATLAS detector

Journal Article Journal of High Energy Physics · June 1, 2016 Abstract: This paper presents the measurement of the relative width difference ΔΓd/Γd of the B0‐ B¯ 0 system using the data collected by the ATLAS experiment at the LHC in pp collisions at s=7 TeV and s=8 TeV and corresponding to an integrated luminosity o ... Full text Cite

Beam-induced and cosmic-ray backgrounds observed in the ATLAS detector during the LHC 2012 proton-proton running period

Journal Article Journal of Instrumentation · May 20, 2016 This paper discusses various observations on beam-induced and cosmic-ray backgrounds in the ATLAS detector during the LHC 2012 proton-proton run. Building on published results based on 2011 data, the correlations between background and residual pressure of ... Full text Cite

Search for the standard model Higgs boson produced in association with a vector boson and decaying into a tau pair in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · May 17, 2016 A search for the standard model Higgs boson produced in association with a vector boson with the decay H→ττ is presented. The data correspond to 20.3 fb-1 of integrated luminosity from proton-proton collisions at s=8 TeV recorded by the ATLAS experiment at ... Full text Cite

Measurements of W±Z production cross sections in pp collisions at s =8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · May 13, 2016 This paper presents measurements of W±Z production in pp collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012 by the ATLAS experiment a ... Full text Cite

Evidence for single top-quark production in the s-channel in proton–proton collisions at √s=8 TeV with the ATLAS detector using the Matrix Element Method

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 10, 2016 This Letter presents evidence for single top-quark production in the s-channel using proton–proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The analysis is performed on events containing one ... Full text Cite

Measurement of the charge asymmetry in highly boosted top-quark pair production in √s=8 TeV pp collision data collected by the ATLAS experiment

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 10, 2016 In the pp→tt¯ process the angular distributions of top and anti-top quarks are expected to present a subtle difference, which could be enhanced by processes not included in the Standard Model. This Letter presents a measurement of the charge asymmetry in e ... Full text Cite

Measurement of the dependence of transverse energy production at large pseudorapidity on the hard-scattering kinematics of proton–proton collisions at √s=2.76 TeV with ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 10, 2016 The relationship between jet production in the central region and the underlying-event activity in a pseudorapidity-separated region is studied in 4.0 pb−1 of s=2.76 TeV pp collision data recorded with the ATLAS detector at the LHC. The underlying event is ... Full text Cite

Search for the Standard Model Higgs boson decaying into bb¯ produced in association with top quarks decaying hadronically in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2016 A search for Higgs boson production in association with a pair of top quarks (tt¯ H) is performed, where the Higgs boson decays to bb¯, and both top quarks decay hadronically. The data used correspond to an integrated luminosity of 20.3 fb−1 of pp collisio ... Full text Cite

Search for dark matter produced in association with a Higgs boson decaying to two bottom quarks in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D · April 18, 2016 This article reports on a search for dark matter pair production in association with a Higgs boson decaying to a pair of bottom quarks, using data from 20.3 fb-1 of pp collisions at a center-of-mass energy of 8 TeV collected by the ATLAS detector at the LH ... Full text Cite

Combination of searches for WW, WZ, and ZZ resonances in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 10, 2016 The ATLAS experiment at the CERN Large Hadron Collider has performed searches for new, heavy bosons decaying to WW, WZ and ZZ final states in multiple decay channels using 20.3 fb−1 of pp collision data at s=8 TeV. In the current study, the results of thes ... Full text Cite

Performance of b-jet identification in the ATLAS experiment

Journal Article Journal of Instrumentation · April 4, 2016 The identification of jets containing b hadrons is important for the physics programme of the ATLAS experiment at the Large Hadron Collider. Several algorithms to identify jets containing b hadrons are described, ranging from those based on the reconstruct ... Full text Cite

Search for anomalous couplings in the W tb vertex from the measurement of double differential angular decay rates of single top quarks produced in the t-channel with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2016 Abstract: The electroweak production and subsequent decay of single top quarks is determined by the properties of the Wtb vertex. This vertex can be described by the complex parameters of an effective Lagrangian. An analysis of angular distributions of the ... Full text Cite

Observation of Long-Range Elliptic Azimuthal Anisotropies in sqrt[s]=13 and 2.76 TeV pp Collisions with the ATLAS Detector.

Journal Article Physical review letters · April 2016 ATLAS has measured two-particle correlations as a function of the relative azimuthal angle, Δϕ, and pseudorapidity, Δη, in sqrt[s]=13 and 2.76 TeV pp collisions at the LHC using charged particles measured in the pseudorapidity interval |η|<2.5. The correla ... Full text Cite

Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN =2.76 TeV measured with the ATLAS detector

Journal Article Physical Review C · March 28, 2016 Prompt photon production in sNN=2.76-TeV Pb+Pb collisions has been measured by the ATLAS experiment at the Large Hadron Collider using data collected in 2011 with an integrated luminosity of 0.14 nb-1. Inclusive photon yields, scaled by the mean nuclear th ... Full text Cite

Search for magnetic monopoles and stable particles with high electric charges in 8 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · March 18, 2016 A search for highly ionizing particles produced in proton-proton collisions at 8 TeV center-of-mass energy is performed by the ATLAS Collaboration at the CERN Large Hadron Collider. The data set used corresponds to an integrated luminosity of 7.0 fb-1. A c ... Full text Cite

Search for charged Higgs bosons in the H± → tb decay channel in pp collisions at √s = 8 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · March 17, 2016 Charged Higgs bosons heavier than the top quark and decaying via H± → tb are searched for in proton-proton collisions measured with the ATLAS experiment at (Formula presented.) TeV corresponding to an integrated luminosity of 20.3fb−1. The production of a ... Full text Cite

Dijet production in √s=7 TeV pp collisions with large rapidity gaps at the ATLAS experiment

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 10, 2016 A 6.8 nb−1 sample of pp collision data collected under low-luminosity conditions at s=7TeV by the ATLAS detector at the Large Hadron Collider is used to study diffractive dijet production. Events containing at least two jets with pT>20GeV are selected and ... Full text Cite

Search for new phenomena in dijet mass and angular distributions from pp collisions at √s=13 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 10, 2016 This Letter describes a model-agnostic search for pairs of jets (dijets) produced by resonant and non-resonant phenomena beyond the Standard Model in 3.6 fb−1 of proton–proton collisions with a centre-of-mass energy of s=13 TeV recorded by the ATLAS detect ... Full text Cite

Search for new phenomena with photon+jet events in proton-proton collisions at √s = 13 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · March 8, 2016 Abstract: A search is performed for the production of high-mass resonances decaying into a photon and a jet in 3.2 fb−1of proton-proton collisions at a centre-of-mass energy of (Formula presented.) TeV collected by the ATLAS detector at the Large Hadron Co ... Full text Cite

Search for strong gravity in multijet final states produced in pp collisions at √s = 13 TeV using the ATLAS detector at the LHC

Journal Article Journal of High Energy Physics · March 7, 2016 Abstract: A search is conducted for new physics in multijet final states using 3.6 inverse femtobarns of data from proton-proton collisions at (Formula presented.) TeV taken at the CERN Large Hadron Collider with the ATLAS detector. Events are selected con ... Full text Cite

Search for the electroweak production of supersymmetric particles in √s = 8 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · March 4, 2016 The ATLAS experiment has performed extensive searches for the electroweak production of charginos, neutralinos, and staus. This article summarizes and extends the search for electroweak supersymmetry with new analyses targeting scenarios not covered by pre ... Full text Cite

Measurement of jet charge in dijet events from s =8 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D · March 2, 2016 The momentum-weighted sum of the charges of tracks associated to a jet is sensitive to the charge of the initiating quark or gluon. This paper presents a measurement of the distribution of momentum-weighted sums, called jet charge, in dijet events using 20 ... Full text Cite

Measurement of the ZZ Production Cross Section in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Journal Article Physical review letters · March 2016 The ZZ production cross section in proton-proton collisions at 13 TeV center-of-mass energy is measured using 3.2  fb^{-1} of data recorded with the ATLAS detector at the Large Hadron Collider. The considered Z boson candidates decay to an electron or muon ... Full text Cite

Measurement of the differential cross-section of highly boosted top quarks as a function of their transverse momentum in s =8 TeV proton-proton collisions using the ATLAS detector

Journal Article Physical Review D · February 26, 2016 The differential cross-section for pair production of top quarks with high transverse momentum is measured in 20.3 fb-1 of proton-proton collisions at a center-of-mass energy of 8 TeV. The measurement is performed for tt¯ events in the lepton+jets channel. ... Full text Cite

Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H → γγ decay channel at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2016 The strength and tensor structure of the Higgs boson's interactions are investigated using an effective Lagrangian, which introduces additional CP-even and CP-odd interactions that lead to changes in the kinematic properties of the Higgs boson and associat ... Full text Cite

Measurements of four-lepton production in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 10, 2016 The four-lepton (4ℓ, ℓ=e,μ) production cross section is measured in the mass range from 80 to 1000 GeV using 20.3 fb−1 of data in pp collisions at s=8 TeV collected with the ATLAS detector at the LHC. The 4ℓ events are produced in the decays of resonant Z ... Full text Cite

Search for the production of single vector-like and excited quarks in the Wt final state in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · February 1, 2016 A search for vector-like quarks and excited quarks in events containing a top quark and a W boson in the final state is reported here. The search is based on 20.3 fb−1 of proton-proton collision data taken at the LHC at a centre-of-mass energy of 8 TeV rec ... Full text Cite

A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · February 1, 2016 Abstract: A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb−1 of data collected by the ATLAS detector at the Larg ... Full text Cite

Search for invisible decays of a Higgs boson using vector-boson fusion in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 28, 2016 A search for a Higgs boson produced via vector-boson fusion and decaying into invisible particles is presented, using 20.3 fb−1of proton-proton collision data at a centre-of-mass energy of 8 TeV recorded by the ATLAS detector at the LHC. For a Higgs boson ... Full text Cite

Measurement of the correlation between the polar angles of leptons from top quark decays in the helicity basis at s =7 T e V using the ATLAS detector

Journal Article Physical Review D · January 13, 2016 A measurement of the correlations between the polar angles of leptons from the decay of pair-produced t and t¯ quarks in the helicity basis is reported, using proton-proton collision data collected by the ATLAS detector at the LHC. The dataset corresponds ... Full text Cite

Measurements of fiducial cross-sections for [Formula: see text] production with one or two additional b-jets in pp collisions at [Formula: see text]=8 TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 Fiducial cross-sections for [Formula: see text] production with one or two additional b-jets are reported, using an integrated luminosity of 20.3 fb[Formula: see text] of proton-proton collisions at a centre-of-mass energy of 8 TeV at the Large Hadr ... Full text Cite

Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at [Formula: see text] and 8 TeV in the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2016 Combined analyses of the Higgs boson production and decay rates as well as its coupling strengths to vector bosons and fermions are presented. The combinations include the results of the analyses of the [Formula: see text] and [Formula: see text] decay mod ... Full text Cite

Searches for scalar leptoquarks in pp collisions at [Formula: see text] = 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 Searches for pair-produced scalar leptoquarks are performed using 20 fb[Formula: see text] of proton-proton collision data provided by the LHC and recorded by the ATLAS detector at [Formula: see text] TeV. Events with two electrons (muons) and two or more ... Full text Cite

Study of the [Formula: see text] and [Formula: see text] decays with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The decays [Formula: see text] and [Formula: see text] are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 and 20.6 fb[Formula: see text] of pp collisions collected at centre-of-mass energie ... Full text Cite

Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at (Formula presented.) TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2016 Abstract: A search for a high-mass Higgs boson H is performed in the H → WW → ℓνℓν and H → WW → ℓνqq decay channels using pp collision data corresponding to an integrated luminosity of 20.3 fb−1 collected at s=8(Formula presented.) TeV by the ATLAS detecto ... Full text Cite

Search for flavour-changing neutral current top-quark decays to [Formula: see text] in [Formula: see text] collision data collected with the ATLAS detector at [Formula: see text] TeV.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search for the flavour-changing neutral-current decay [Formula: see text] is presented. Data collected by the ATLAS detector during 2012 from proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of [Formula: see text] TeV, cor ... Full text Cite

Measurement of the production cross-section of a single top quark in association with a W boson at 8 TeV with the ATLAS experiment

Journal Article Journal of High Energy Physics · January 1, 2016 The cross-section for the production of a single top quark in association with a W boson in proton-proton collisions at √s = 8TeV is measured. The dataset corresponds to an integrated luminosity of 20.3 fb−1, collected by the ATLAS detector in 2012 at the ... Full text Cite

Search for an additional, heavy Higgs boson in the [Formula: see text] decay channel at [Formula: see text] in [Formula: see text] collision data with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search is presented for a high-mass Higgs boson in the [Formula: see text], [Formula: see text], [Formula: see text], and [Formula: see text] decay modes using the ATLAS detector at the CERN Large Hadron Collider. The search uses proton-proton collision ... Full text Cite

Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search for single top-quark production via flavour-changing neutral current processes from gluon plus up- or charm-quark initial states in proton-proton collisions at the LHC is presented. Data collected with the ATLAS detector in 2012 at a centre-of-mas ... Full text Cite

Search for direct top squark pair production in final states with two tau leptons in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino, has been performed using 20 fb[Formula: see text] of proton-proton collision data at [Formula: see text]. The data ... Full text Cite

Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at [Formula: see text] TeV.

Journal Article The European physical journal. C, Particles and fields · January 2016 This paper reports a detailed study of techniques for identifying boosted, hadronically decaying W bosons using 20.3 fb[Formula: see text] of proton-proton collision data collected by the ATLAS detector at the LHC at a centre-of-mass energy [Formula ... Full text Cite

Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 This paper reports inclusive and differential measurements of the [Formula: see text] charge asymmetry [Formula: see text] in [Formula: see text] of [Formula: see text][Formula: see text] collisions recorded by the ATLAS experiment at the Large Hadron Coll ... Full text Cite

Search for new phenomena in events with at least three photons collected in pp collisions at [Formula: see text] = 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 Results of a search for new phenomena in events with at least three photons are reported. Data from proton-proton collisions at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 20.3 fb[Formula: see text], were collected with t ... Full text Cite

Measurement of the centrality dependence of the charged-particle pseudorapidity distribution in proton-lead collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The centrality dependence of the mean charged-particle multiplicity as a function of pseudorapidity is measured in approximately 1 [Formula: see text]b[Formula: see text] of proton-lead collisions at a nucleon-nucleon centre-of-mass energy of [Formula: see ... Full text Cite

A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The distribution of particles inside hadronic jets produced in the decay of boosted W and Z bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the hadronic ... Full text Cite

Search for supersymmetry at [Formula: see text] TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons (e or [Formula: see text]) with the same electric charge or at least three isolated leptons. The ... Full text Cite

Muon reconstruction performance of the ATLAS detector in proton-proton collision data at [Formula: see text]=13 TeV.

Journal Article The European physical journal. C, Particles and fields · January 2016 This article documents the performance of the ATLAS muon identification and reconstruction using the LHC dataset recorded at [Formula: see text] TeV in 2015. Using a large sample of [Formula: see text] and [Formula: see text] decays from 3.2 fb[Formula: se ... Full text Cite

Measurement of the transverse momentum and [Formula: see text] distributions of Drell-Yan lepton pairs in proton-proton collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 Distributions of transverse momentum [Formula: see text] and the related angular variable [Formula: see text] of DrellΓÇôYan lepton pairs are measured in 20.3┬áfb[Formula: see text] of protonΓÇôproton collisions at [Formula: see text]┬áTeV with the ATLAS d ... Full text Cite

Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2016 This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed t ... Full text Cite

Measurement of the charged-particle multiplicity inside jets from [Formula: see text][Formula: see text] pp collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The number of charged particles inside jets is a widely used discriminant for identifying the quark or gluon nature of the initiating parton and is sensitive to both the perturbative and non-perturbative components of fragmentation. This paper presents a m ... Full text Cite

Measurement of event-shape observables in [Formula: see text] events in pp collisions at [Formula: see text] [Formula: see text] with the ATLAS detector at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2016 Event-shape observables measured using charged particles in inclusive Z-boson events are presented, using the electron and muon decay modes of the Z bosons. The measurements are based on an integrated luminosity of [Formula: see text] of prot ... Full text Cite

Search for squarks and gluinos in final states with jets and missing transverse momentum at [Formula: see text] =13 [Formula: see text]with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search for squarks and gluinos in final states containing hadronic jets, missing transverse momentum but no electrons or muons is presented. The data were recorded in 2015 by the ATLAS experiment in [Formula: see text] proton-proton collisions at the Lar ... Full text Cite

Charged-particle distributions in pp interactions at [Formula: see text] measured with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 This paper presents measurements of distributions of charged particles which are produced in proton-proton collisions at a centre-of-mass energy of [Formula: see text] and recorded by the ATLAS detector at the LHC. A special dataset recorded in 2012 with a ... Full text Cite

Search for single production of vector-like quarks decaying into Wb in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search for singly produced vector-like Q quarks, where Q can be either a T quark with charge [Formula: see text] or a Y quark with charge [Formula: see text], is performed in proton-proton collisions recorded with the ATLAS de ... Full text Cite

Search for supersymmetry in a final state containing two photons and missing transverse momentum in [Formula: see text] = 13 TeV [Formula: see text] collisions at the LHC using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search has been made for supersymmetry in a final state containing two photons and missing transverse momentum using the ATLAS detector at the Large Hadron Collider. The search makes use of [Formula: see text] of proton-proton collision data collected at ... Full text Cite

Study of the rare decays of [Formula: see text] and [Formula: see text] into muon pairs from data collected during the LHC Run 1 with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A study of the decays [Formula: see text] and [Formula: see text] has been performed using data corresponding to an integrated luminosity of 25 fb[Formula: see text] of 7 and 8 TeV proton-proton collisions collected with the ATLAS detector during the LHC R ... Full text Cite

Charged-particle distributions at low transverse momentum in [Formula: see text] TeV pp interactions measured with the ATLAS detector at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2016 Measurements of distributions of charged particles produced in proton-proton collisions with a centre-of-mass energy of 13 TeV are presented. The data were recorded by the ATLAS detector at the LHC and correspond to an integrated luminosity of 151 [Formula ... Full text Cite

The performance of the jet trigger for the ATLAS detector during 2011 data taking.

Journal Article The European physical journal. C, Particles and fields · January 2016 The performance of the jet trigger for the ATLAS detector at the LHC during the 2011 data taking period is described. During 2011 the LHC provided proton-proton collisions with a centre-of-mass energy of 7 TeV and heavy ion collisions with a 2.76 TeV per n ... Full text Cite

Probing lepton flavour violation via neutrinoless [Formula: see text] decays with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 This article presents the sensitivity of the ATLAS experiment to the lepton-flavour-violating decays of [Formula: see text]. A method utilising the production of [Formula: see text] leptons via [Formula: see text] decays is used. This method is applied to ... Full text Cite

Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment

Journal Article New Journal of Physics · January 1, 2016 An inclusive search for a new-physics signature of lepton-jet resonances has been performed by the ATLAS experiment. Scalar leptoquarks, pair-produced in pp collisions at s √S13 TeV at the large hadron collider, have been considered. An integrated luminosi ... Full text Cite

Measurement of the differential cross-sections of prompt and non-prompt production of [Formula: see text] and [Formula: see text] in pp collisions at [Formula: see text] and 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The production rates of prompt and non-prompt [Formula: see text] and [Formula: see text] mesons in their dimuon decay modes are measured using 2.1 and 11.4 fb[Formula: see text] of data collected with the ATLAS experiment at the Large Hadron Collider, in ... Full text Cite

Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at [Formula: see text] = 13 Te V with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The results of a search for gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton-proton collision data at a centre-of-mass energy of [Formula: see text] are presented. The dataset used ... Full text Cite

Search for bottom squark pair production in proton-proton collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The result of a search for pair production of the supersymmetric partner of the Standard Model bottom quark ([Formula: see text]) is reported. The search uses 3.2 fb[Formula: see text]  of pp collisions at [Formula: see text] TeV collected by the AT ... Full text Cite

Search for new phenomena in different-flavour high-mass dilepton final states in pp collisions at [Formula: see text] Tev with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A search is performed for a heavy particle decaying into different flavour dilepton pairs ([Formula: see text], [Formula: see text] or [Formula: see text]), using 3.2 fb[Formula: see text] of proton-proton collision data at [Formula: see text] TeV collecte ... Full text Cite

Measurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at [Formula: see text] using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 Measurements of normalized differential cross-sections of top-quark pair production are presented as a function of the top-quark, [Formula: see text] system and event-level kinematic observables in proton-proton collisions at a centre-of-mass energy of [Fo ... Full text Cite

Search for minimal supersymmetric standard model Higgs Bosons H / A and for a [Formula: see text] boson in the [Formula: see text] final state produced in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article Eur Phys J C Part Fields · 2016 A search for neutral Higgs bosons of the minimal supersymmetric standard model (MSSM) and for a heavneutral [Formula: see text] boson is performed using a data sample corresponding to an integrated luminosity of 3.2 fb[Formula: see text] from proton-proton ... Full text Link to item Cite

Performance of pile-up mitigation techniques for jets in [Formula: see text] collisions at [Formula: see text] TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 The large rate of multiple simultaneous proton-proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. This paper describes the me ... Full text Cite

Luminosity determination in pp collisions at [Formula: see text] = 8 TeV using the ATLAS detector at the LHC.

Journal Article Eur Phys J C Part Fields · 2016 The luminosity determination for the ATLAS detector at the LHC during pp collisions at [Formula: see text] 8 TeV in 2012 is presented. The evaluation of the luminosity scale is performed using several luminometers, and comparisons between these luminosity ... Full text Link to item Cite

Measurement of the total cross section from elastic scattering in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2016 A measurement of the total pp cross section at the LHC at s=8 TeV is presented. An integrated luminosity of 500 μb−1 was accumulated in a special run with high-β⋆ beam optics to measure the differential elastic cross section as a function of the Mandelstam ... Full text Cite

Test of CP invariance in vector-boson fusion production of the Higgs boson using the Optimal Observable method in the ditau decay channel with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2016 A test of CP invariance in Higgs boson production via vector-boson fusion using the method of the Optimal Observable is presented. The analysis exploits the decay mode of the Higgs boson into a pair of [Formula: see text] leptons and is based on 20. ... Full text Cite

Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run-1 data.

Journal Article Eur Phys J C Part Fields · 2016 The algorithms used by the ATLAS Collaboration to reconstruct and identify prompt photons are described. Measurements of the photon identification efficiencies are reported, using 4.9 fb[Formula: see text] of pp collision data collected at the LHC at [Form ... Full text Link to item Cite

Measurement of the [Formula: see text] dijet cross section in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article Eur Phys J C Part Fields · 2016 The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in proton-proton collisions with a centre-of-mass energy of [Formula: see text] TeV, using the ATLAS detector at the LHC. The data used correspond to an integrated ... Full text Link to item Cite

Search for squarks and gluinos in events with hadronically decaying tau leptons, jets and missing transverse momentum in proton-proton collisions at [Formula: see text] TeV recorded with the ATLAS detector.

Journal Article Eur Phys J C Part Fields · 2016 A search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying tau lepton has been performed using 3.2 fb[Formula: see text] of proton-proton collision data at [Formula: see text] recorded by the A ... Full text Link to item Cite

Search for the Higgs boson produced in association with a W boson and decaying to four b-quarks via two spin-zero particles in pp collisions at 13 TeV with the ATLAS detector.

Journal Article Eur Phys J C Part Fields · 2016 This paper presents a dedicated search for exotic decays of the Higgs boson to a pair of new spin-zero particles, [Formula: see text], where the particle a decays to b-quarks and has a mass in the range of 20-60 GeV. The search is performed in events where ... Full text Link to item Cite

Search for pair production of a new heavy quark that decays into a W boson and a light quark in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · December 22, 2015 A search is presented for pair production of a new heavy quark (Q) that decays into a W boson and a light quark (q) in the final state where one W boson decays leptonically (to an electron or muon plus a neutrino) and the other W boson decays hadronically. ... Full text Cite

Measurement of the branching ratio Γ(Λb0→ψ(2S)Λ0)/Γ(Λb0→J/ψΛ0) with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 17, 2015 An observation of the Λb0→ψ(2S)Λ0 decay and a comparison of its branching fraction with that of the Λb0→J/ψΛ0 decay has been made with the ATLAS detector in proton–proton collisions at s=8 TeV at the LHC using an integrated luminosity of 20.6 fb−1. The J/ψ ... Full text Cite

Measurement of the production of neighbouring jets in lead-lead collisions at √sNN=2.76 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 17, 2015 This Letter presents measurements of correlated production of nearby jets in Pb+Pb collisions at √sNN=2.76 TeV using the ATLAS detector at the Large Hadron Collider. The measurement was performed using 0.14 nb-1 of data recorded in 2011. The production of ... Full text Cite

Search for nonpointing and delayed photons in the diphoton and missing transverse momentum final state in 8 TeV pp collisions at the LHC using the ATLAS detector SEARCH for NONPOINTING and DELAYED PHOTONS in ⋯ G. AAD et al.

Journal Article Zeitschrift fur Antikes Christentum · December 1, 2015 © 2014 CERN. © 2014 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the »http://creativecommons.org/licenses/by/3.0/» Creative Commons Attribution 3.0 License. Further distribution of this work must maintain ... Full text Cite

Search for high-mass diboson resonances with boson-tagged jets in proton-proton collisions at √s = 8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2015 Abstract: A search is performed for narrow resonances decaying into WW, WZ, or ZZ boson pairs using 20.3 fb−1 of proton-proton collision data at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV recorded with the ATLAS detector at the Large Hadron Collide ... Full text Cite

Search for flavour-changing neutral current top quark decays t → Hq in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2015 Abstract: A search for flavour-changing neutral current decays of a top quark to an uptype quark (q = u, c) and the Standard Model Higgs boson, where the Higgs boson decays to(Formula Presented.), is presented. The analysis searches for top quark pair even ... Full text Cite

Measurement of four-jet differential cross sections in √s=8 TeV proton-proton collisions using the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2015 Differential cross sections for the production of at least four jets have been measured in proton-proton collisions at (Formula presented.) TeV at the Large Hadron Collider using the ATLAS detector. Events are selected if the four anti-ktR = 0.4 jets with ... Full text Cite

Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector.

Journal Article Physical review letters · December 2015 With an integrated luminosity of 2.47  fb(-1) recorded by the ATLAS experiment at the LHC, the exclusive decays B(s)(0)→J/ψϕ and B(d)(0)→J/ψK(*0) of B mesons produced in pp collisions at √s=7  TeV are used to determine the ratio of fragmentation fractions ... Full text Cite

Measurement of colour flow with the jet pull angle in tt- events using the ATLAS detector at √s=8 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 12, 2015 The distribution and orientation of energy inside jets is predicted to be an experimental handle on colour connections between the hard-scatter quarks and gluons initiating the jets. This Letter presents a measurement of the distribution of one such variab ... Full text Cite

Measurement of transverse energy-energy correlations in multi-jet events in pp collisions at s=7 TeV using the ATLAS detector and determination of the strong coupling constant as(mZ)

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 12, 2015 High transverse momentum jets produced in pp collisions at a centre of mass energy of 7 TeV are used to measure the transverse energy-energy correlation function and its associated azimuthal asymmetry. The data were recorded with the ATLAS detector at the ... Full text Cite

Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · November 5, 2015 Searches for both resonant and nonresonant Higgs boson pair production are performed in the hh→bbττ, γγWW∗ final states using 20.3 fb-1 of pp collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the Large Hadron Collider. ... Full text Cite

Search for new light gauge bosons in Higgs boson decays to four-lepton final states in pp collisions at s =8 TeV with the ATLAS detector at the LHC

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · November 3, 2015 This paper presents a search for Higgs bosons decaying to four leptons, either electrons or muons, via one or two light exotic gauge bosons Zd, H→ZZd→4 or H→ZdZd→4. The search was performed using pp collision data corresponding to an integrated luminosity ... Full text Cite

Measurement of the tt¯W and tt¯Z production cross sections in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2015 Abstract: The production cross sections of top-quark pairs in association with massive vector bosons have been measured using data from pp collisions at √s = 8 TeV. The dataset corresponds to an integrated luminosity of 20.3 fb−1 collected by the ATLAS det ... Full text Cite

Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2015 Abstract: The ATLAS experiment at the LHC has measured the Higgs boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to 4.7 fb−1 of pp collision data at−1at TeV. In the current study ... Full text Cite

Search for lepton-flavour-violating H → μτ decays of the Higgs boson with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2015 A direct search for lepton-flavour-violating H → μτ decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. The analysis is performed in the H → μτhad channel, where τhad is a hadronically decaying τ -lepton. The sear ... Full text Cite

Z boson production in p+Pb collisions at s NN =5.02 TeV measured with the ATLAS detector

Journal Article Physical Review C - Nuclear Physics · October 30, 2015 The ATLAS Collaboration measures the inclusive production of Z bosons via their decays into electron and muon pairs in p+Pb collisions at sNN=5.02TeV at the Large Hadron Collider. The measurements are made using data corresponding to integrated luminositie ... Full text Cite

Measurement of differential J/ψ production cross sections and forward-backward ratios in p + Pb collisions with the ATLAS detector

Journal Article Physical Review C - Nuclear Physics · October 14, 2015 Measurements of differential cross sections for J/ψ production in p + Pb collisions at (√SNN at the CERN Large Hadron Collider with the ATLAS detector are presented. The data set used corresponds to an integrated luminosity of 28.1 nb−1. The J/ψ mesons are ... Full text Cite

Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · October 13, 2015 Many extensions of the Standard Model posit the existence of heavy particles with long lifetimes. This article presents the results of a search for events containing at least one long-lived particle that decays at a significant distance from its production ... Full text Cite

Measurement of exclusive γγ→ℓ+ production in proton–proton collisions at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 7, 2015 This Letter reports a measurement of the exclusive γγ→ℓ+ℓ− (ℓ=e, μ) cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV by the ATLAS experiment at the LHC, based on an integrated luminosity of 4.6 fb−1. For the electron or muon pa ... Full text Cite

Search for the associated production of the Higgs boson with a top quark pair in multilepton final states with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 7, 2015 A search for the associated production of the Higgs boson with a top quark pair is performed in multilepton final states using 20.3 fb−1 of proton–proton collision data recorded by the ATLAS experiment at s=8 TeV at the Large Hadron Collider. Five final st ... Full text Cite

Determination of the top-quark pole mass using tt¯tt¯ + 1-jet events collected with the ATLAS experiment in 7 TeV pp collisions

Journal Article Journal of High Energy Physics · October 1, 2015 Abstract: The normalized differential cross section for top-quark pair production in association with at least one jet is studied as a function of the inverse of the invariant mass of the tt¯(Formula presented.) + 1-jet system. This distribution can be use ... Full text Cite

Summary of the ATLAS experiment’s sensitivity to supersymmetry after LHC Run 1 — interpreted in the phenomenological MSSM

Journal Article Journal of High Energy Physics · October 1, 2015 Abstract: A summary of the constraints from the ATLAS experiment on R-parity-conserving supersymmetry is presented. Results from 22 separate ATLAS searches are considered, each based on analysis of up to 20.3 fb−1 of proton-proton collision data at centre- ... Full text Cite

Summary of the searches for squarks and gluinos using √s = 8 TeV pp collisions with the ATLAS experiment at the LHC

Journal Article Journal of High Energy Physics · October 1, 2015 Abstract: A summary is presented of ATLAS searches for gluinos and first- and second-generation squarks in final states containing jets and missing transverse momentum, with or without leptons or b-jets, in the s=8$$ \sqrt{s}=8 $$ TeV data set collected at ... Full text Cite

Analysis of events with b-jets and a pair of leptons of the same charge in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2015 An analysis is presented of events containing jets including at least one b-tagged jet, sizeable missing transverse momentum, and at least two leptons including a pair of the same electric charge, with the scalar sum of the jet and lepton transverse moment ... Full text Cite

Erratum : Measurement of the inclusive jet cross-section in proton-proton collisions at √s = 7 TeV using 4.5 fb−1 of data with the ATLAS detector

Journal Article Journal of High Energy Physics · September 29, 2015 Abstract: It was found that the non-perturbative corrections calculated using Pythia with the Perugia 2011 tune did not include the effect of the underlying event. The affected correction factors were recomputed using the Pythia 6.427 generator. These corr ... Full text Cite

Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC

Journal Article Journal of High Energy Physics · September 26, 2015 Charged-particle spectra obtained in Pb+Pb interactions at (Formula presented.) and pp interactions at (Formula presented.) with the ATLAS detector at the LHC are presented, using data with integrated luminosities of 0.15 nb−1 and 4.2 pb−1, respectively, i ... Full text Cite

Measurement of the forward-backward asymmetry of electron and muon pair-production in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 26, 2015 This paper presents measurements from the ATLAS experiment of the forward-backward asymmetry in the reaction pp → Z/γ* → l+l−, with l being electrons or muons, and the extraction of the effective weak mixing angle. The results are based on the full set of ... Full text Cite

Search for heavy lepton resonances decaying to a Z boson and a lepton in pp collisions at s√=8

Journal Article Journal of High Energy Physics · September 26, 2015 A search for heavy leptons decaying to a Z boson and an electron or a muon is presented. The search is based on pp collision data taken at (Formula presented.) = 8 TeV by the ATLAS experiment at the CERN Large Hadron Collider, corresponding to an integrate ... Full text Cite

Modelling Z ττ processes in ATLAS with τ-embedded Z μμ data

Journal Article Journal of Instrumentation · September 15, 2015 This paper describes the concept, technical realisation and validation of a largely data-driven method to model events with Zττ decays. In Zμμ events selected from proton-proton collision data recorded at s=8 TeV with the ATLAS experiment at the LHC in 201 ... Full text Cite

Towards an understanding of the correlations in jet substructure: Report of BOOST2013, hosted by the University of Arizona, 12th–16th of August 2013

Journal Article European Physical Journal C · September 13, 2015 Over the past decade, a large number of jet substructure observables have been proposed in the literature, and explored at the LHC experiments. Such observables attempt to utilize the internal structure of jets in order to distinguish those initiated by qu ... Full text Cite

Centrality and rapidity dependence of inclusive jet production in √sNN =5 .02 TeV proton–lead collisions with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 2, 2015 Measurements of the centrality and rapidity dependence of inclusive jet production in sNN=5.02 TeV proton–lead (p+Pb) collisions and the jet cross-section in s=2.76 TeV proton–proton collisions are presented. These quantities are measured in datasets corre ... Full text Cite

Search for Dark Matter in Events with Missing Transverse Momentum and a Higgs Boson Decaying to Two Photons in pp Collisions at sqrt[s]=8 TeV with the ATLAS Detector.

Journal Article Physical review letters · September 2015 Results of a search for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons are reported. Data from proton-proton collisions at a center-of-mass energy of 8 TeV and corresponding to an integrated luminos ... Full text Cite

Search for production of vector-like quark pairs and of four top quarks in the lepton-plus-jets final state in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 31, 2015 A search for pair production of vector-like quarks, both up-type (T) and down-type (B), as well as for four-top-quark production, is presented. The search is based on pp collisions at (Formula presented.) TeV recorded in 2012 with the ATLAS detector at the ... Full text Cite

Search for high-mass diphoton resonances in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · August 14, 2015 This article describes a search for high-mass resonances decaying to a pair of photons using a sample of 20.3 fb-1 of pp collisions at s=8 TeV recorded with the ATLAS detector at the Large Hadron Collider. The data are found to be in agreement with the Sta ... Full text Cite

Search for new phenomena in events with three or more charged leptons in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 14, 2015 Abstract: A generic search for anomalous production of events with at least three charged leptons is presented. The data sample consists of pp collisions at √s=8 TeV collected in 2012 by the ATLAS experiment at the CERN Large Hadron Collider, and correspon ... Full text Cite

A search for tt resonances using lepton-plus-jets events in proton-proton collisions at √s=8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 14, 2015 Abstract: A search for new particles that decay into top quark pairs is reported. The search is performed with the ATLAS experiment at the LHC using an integrated luminosity of 20.3 fb−1 of proton-proton collision data collected at a centre-of-mass energy ... Full text Cite

Study of (W/Z)H production and Higgs boson couplings using H→ W W decays with the ATLAS detector

Journal Article Journal of High Energy Physics · August 14, 2015 Abstract: A search for Higgs boson production in association with a W or Z boson, in the H→ W W∗ decay channel, is performed with a data sample collected with the ATLAS detector at the LHC in proton-proton collisions at centre-of-mass energies √s=7$$ \sqrt ... Full text Cite

Search for type-III seesaw heavy leptons in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · August 3, 2015 A search for the pair production of heavy leptons (N0,L±) predicted by the type-III seesaw theory formulated to explain the origin of small neutrino masses is presented. The decay channels N0→W±l (=e,μ,τ) and L±→W±ν (ν=νe,νμ,ντ) are considered. The analysi ... Full text Cite

Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the H→γγ and H→ZZ^{*}→4ℓ Decay Channels at sqrt[s]=8  TeV with the ATLAS Detector.

Journal Article Physical review letters · August 2015 Measurements of the total and differential cross sections of Higgs boson production are performed using 20.3  fb^{-1} of pp collisions produced by the Large Hadron Collider at a center-of-mass energy of sqrt[s]=8  TeV and recorded by the ATLAS detector. Cr ... Full text Cite

Search for low-scale gravity signatures in multi-jet final states with the ATLAS detector at √s = 8TeV

Journal Article Journal of High Energy Physics · July 23, 2015 A search for evidence of physics beyond the Standard Model in final states with multiple high-transverse-momentum jets is performed using 20.3 fb−1 of proton-proton collision data at (Formula presented.) = 8 TeV recorded by the ATLAS detector at the LHC. N ... Full text Cite

Search for long-lived, weakly interacting particles that decay to displaced hadronic jets in proton-proton collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 17, 2015 A search for the decay of neutral, weakly interacting, long-lived particles using data collected by the ATLAS detector at the LHC is presented. This analysis uses the full data set recorded in 2012: 20.3 fb-1 of proton-proton collision data at s=8 TeV. The ... Full text Cite

Observation and measurement of Higgs boson decays to WWwith the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 16, 2015 We report the observation of Higgs boson decays to WW∗based on an excess over background of 6.1 standard deviations in the dilepton final state, where the Standard Model expectation is 5.8 standard deviations. Evidence for the vector-boson fusion (VBF) pro ... Full text Cite

A search for high-mass resonances decaying to τ+τ in pp collisions at √s =8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · July 6, 2015 Abstract: A search for high-mass resonances decaying into τ+τ− final states using proton-proton collisions at s=8$$ \sqrt{s}=8 $$ TeV produced by the Large Hadron Collider is presented. The data were recorded with the ATLAS detector and correspond to an in ... Full text Cite

Search for heavy Majorana neutrinos with the ATLAS detector in pp collisions at √s = 8 TeV

Journal Article Journal of High Energy Physics · July 5, 2015 Abstract: A search for heavy Majorana neutrinos in events containing a pair of high-pT leptons of the same charge and high-pT jets is presented. The search uses 20.3 fb−1 of pp collision data collected with the ATLAS detector at the CERN Large Hadron Colli ... Full text Cite

Evidence of Wγγ Production in pp Collisions at sqrt[s]=8  TeV and Limits on Anomalous Quartic Gauge Couplings with the ATLAS Detector.

Journal Article Physical review letters · July 2015 This Letter reports evidence of triple gauge boson production pp→W(ℓν)γγ+X, which is accessible for the first time with the 8 TeV LHC data set. The fiducial cross section for this process is measured in a data sample corresponding to an integrated luminosi ... Full text Cite

Search for a Heavy Neutral Particle Decaying to eμ, eτ, or μτ in pp Collisions at sqrt[s]=8  TeV with the ATLAS Detector.

Journal Article Physical review letters · July 2015 This Letter presents a search for a heavy neutral particle decaying into an opposite-sign different-flavor dilepton pair, e^{±}μ^{∓}, e^{±}τ^{∓}, or μ^{±}τ^{∓} using 20.3  fb^{-1} of pp collision data at sqrt[s]=8  TeV collected by the ATLAS detector at th ... Full text Cite

Differential top-antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at √s = 7 TeV in the ATLAS detector

Journal Article Journal of High Energy Physics · June 29, 2015 Abstract: Various differential cross-sections are measured in top-quark pair (tt) events produced in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV at the LHC with the ATLAS detector. These differential cross-sections are presented in a ... Full text Cite

Measurement of the top pair production cross section in 8 TeV proton-proton collisions using kinematic information in the lepton + jets final state with ATLAS

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 24, 2015 A measurement is presented of the (formula presented) inclusive production cross section in pp collisions at a center-of-mass energy of (formula presented) using data collected by the ATLAS detector at the CERN Large Hadron pffiffi Collider. The measuremen ... Full text Cite

Search for vectorlike B quarks in events with one isolated lepton, missing transverse momentum, and jets at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 19, 2015 A search has been performed for pair production of heavy vectorlike down-type (B) quarks. The analysis explores the lepton-plus-jets final state, characterized by events with one isolated charged lepton (electron or muon), significant missing transverse mo ... Full text Cite

Search for New Phenomena in Dijet Angular Distributions in Proton-Proton Collisions at sqrt[s]=8 TeV Measured with the ATLAS Detector.

Journal Article Physical review letters · June 2015 A search for new phenomena in LHC proton-proton collisions at a center-of-mass energy of sqrt[s]=8 TeV was performed with the ATLAS detector using an integrated luminosity of 17.3 fb^{-1}. The angular distributions are studied in events with at least two j ... Full text Cite

Search for a Charged Higgs Boson Produced in the Vector-Boson Fusion Mode with Decay H(±)→W(±)Z using pp Collisions at √s=8  TeV with the ATLAS Experiment.

Journal Article Physical review letters · June 2015 A search for a charged Higgs boson, H(±), decaying to a W(±) boson and a Z boson is presented. The search is based on 20.3  fb(-1) of proton-proton collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. The H(±) bos ... Full text Cite

Measurement of the charge asymmetry in dileptonic decays of top quark pairs in pp collisions at √s = 7 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · May 22, 2015 A measurement of the top-antitop (tt¯) charge asymmetry is presented using data corresponding to an integrated luminosity of 4.6 fb−1 of LHC pp collisions at a centreof-mass energy of 7 TeV collected by the ATLAS detector. Events with two charged leptons, ... Full text Cite

Search for a CP-odd Higgs boson decaying to Zh in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 11, 2015 A search for a heavy, CP-odd Higgs boson, A, decaying into a Z boson and a 125 GeV Higgs boson, h, with the ATLAS detector at the LHC is presented. The search uses proton–proton collision data at a centre-of-mass energy of 8 TeV corresponding to an integra ... Full text Cite

Combined Measurement of the Higgs Boson Mass in pp Collisions at sqrt[s]=7 and 8 TeV with the ATLAS and CMS Experiments.

Journal Article Physical review letters · May 2015 A measurement of the Higgs boson mass is presented based on the combined data samples of the ATLAS and CMS experiments at the CERN LHC in the H→γγ and H→ZZ→4ℓ decay channels. The results are obtained from a simultaneous fit to the reconstructed invariant m ... Full text Cite

Observation of top-quark pair production in association with a photon and measurement of the t t ¯ γ production cross section in pp collisions at √s =7 TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · April 28, 2015 A search is performed for top-quark pairs (tt¯) produced together with a photon (γ) with transverse energy greater than 20 GeV using a sample of tt¯ candidate events in final states with jets, missing transverse momentum, and one isolated electron or muon. ... Full text Cite

Search for W ′ → t b ¯ in the lepton plus jets final state in proton–proton collisions at a centre-of-mass energy of s = 8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 9, 2015 A search for new charged massive gauge bosons, called W′, is performed with the ATLAS detector at the LHC, in proton–proton collisions at a centre-of-mass energy of s=8 TeV, using a dataset corresponding to an integrated luminosity of 20.3 fb−1. This analy ... Full text Cite

Search for pair-produced long-lived neutral particles decaying to jets in the ATLAS hadronic calorimeter in pp collisions at s=8TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 9, 2015 The ATLAS detector at the Large Hadron Collider at CERN is used to search for the decay of a scalar boson to a pair of long-lived particles, neutral under the Standard Model gauge group, in 20.3fb-1 of data collected in proton-proton collisions at s=8TeV. ... Full text Cite

Search for squarks and gluinos in events with isolated leptons, jets and missing transverse momentum at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2015 The results of a search for supersymmetry in final states containing at least one isolated lepton (electron or muon), jets and large missing transverse momentum with the ATLAS detector at the Large Hadron Collider are reported. The search is based on proto ... Full text Cite

Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2015 Abstract: Results of a search for H → ττ decays are presented, based on the full set of proton-proton collision data recorded by the ATLAS experiment at the LHC during 2011 and 2012. The data correspond to integrated luminosities of 4.5 fb−1 and 20.3 fb−1 ... Full text Cite

Search for Scalar Charm Quark Pair Production in pp Collisions at sqrt[s]=8  TeV with the ATLAS Detector.

Journal Article Physical review letters · April 2015 The results of a dedicated search for pair production of scalar partners of charm quarks are reported. The search is based on an integrated luminosity of 20.3  fb^{-1} of pp collisions at sqrt[s]=8  TeV recorded with the ATLAS detector at the LHC. The sear ... Full text Cite

Measurement of spin correlation in top-antitop quark events and search for top squark pair production in pp collisions at √s=8  TeV using the ATLAS detector.

Journal Article Physical review letters · April 2015 A measurement of spin correlation in tt[over ¯] production is presented using data collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of ... Full text Cite

Search for charged Higgs bosons decaying via H± → τ±ν in fully hadronic final states using pp collision data at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · March 17, 2015 Abstract: The results of a search for charged Higgs bosons decaying to a τ lepton and a neutrino, H± → τ±ν, are presented. The analysis is based on 19.5 fb−1 of proton-proton collision data at s$$ \sqrt{s} $$ = 8 TeV collected by the ATLAS experiment at th ... Full text Cite

Search for new phenomena in the dijet mass distribution using pp collision data at √s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 9, 2015 Dijet events produced in LHC proton-proton collisions at a center-of-mass energy s=8 TeV are studied with the ATLAS detector using the full 2012 data set, with an integrated luminosity of 20.3 fb-1. Dijet masses up to about 4.5 TeV are probed. No resonance ... Full text Cite

Simultaneous measurements of the tt¯, W+W-, and Z/γ∗ →ττ production cross-sections in pp collisions at √s =7 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 6, 2015 Simultaneous measurements of the tt¯, W+W-, and Z/γ∗→ττ production cross-sections using an integrated luminosity of 4.6 fb-1 of pp collisions at √s=7 TeV collected by the ATLAS detector at the LHC are presented. Events are selected with two high transverse ... Full text Cite

Search for Higgs and Z Boson Decays to J/ψγ and ϒ(nS)γ with the ATLAS Detector.

Journal Article Physical review letters · March 2015 A search for the decays of the Higgs and Z bosons to J/ψγ and ϒ(nS)γ (n=1,2,3) is performed with pp collision data samples corresponding to integrated luminosities of up to 20.3  fb^{-1} collected at sqrt[s]=8  TeV with the ATLAS detector at the CERN Large ... Full text Cite

Measurement of the transverse polarization of Λ and Λ ¯ hyperons produced in proton-proton collisions at √s = 7 TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · February 9, 2015 The transverse polarization of Λ and Λ¯ hyperons produced in proton-proton collisions at a center-of-mass energy of 7 TeV is measured. The analysis uses 760 μb-1 of minimum bias data collected by the ATLAS detector at the LHC in the year 2010. The measured ... Full text Cite

Measurements of the Nuclear Modification Factor for Jets in Pb+Pb Collisions at √(s)NN]=2.76  TeV with the ATLAS detector.

Journal Article Physical review letters · February 2015 Measurements of inclusive jet production are performed in pp and Pb+Pb collisions at √(s)NN=2.76  TeV with the ATLAS detector at the LHC, corresponding to integrated luminosities of 4.0 and 0.14  nb(-1), respectively. The jets are identified with the anti- ... Full text Cite

Search for Higgs boson pair production in the γγbb[over ¯] final state using pp collision data at sqrt[s]=8  TeV from the ATLAS detector.

Journal Article Physical review letters · February 2015 Searches are performed for resonant and nonresonant Higgs boson pair production in the γγbb[over ¯] final state using 20  fb^{-1} of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Coll ... Full text Cite

Measurement of the inclusive jet cross-section in proton-proton collisions at √s=7 TeV using 4.5 fb−1 of data with the ATLAS detector

Journal Article Journal of High Energy Physics · February 1, 2015 Abstract: The inclusive jet cross-section is measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using a data set corresponding to an integrated luminosity of 4.5 fb−1 collected with the ATLAS detector at the Large Hadron Collider in 2 ... Full text Cite

Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at √s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 27, 2015 Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the LHC are reported. Data were collected in proton-proton collisions at a center-of-mass energy of 8 TeV and corres ... Full text Cite

Measurements of Higgs boson production and couplings in the four-lepton channel in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 16, 2015 The final ATLAS Run 1 measurements of Higgs boson production and couplings in the decay channel H → ZZ∗ → l+l-l'+l'-, where l, l' = e or μ, are presented. These measurements were performed using pp collision data corresponding to integrated luminosities of ... Full text Cite

Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev

Journal Article Journal of High Energy Physics · January 14, 2015 Abstract: Searches for heavy long-lived charged particles are performed using a data sample of 19.1 fb−1 from proton-proton collisions at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV collected by the ATLAS detector at the Large Hadron Collider. No ex ... Full text Cite

Measurement of the tt¯ production cross-section as a function of jet multiplicity and jet transverse momentum in 7 TeV proton-proton collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · January 8, 2015 Abstract: The tt¯$$ t\overline{t} $$ production cross-section dependence on jet multiplicity and jet transverse momentum is reported for proton-proton collisions at a centre-of-mass energy of 7 TeV in the single-lepton channel. The data were collected with ... Full text Cite

Search for s-channel single top-quark production in proton-proton collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 5, 2015 This Letter presents a search at the LHC for s-channel single top-quark production in proton-proton collisions at a centre-of-mass energy of 8 TeV. The analyzed data set was recorded by the ATLAS detector and corresponds to an integrated luminosity of 20.3 ... Full text Cite

Search for the Xb and other hidden-beauty states in the π+πϒ(1S) channel at ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 5, 2015 This Letter presents a search for a hidden-beauty counterpart of the X(3872) in the mass ranges of 10.05–10.31 GeV and 10.40–11.00 GeV, in the channel Xb→π+π−ϒ(1S)(→μ+μ−), using 16.2 fb−1 of s=8 TeV pp collision data collected by the ATLAS detector at the ... Full text Cite

Search for H→γγ produced in association with top quarks and constraints on the Yukawa coupling between the top quark and the Higgs boson using data taken at 7 TeV and 8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 5, 2015 A search is performed for Higgs bosons produced in association with top quarks using the diphoton decay mode of the Higgs boson. Selection requirements are optimized separately for leptonic and fully hadronic final states from the top quark decays. The dat ... Full text Cite

Jet energy measurement and its systematic uncertainty in proton-proton collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton-proton collision data with a centre-of-mass energy of [Formula: see text] TeV corresponding to an integrated luminosity of [Form ... Full text Cite

Search for the b¯b decay of the Standard Model Higgs boson in associated (W/Z)H production with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2015 Abstract: A search for the (Formula presented.) decay of the Standard Model Higgs boson is performed with the ATLAS experiment using the full dataset recorded at the LHC in Run 1. The integrated luminosities used are 4.7 and 20.3 fb−1 from pp collisions at ... Full text Cite

Measurement of the production and lepton charge asymmetry of [Formula: see text] bosons in Pb+Pb collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A measurement of [Formula: see text] boson production in lead-lead collisions at [Formula: see text] is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14 [F ... Full text Cite

Performance of the ATLAS muon trigger in pp collisions at [Formula: see text] TeV.

Journal Article The European physical journal. C, Particles and fields · January 2015 The performance of the ATLAS muon trigger system is evaluated with proton-proton collision data collected in 2012 at the Large Hadron Collider at a centre-of-mass energy of 8 TeV. It is primarily evaluated using events containing a pair of muons from the d ... Full text Cite

Search for dark matter in events with heavy quarks and missing transverse momentum in [Formula: see text] collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 This article reports on a search for dark matter pair production in association with bottom or top quarks in [Formula: see text] of [Formula: see text] collisions collected at [Formula: see text] TeV by the ATLAS detector at the LHC. Events with large miss ... Full text Cite

Search for anomalous production of prompt same-sign lepton pairs and pair-produced doubly charged Higgs bosons with s =8 TeV pp collisions using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2015 Abstract: A low-background inclusive search for new physics in events with same-sign dileptons is presented. The search uses proton-proton collisions corresponding to 20.3 fb−1 of integrated luminosity taken in 2012 at a centre-of-mass energy of 8 TeV with ... Full text Cite

Measurements of the [Formula: see text] production cross sections in association with jets with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 This paper presents cross sections for the production of a [Formula: see text] boson in association with jets, measured in proton-proton collisions at [Formula: see text] with the ATLAS experiment at the large hadron collider. With an integrated luminosity ... Full text Cite

Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for the production of single-top-quarks in association with missing energy is performed in proton-proton collisions at a centre-of-mass energy of [Formula: see text] with the ATLAS experiment at the large hadron collider using data collected in 20 ... Full text Cite

Search for resonant diboson production in the [Formula: see text] final state in [Formula: see text] collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 This paper reports on a search for narrow resonances in diboson production in the [Formula: see text] final state using [Formula: see text] collision data corresponding to an integrated luminosity of [Formula: see text] fb[Formula: see text] collected at [ ... Full text Cite

Measurement of the W W + W Z cross section and limits on anomalous triple gauge couplings using final states with one lepton, missing transverse momentum, and two jets with the ATLAS detector at √s = 7 TeV

Journal Article Journal of High Energy Physics · January 1, 2015 Abstract: The production of a W boson decaying to eν or μν in association with a W or Z boson decaying to two jets is studied using 4.6 fb−1 of proton-proton collision data at √s =7 TeV recorded with the ATLAS detector at the LHC. The combined WW + WZ cros ... Full text Cite

Search for production of [Formula: see text] resonances decaying to a lepton, neutrino and jets in [Formula: see text] collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search is presented for narrow diboson resonances decaying to [Formula: see text] or [Formula: see text] in the final state where one [Formula: see text] boson decays leptonically (to an electron or a muon plus a neutrino) and the other [Formula: see tex ... Full text Cite

Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in [Formula: see text] TeV [Formula: see text] collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search is presented for the direct pair production of a chargino and a neutralino [Formula: see text], where the chargino decays to the lightest neutralino and the [Formula: see text] boson, [Formula: see text], while the neutralino decays to the lightes ... Full text Cite

Search for [Formula: see text] decays in [Formula: see text] collisions at [Formula: see text] = 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for a massive [Formula: see text] gauge boson decaying to a top quark and a bottom quark is performed with the ATLAS detector in [Formula: see text] collisions at the LHC. The dataset was taken at a centre-of-mass energy of [Formula: see text] and ... Full text Cite

Determination of spin and parity of the Higgs boson in the [Formula: see text] decay channel with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 Studies of the spin and parity quantum numbers of the Higgs boson in the [Formula: see text] final state are presented, based on proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated lumin ... Full text Cite

Measurement of three-jet production cross-sections in [Formula: see text] collisions at 7 [Formula: see text] centre-of-mass energy using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 Double-differential three-jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of [Formula: see text] using the ATLAS detector at the large hadron collider. The measurements are presented as a function of the th ... Full text Cite

Observation and measurements of the production of prompt and non-prompt [Formula: see text] mesons in association with a [Formula: see text] boson in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 The production of a [Formula: see text] boson in association with a [Formula: see text] meson in proton-proton collisions probes the production mechanisms of quarkonium and heavy flavour in association with vector bosons, and allows studies of multiple par ... Full text Cite

Measurement of the top-quark mass in the fully hadronic decay channel from ATLAS data at [Formula: see text].

Journal Article The European physical journal. C, Particles and fields · January 2015 The mass of the top quark is measured in a data set corresponding to 4.6 [Formula: see text] of proton-proton collisions with centre-of-mass energy [Formula: see text] TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic decays o ... Full text Cite

Search for a new resonance decaying to a W or Z boson and a Higgs boson in the [Formula: see text] final states with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for a new resonance decaying to a W or Z boson and a Higgs boson in the [Formula: see text] final states is performed using 20.3 fb[Formula: see text] of pp collision data recorded at [Formula: see text] 8 TeV with the ATLAS d ... Full text Cite

Search for massive supersymmetric particles decaying to many jets using the ATLAS detector in pp collisions at s =8 TeV

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2015 Results of a search for decays of massive particles to fully hadronic final states are presented. This search uses 20.3 fb-1 of data collected by the ATLAS detector in s=8 TeV proton-proton collisions at the LHC. Signatures based on high jet multiplicities ... Full text Cite

Search for supersymmetry in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in [Formula: see text] TeV pp collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 Two searches for supersymmetric particles in final states containing a same-flavour opposite-sign lepton pair, jets and large missing transverse momentum are presented. The proton-proton collision data used in these searches were collected at a centre-of-m ... Full text Cite

Search for new phenomena in final states with an energetic jet and large missing transverse momentum in pp collisions at [Formula: see text]TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses 20.3 fb[Formula: see text] of [Formula: see text] TeV data collected in 2012 with the ATLAS detector at the LHC. ... Full text Cite

Identification and energy calibration of hadronically decaying tau leptons with the ATLAS experiment in pp collisions at [Formula: see text][Formula: see text].

Journal Article The European physical journal. C, Particles and fields · January 2015 This paper describes the trigger and offline reconstruction, identification and energy calibration algorithms for hadronic decays of tau leptons employed for the data collected from pp collisions in 2012 with the ATLAS detector at the LHC center-of- ... Full text Cite

Constraints on the off-shell Higgs boson signal strength in the high-mass ZZ and WW final states with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 Measurements of the ZZ and WW final states in the mass range above the [Formula: see text] and [Formula: see text] thresholds provide a unique opportunity to measure the off-shell coupling strength of the Higgs boson. This paper presents cons ... Full text Cite

Search for invisible decays of the Higgs boson produced in association with a hadronically decaying vector boson in pp collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for Higgs boson decays to invisible particles is performed using 20.3 [Formula: see text] of pp collision data at a centre-of-mass energy of 8 TeV recorded by the ATLAS detector at the Large Hadron Collider. The process considered is Higgs ... Full text Cite

Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for the Standard Model Higgs boson produced in association with a top-quark pair, [Formula: see text], is presented. The analysis uses 20.3 fb-1 of pp collision data at [Formula: see text], collected with the ATLAS detector at th ... Full text Cite

Search for heavy long-lived multi-charged particles in pp collisions at [Formula: see text] TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. Data collected in 2012 at [Formula: see text] TeV from pp collisions corresponding to an integrated luminosity of 20.3 fb[Formula: see text]are e ... Full text Cite

Search for higgs bosons decaying to aa in the µµττ final state in pp collisions at √s = 8 TeV with the ATLAS experiment

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2015 A search for the decay to a pair of new particles of either the 125 GeV Higgs boson (h) or a second charge parity (CP)-even Higgs boson (H) is presented. The data set corresponds to an integrated luminosity of 20.3 fb-1 of pp collisions at √s = 8 TeV recor ... Full text Cite

Measurement of the correlation between flow harmonics of different order in lead-lead collisions at √sNN = 2.76 TeV with the ATLAS detector

Journal Article Physical Review C - Nuclear Physics · January 1, 2015 Correlations between the elliptic or triangular flow coefficients vm (m = 2 or 3) and other flow harmonics vn (n = 2 to 5) are measured using √sNN = 2.76 TeV Pb + Pb collision data collected in 2010 by the ATLAS experiment at the LHC, corresponding to an i ... Full text Cite

Search for photonic signatures of gauge-mediated supersymmetry in 8 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2015 A search is presented for photonic signatures motivated by generalized models of gauge-mediated supersymmetry breaking. This search makes use of 20.3 fb-1 of proton-proton collision data at √s = 8 TeV recorded by the ATLAS detector at the LHC, and explores ... Full text Cite

Study of the spin and parity of the Higgs boson in diboson decays with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 Studies of the spin, parity and tensor couplings of the Higgs boson in the [Formula: see text], [Formula: see text] and [Formula: see text] decay processes at the LHC are presented. The investigations are based on [Formula: see text] of pp collision ... Full text Cite

Two-particle Bose-Einstein correlations in pp collisions at [Formula: see text] 0.9 and 7 TeV measured with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 The paper presents studies of Bose-Einstein Correlations (BEC) for pairs of like-sign charged particles measured in the kinematic range [Formula: see text] 100 MeV and [Formula: see text] 2.5 in proton collisions at centre-of-mass energies of 0.9 and 7 TeV ... Full text Cite

Search for Higgs boson pair production in the [Formula: see text] final state from pp collisions at [Formula: see text] TeVwith the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2015 A search for Higgs boson pair production [Formula: see text] is performed with 19.5 fb[Formula: see text] of proton-proton collision data at [Formula: see text] TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay ... Full text Cite

ATLAS Run 1 searches for direct pair production of third-generation squarks at the Large Hadron Collider.

Journal Article The European physical journal. C, Particles and fields · January 2015 This paper reviews and extends searches for the direct pair production of the scalar supersymmetric partners of the top and bottom quarks in proton-proton collisions collected by the ATLAS collaboration during the LHC Run 1. Most of the analyses use 20 [Fo ... Full text Cite

Search for metastable heavy charged particles with large ionisation energy loss in pp collisions at [Formula: see text] TeV using the ATLAS experiment.

Journal Article The European physical journal. C, Particles and fields · January 2015 Many extensions of the Standard Model predict the existence of charged heavy long-lived particles, such as R-hadrons or charginos. These particles, if produced at the Large Hadron Collider, should be moving non-relativistically and are therefore ide ... Full text Cite

Measurements of the top quark branching ratios into channels with leptons and quarks with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2015 Measurements of the branching ratios of top quark decays into leptons and jets using events with tt (top antitop) pairs are reported. Events were recorded with the ATLAS detector at the LHC in pp collisions at a center-of-mass energy of 7 TeV. The collecte ... Full text Cite

Measurements of spin correlation in top-antitop quark events from proton-proton collisions at √s =7 TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · December 24, 2014 Measurements of spin correlation in top quark pair production are presented using data collected with the ATLAS detector at the LHC with proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 4.6 fb-1. Ev ... Full text Cite

Measurement of Higgs boson production in the diphoton decay channel in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · December 24, 2014 A measurement of the production processes of the recently discovered Higgs boson is performed in the two-photon final state using 4.5 fb-1of proton-proton collisions data at √s = 7 TeV and 20.3 fb-1at √s = 8 TeV collected by the ATLAS detector at the Large ... Full text Cite

Measurement of inclusive jet charged-particle fragmentation functions in Pb+Pb collisions at √sNN=2.76 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 12, 2014 Measurements of charged-particle fragmentation functions of jets produced in ultra-relativistic nuclear collisions can provide insight into the modification of parton showers in the hot, dense medium created in the collisions. ATLAS has measured jets in sN ... Full text Cite

Comprehensive measurements of t-channel single top-quark production cross sections at √s=7 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · December 11, 2014 This article presents measurements of the t-channel single top-quark (t) and top-antiquark (t¯) total production cross sections σ(tq) and σ(t¯q), their ratio Rt=σ(tq)/σ(t¯q), and a measurement of the inclusive production cross section σ(tq+t¯q) in proton-p ... Full text Cite

ATLAS Collaboration

Journal Article Nuclear Physics A · December 1, 2014 Full text Cite

Measurement of the total cross section from elastic scattering in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Nuclear Physics B · December 1, 2014 A measurement of the total pp cross section at the LHC at s=7 TeV is presented. In a special run with high-β⋆ beam optics, an integrated luminosity of 80 μb−1 was accumulated in order to measure the differential elastic cross section as a function of the M ... Full text Cite

Search for pair and single production of new heavy quarks that decay to a Z boson and a third-generation quark in pp collisions at √ S = 8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 19, 2014 Abstract: A search is presented for the production of new heavy quarks that decay to a Z boson and a third-generation Standard Model quark. In the case of a new charge +2/3 quark (T ), the decay targeted is T → Zt, while the decay targeted for a new charge ... Full text Cite

Search for neutral Higgs bosons of the minimal supersymmetric standard model in pp collisions at vs= 8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · November 11, 2014 Abstract: A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is performed on data from proton-proton collisions at a centre-of-mass energy of 8 TeV collected with the ATLAS detector ... Full text Cite

Search for new resonances in Wγ and Zγ final states in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2014 This letter presents a search for new resonances decaying to final states with a vector boson produced in association with a high transverse momentum photon, Vγ with V=W(→ℓν) or Z(→ℓ+ℓ−), where ℓ=e or μ. The measurements use 20.3 fb−1 of proton–proton coll ... Full text Cite

Measurement of the cross section of high transverse momentum Z→bb¯ production in proton–proton collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2014 This Letter reports the observation of a high transverse momentum Z→bb¯ signal in proton–proton collisions at s=8 TeV and the measurement of its production cross section. The data analysed were collected in 2012 with the ATLAS detector at the LHC and corre ... Full text Cite

Search for the Standard Model Higgs boson decay to μ+μ with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 10, 2014 A search is reported for Higgs boson decay to μ+μ− using data with an integrated luminosity of 24.8 fb−1collected with the ATLAS detector in pp collisions at s=7and8 TeV at the CERN Large Hadron Collider. The observed dimuon invariant mass distribution is ... Full text Cite

Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article New Journal of Physics · November 4, 2014 This paper presents a measurement of the cross-section for high transverse momentum W and Z bosons produced in pp collisions and decaying to all-hadronic final states. The data used in the analysis were recorded by the ATLAS detector at the CERN Large Hadr ... Full text Cite

Observation of an excited Bc(±) meson state with the ATLAS detector.

Journal Article Physical review letters · November 2014 A search for excited states of the Bc(±) meson is performed using 4.9  fb(-1) of 7 TeV and 19.2  fb(-1) of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, wi ... Full text Cite

Search for top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in √ s = 8 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · November 1, 2014 The results of a search for top squark (stop) pair production in final states with one isolated lepton, jets, and missing transverse momentum are reported. The analysis is performed with proton-proton collision data at (Formula presented.) = 8 TeV collecte ... Full text Cite

Search for the lepton flavor violating decay Z → eμ in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · October 23, 2014 The ATLAS detector at the Large Hadron Collider is used to search for the lepton flavor violating process Z → eμ in pp collisions using 20.3 fb-1 of data collected at √s = 8 TeV. An enhancement in the eμ invariant mass spectrum is searched for at the Z-bos ... Full text Cite

Electron and photon energy calibration with the ATLAS detector using LHC Run 1 data

Journal Article European Physical Journal C · October 21, 2014 This paper presents the electron and photon energy calibration achieved with the ATLAS detector using about 25 fb-1 of LHC proton–proton collision data taken at centre-of-mass energies of (Equation Present) and 8 TeV. The reconstruction of electron and pho ... Full text Cite

Measurements of normalized differential cross sections for t¯t production in pp collisions at √(s) = 7 TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · October 13, 2014 Measurements of normalized differential cross sections for top-quark pair production are presented as a function of the top-quark transverse momentum, and of the mass, transverse momentum, and rapidity of the t¯t system, in proton-proton collisions at a ce ... Full text Cite

Measurement of long-range pseudorapidity correlations and azimuthal harmonics in √sNN =5.02 TeV proton-lead collisions with the ATLAS detector

Journal Article Physical Review C - Nuclear Physics · October 9, 2014 Measurements of two-particle correlation functions and the first five azimuthal harmonics, v1 to v5, are presented, using 28 nb-1 of p+Pb collisions at a nucleon-nucleon center-of-mass energy of √sNN=5.02 TeV measured with the ATLAS detector at the LHC. Si ... Full text Cite

Search for WZ resonances in the fully leptonic channel using pp collisions at s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 7, 2014 A search for resonant WZ production in the ℓνℓ'ℓ' (ℓ,ℓ'=e,μ) decay channel using 20.3 fb-1 of s=8TeV pp collision data collected by the ATLAS experiment at LHC is presented. No significant deviation from the Standard Model prediction is observed and upper ... Full text Cite

Evidence for electroweak production of W±W±jj in pp collisions at sqrt[s] = 8 TeV with the ATLAS detector.

Journal Article Physical review letters · October 2014 This Letter presents the first study of W(±)W(±)jj, same-electric-charge diboson production in association with two jets, using 20.3 fb(-1) of proton-proton collision data at sqrt[s] = 8  TeV recorded by the ATLAS detector at the Large Hadron Collider. Eve ... Full text Cite

Search for scalar diphoton resonances in the mass range 65-600 GeV with the ATLAS detector in pp collision data at √s=8 TeV.

Journal Article Physical review letters · October 2014 A search for scalar particles decaying via narrow resonances into two photons in the mass range 65-600 GeV is performed using 20.3  fb(-1) of √s 8 TeV pp collision data collected with the ATLAS detector at the Large Hadron Collider. The recently discovered ... Full text Cite

Measurement of differential production cross-sections for a Z boson in association with b-jets in 7 TeV proton-proton collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2014 Abstract: Measurements of differential production cross-sections of a Z boson in association with b-jets in pp collisions at √ = 7 TeV are reported. The data analysed correspond to an integrated luminosity of 4.6 fb−1 recorded with the ATLAS detector at th ... Full text Cite

Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using √s = 8 TeV proton-proton collision data

Journal Article Journal of High Energy Physics · September 30, 2014 A search for squarks and gluinos in final states containing high-pTjets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2012 by the ATLAS experiment in √s = 8TeV proton-proton collisions at the Large Hadron Co ... Full text Cite

Search for pair-produced third-generation squarks decaying via charm quarks or in compressed supersymmetric scenarios in pp collisions at √s =8TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 24, 2014 Results of a search for supersymmetry via direct production of third-generation squarks are reported, using 20.3fb-1 of proton-proton collision data at s=8TeV recorded by the ATLAS experiment at the LHC in 2012. Two different analysis strategies based on m ... Full text Cite

Flavor tagged time-dependent angular analysis of the Bs0 →J/ψφ decay and extraction of ΔΓs and the weak phase φs in ATLAS

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 23, 2014 A measurement of the Bs0→J/ψφ decay parameters, updated to include flavor tagging is reported using 4.9fb-1 of integrated luminosity collected by the ATLAS detector from s=7TeV pp collisions recorded in 2011 at the LHC. The values measured for the physical ... Full text Cite

Search for high-mass dilepton resonances in pp collisions at s =8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 19, 2014 The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to dielectron or dimuon final states. Results are presented from an analysis of proton-proton (pp) collisions at a center-of-mass energy of 8 TeV correspond ... Full text Cite

Measurements of fiducial and differential cross sections for Higgs boson production in the diphoton decay channel at √s = 8 TeV with ATLAS

Journal Article Journal of High Energy Physics · September 19, 2014 Measurements of fiducial and differential cross sections are presented for Higgs boson production in proton-proton collisions at a centre-of-mass energy of √s = 8TeV. The analysis is performed in the H → γγ decay channel using 20.3 fb−1 of data recorded by ... Full text Cite

Measurement of the Higgs boson mass from the H → γγ and H → ZZ- 4ℓ channels inpp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 9, 2014 An improved measurement of the mass of the Higgs boson is derived from a combined fit to the reconstructed invariant mass spectra of the decay channels H → γγ and H → ZZ∗→ 4ℓ. The analysis uses the pp collision data sample recorded by the ATLAS experiment ... Full text Cite

Search for supersymmetry in events with four or more leptons in √s =8 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 4, 2014 Results from a search for supersymmetry in events with four or more leptons including electrons, muons and taus are presented. The analysis uses a data sample corresponding to 20.3 fb-1 of proton-proton collisions delivered by the Large Hadron Collider at ... Full text Cite

Search for direct pair production of the top squark in all-hadronic final states in proton-proton collisions at √s = 8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2014 The results of a search for direct pair production of the scalar partner to the top quark using an integrated luminosity of 20.1 fb-1 of proton-proton collision data at yfs = 8 TeV recorded with the ATLAS detector at the LHC are reported. The top squark is ... Full text Cite

Search for new particles in events with one lepton and missing transverse momentum in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2014 This paper presents a search for new particles in events with one lepton (electron or muon) and missing transverse momentum using 20.3 fb−1 of proton-proton collision data at √s = 8 TeV recorded by the ATLAS experiment at the Large Hadron Collider. No sign ... Full text Cite

A neural network clustering algorithm for the ATLAS silicon pixel detector

Journal Article Journal of Instrumentation · September 1, 2014 A novel technique to identify and split clusters created by multiple charged particles in the ATLAS pixel detector using a set of artificial neural networks is presented. Such merged clusters are a common feature of tracks originating from highly energetic ... Full text Cite

Measurement of the production cross-section of ψ(2S) →J/ψ (→ μ+μ+ π in pp collisions at √s = 7 TeV at ATLAS

Journal Article Journal of High Energy Physics · September 1, 2014 The prompt and non-prompt production cross-sections for ψ (2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7TeV recorded by the ATLAS experiment at the LHC. The measurement exploits the ψ (2S) → J/ψ (→ μ+μ−)π+π− de ... Full text Cite

Measurement of the Z/γ* boson transverse momentum distribution in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2014 This paper describes a measurement of the Z/γ* boson transverse momentum spectrum using ATLAS proton-proton collision data at a centre-of-mass energy of (Formula presented) TeV at the LHC. The measurement is performed in the Z/γ* → e+e− and Z/γ* → μ+μ− cha ... Full text Cite

Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector

Journal Article Physical Review C - Nuclear Physics · August 12, 2014 A measurement of event-plane correlations involving two or three event planes of different order is presented as a function of centrality for 7 μb-1 Pb+Pb collision data at sNN=2.76 TeV, recorded by the ATLAS experiment at the Large Hadron Collider. Fourte ... Full text Cite

Measurement of the underlying event in jet events from 7 TeV proton–proton collisions with the ATLAS detector

Journal Article European Physical Journal C · August 1, 2014 Distributions sensitive to the underlying event in QCD jet events have been measured with the ATLAS detector at the LHC, based on (Formula presented.) of proton–proton collision data collected at a centre-of-mass energy of 7 (Formula presented.). Charged-p ... Full text Cite

Measurement of χc1 and ψχc2 production with √s = 7 TeV pp collisions at ATLAS

Journal Article Journal of High Energy Physics · July 30, 2014 The prompt and non-prompt production cross-sections for the χc1 and χc2 charmonium states are measured in pp collisions at √s = 7TeV with the ATLAS detector at the LHC using 4.5 fb−1 of integrated luminosity. The χc states are reconstructed through the rad ... Full text Cite

Search for dark matter in events with a Z boson and missing transverse momentum in pp collisions at s =8TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 10, 2014 A search is presented for production of dark-matter particles recoiling against a leptonically decaying Z boson in 20.3fb-1 of pp collisions at s=8TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and t ... Full text Cite

Monitoring and data quality assessment of the ATLAS liquid argon calorimeter

Journal Article Journal of Instrumentation · July 1, 2014 The liquid argon calorimeter is a key component of the ATLAS detector installed at the CERN Large Hadron Collider. The primary purpose of this calorimeter is the measurement of electron and photon kinematic properties. It also provides a crucial input for ... Full text Cite

Measurements of four-lepton production at the Z resonance in pp collisions at sqrt[s] = 7 and 8 TeV with ATLAS.

Journal Article Physical review letters · June 2014 Measurements of four-lepton (4ℓ, ℓ=e,μ) production cross sections at the Z resonance in pp collisions at the LHC with the ATLAS detector are presented. For dilepton and four-lepton invariant mass regions m(ℓ+ℓ(-)) > 5 GeV and 80 Full text Cite

Measurement of the parity-violating asymmetry parameter αb and the helicity amplitudes for the decay Λb0 →j /ψ Λ0 with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · May 27, 2014 A measurement of the parity-violating decay asymmetry parameter, αb, and the helicity amplitudes for the decay Λb0→J/ψ(μ+μ-)Λ0(pπ-) is reported. The analysis is based on 1400 Λb0 and Λ¯b0 baryons selected in 4.6 fb-1 of proton-proton collision data with a ... Full text Cite

Search for invisible decays of a Higgs boson produced in association with a Z boson in ATLAS

Journal Article Physical Review Letters · May 20, 2014 A search for evidence of invisible-particle decay modes of a Higgs boson produced in association with a Z boson at the Large Hadron Collider is presented. No deviation from the standard model expectation is observed in 4.5 fb-1 (20.3 fb-1) of 7 (8) TeV pp ... Full text Cite

Search for direct production of charginos, neutralinos and sleptons in final states with two leptons and missing transverse momentum in pp collisions at √s = 8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 16, 2014 Searches for the electroweak production of charginos, neutralinos and sleptons in final states characterized by the presence of two leptons (electrons and muons) and missing transverse momentum are performed using 20.3 fb-1of proton-proton collision data a ... Full text Cite

Search for Higgs boson decays to a photon and a Z boson in pp collisions at s=7 and 8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 1, 2014 A search is reported for a neutral Higgs boson in the decay channel H→Zγ, Z→ℓ +ℓ -(ℓ = e, μ), using 4.5 fb-1of pp collisions at s=7 TeV and 20.3 fb-1of pp collisions at s=8 TeV, recorded by the ATLAS detector at the CERN Large Hadron Collider. The observed ... Full text Cite

Measurement of the production of a W boson in association with a charm quark in pp collisions at √s = 7TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · May 1, 2014 The production of a W boson in association with a single charm quark is studied using 4.6 fb-1 of pp collision data at √s = 7TeV collected with the ATLAS detector at the Large Hadron Collider. In events in which a W boson decays to an electron or muon, the ... Full text Cite

Study of heavy-flavor quarks produced in association with top-quark pairs at s =7TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · April 21, 2014 Using a sample of dilepton top-quark pair (tt̄) candidate events, a study is performed of the production of top-quark pairs together with heavy-flavor (HF) quarks, the sum of tt̄+b+X and tt̄+c+X, collectively referred to as tt̄+HF. The data set used correspond ... Full text Cite

Measurement of the production cross section of prompt J/ψ mesons in association with a W± boson in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2014 The process pp → W±J/ψ provides a powerful probe of the production mechanism of charmonium in hadronic collisions, and is also sensitive to multiple parton interactions in the colliding protons. Using the 2011 ATLAS dataset of 4.5 fb-1 of p s = 7TeV pp col ... Full text Cite

Measurement of the inclusive isolated prompt photons cross section in pp collisions at √s =7 TeV with the ATLAS detector using 4.6 fb-1

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 24, 2014 A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The results are based on an integrated luminosity of 4.6 fb-1 collected with the ATLAS detector at the LHC. ... Full text Cite

Search for quantum black hole production in high-invariant-mass lepton+jet final states using pp collisions at √s=8  TeV and the ATLAS detector.

Journal Article Physical review letters · March 2014 This Letter presents a search for quantum black-hole production using 20.3 fb-1 of data collected with the ATLAS detector in pp collisions at the LHC at √s = 8 TeV. The quantum black holes are assumed to decay into a final state characterized by a lepton ( ... Full text Cite

Boosted objects and jet substructure at the LHC. Report of BOOST2012, held at IFIC Valencia, 23rd–27th of July 2012

Journal Article European Physical Journal C · March 1, 2014 This report of the BOOST2012 workshop presents the results of four working groups that studied key aspects of jet substructure. We discuss the potential of first-principle QCD calculations to yield a precise description of the substructure of jets and stud ... Full text Cite

Search for a multi-Higgs-boson cascade in W+W -bb̄ events with the ATLAS detector in pp collisions at √s = 8 TeV

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · February 19, 2014 A search is presented for new particles in an extension to the Standard Model that includes a heavy Higgs boson (H0), an intermediate charged Higgs-boson pair (H-), and a light Higgs boson (h0). The analysis searches for events involving the production of ... Full text Cite

Measurement of the mass difference between top and anti-top quarks in pp collisions at √s=7 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 20, 2014 A measurement of the mass difference between top and anti-top quarks is presented. In a 4.7 fb−1 data sample of proton–proton collisions at s=7 TeV recorded with the ATLAS detector at the LHC, events consistent with tt¯ production and decay into a single c ... Full text Cite

Search for dark matter in events with a hadronically decaying W or Z boson and missing transverse momentum in pp collisions at √s=8  TeV with the ATLAS detector.

Journal Article Physical review letters · January 2014 A search is presented for dark matter pair production in association with a W or Z boson in pp collisions representing 20.3  fb(-1) of integrated luminosity at √s=8  TeV using data recorded with the ATLAS detector at the Large Hadron Collider. Events with ... Full text Cite

Search for new phenomena in photon + jet events collected in proton-proton collisions at √s = 8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2014 This Letter describes a model-independent search for the production of new resonances in photon + jet (γ + jet) events using 20 fb-1 of proton-proton LHC data recorded with the ATLAS detector at a centre-of-mass energy of √s = 8 TeV. The γ + jet mass distr ... Full text Cite

Measurement of the top quark pair production charge asymmetry in proton-proton collisions at √s = 7 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 This paper presents a measurement of the top quark pair (tt̄) production charge asymmetry AC using 4.7 fb-1 of proton-proton collisions at a centre-of-mass energy √s = 7TeV collected by the ATLAS detector at the LHC. A tt̄-enriched sample of events with a si ... Full text Cite

Standalone vertex finding in the ATLAS muon spectrometer

Journal Article Journal of Instrumentation · January 1, 2014 A dedicated reconstruction algorithm to find decay vertices in the ATLAS muon spectrometer is presented. The algorithm searches the region just upstream of or inside the muon spectrometer volume for multi-particle vertices that originate from the decay of ... Full text Cite

Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in pv s = 8 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 A search for the direct production of charginos and neutralinos in final states with three leptons and missing transverse momentum is presented. The analysis is based on 20.3 fb-1 of vs = 8TeV proton-proton collision data delivered by the Large Hadron Coll ... Full text Cite

Search for direct top squark pair production in events with a [Formula: see text] boson, [Formula: see text]-jets and missing transverse momentum in [Formula: see text] TeV [Formula: see text] collisions with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 A search is presented for direct top squark pair production using events with at least two leptons including a same-flavour opposite-sign pair with invariant mass consistent with the [Formula: see text] boson mass, jets tagged as originating from [Formula: ... Full text Cite

Measurement of dijet cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 Double-differential dijet cross-sections measured in pp collisions at the LHC with a 7TeV centre-of-mass energy are presented as functions of dijet mass and half the rapidity separation of the two highest-pT jets. These measurements are obtained using data ... Full text Cite

Search for direct top-squark pair production in final states with two leptons in pp collisions at √s = 8 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 A search is presented for direct top-squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3 fb -1 of pp collision data at √s = 8 TeV, collected by the ATLAS experiment at the Large Hadron Collider in 2012 ... Full text Cite

Search for supersymmetry at √s= 8 TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons (e or μ) with the same electric charge, or at least three isolated leptons. The search also utilises jet ... Full text Cite

Search for top quark decays t → qH with H → γγ using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 A search is performed for flavour-changing neutral currents in the decay of a top quark to an up-type (c, u) quark and a Higgs boson, where the Higgs boson decays to two photons. The proton-proton collision data set used corresponds to 4.7 fb-1 at √ = 7TeV ... Full text Cite

Measurement of the low-mass Drell-Yan differential cross section at √s = 7 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 The differential cross section for the process Z/γ * → ℓℓ (ℓ = e, μ) as a function of dilepton invariant mass is measured in pp collisions at √s = 7 TeV at the LHC using the ATLAS detector. The measurement is performed in the e and μ channels for invariant ... Full text Cite

The differential production cross section of the [Formula: see text](1020) meson in [Formula: see text] = 7 TeV [Formula: see text] collisions measured with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 A measurement is presented of the [Formula: see text] production cross section at [Formula: see text] = 7 TeV using [Formula: see text] collision data corresponding to an integrated luminosity of 383 [Formula: see text], collected with the ATLAS experiment ... Full text Cite

Electron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton-proton collision data.

Journal Article The European physical journal. C, Particles and fields · January 2014 Many of the interesting physics processes to be measured at the LHC have a signature involving one or more isolated electrons. The electron reconstruction and identification efficiencies of the ATLAS detector at the LHC have been evaluated using proton-pro ... Full text Cite

Search for microscopic black holes and string balls in final states with leptons and jets with the ATLAS detector at √s = 8 TeV

Journal Article Journal of High Energy Physics · January 1, 2014 A search for an excess of events with multiple high transverse momentum objects including charged leptons and jets is presented, using 20.3 fb -1 of proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a centr ... Full text Cite

Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 The integrated elliptic flow of charged particles produced in Pb+Pb collisions at [Formula: see text] TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, [Formula: see text], was measur ... Full text Cite

Light-quark and gluon jet discrimination in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb[Formula: see text] of proton-proton collision data at [Formula: see text] [Formula: see text] collected with the ATLAS detector at ... Full text Cite

Muon reconstruction efficiency and momentum resolution of the ATLAS experiment in proton-proton collisions at [Formula: see text] TeV in 2010.

Journal Article The European physical journal. C, Particles and fields · January 2014 This paper presents a study of the performance of the muon reconstruction in the analysis of proton-proton collisions at [Formula: see text] TeV at the LHC, recorded by the ATLAS detector in 2010. This performance is described in terms of reconstruction an ... Full text Cite

Operation and performance of the ATLAS semiconductor tracker

Journal Article Journal of Instrumentation · January 1, 2014 The semiconductor tracker is a silicon microstrip detector forming part of the inner tracking system of the ATLAS experiment at the LHC. The operation and performance of the semiconductor tracker during the first years of LHC running are described. More th ... Full text Cite

Search for long-lived neutral particles decaying into lepton jets in proton-proton collisions at √s= 8TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2014 Abstract: Several models of physics beyond the Standard Model predict neutral particles that decay into final states consisting of collimated jets of light leptons and hadrons (so-called “lepton jets”). These particles can also be long-lived with decay len ... Full text Cite

Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in pp collisions at √s=8 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2014 Measurements of fiducial and differential cross sections of Higgs boson production in the H→ZZ*→4ℓ decay channel are presented. The cross sections are determined within a fiducial phase space and corrected for detection efficiency and resolution effects. T ... Full text Cite

Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 20 fb−1 of √s= 8 TeV proton-proton collision data with the ATLAS detector

Journal Article Social Psychiatry and Psychiatric Epidemiology · 2014 A search for supersymmetry (SUSY) in events with large missing transverse momentum, jets, at least one hadronically decaying tau lepton and zero or one additional light leptons (electron/muon), has been performed using 20.3fb−1of proton-proton collision da ... Full text Cite

Measurement of distributions sensitive to the underlying event in inclusive Z-boson production in [Formula: see text] collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 A measurement of charged-particle distributions sensitive to the properties of the underlying event is presented for an inclusive sample of events containing a [Formula: see text]-boson, decaying to an electron or muon pair. The measurement is based on dat ... Full text Cite

Measurements of jet vetoes and azimuthal decorrelations in dijet events produced in [Formula: see text] collisions at [Formula: see text] using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 Additional jet activity in dijet events is measured using [Formula: see text] collisions at ATLAS at a centre-of-mass energy of [Formula: see text], for jets reconstructed using the [Formula: see text] algorithm with radius parameter [Formula: see text]. T ... Full text Cite

Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton-proton collision data.

Journal Article The European physical journal. C, Particles and fields · January 2014 This paper presents the performance of the ATLAS muon reconstruction during the LHC run with [Formula: see text] collisions at [Formula: see text]-8 TeV in 2011-2012, focusing mainly on data collected in 2012. Measurements of the reconstruction efficiency ... Full text Cite

A measurement of the ratio of the production cross sections for [Formula: see text] and [Formula: see text] bosons in association with jets with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 The ratio of the production cross sections for [Formula: see text] and [Formula: see text] bosons in association with jets has been measured in proton-proton collisions at [Formula: see text] with the ATLAS experiment at the Large Hadron Collider. The meas ... Full text Cite

Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at [Formula: see text] 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 A search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions or large extra spatial dimensions. The LHC 2012 proton-proton collision dataset recorded by the ATLAS detector is used, ... Full text Cite

Measurement of flow harmonics with multi-particle cumulants in Pb+Pb collisions at [Formula: see text] TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 ATLAS measurements of the azimuthal anisotropy in lead-lead collisions at [Formula: see text] TeV are shown using a dataset of approximately 7 [Formula: see text]b[Formula: see text] collected at the LHC in 2010. The measurements are performed for charged ... Full text Cite

Measurement of the [Formula: see text] production cross-section using [Formula: see text] events with [Formula: see text]-tagged jets in [Formula: see text] collisions at [Formula: see text] and 8 TeV with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2014 The inclusive top quark pair ([Formula: see text]) production cross-section [Formula: see text] has been measured in proton-proton collisions at [Formula: see text] and [Formula: see text] with the ATLAS experiment at the LHC, using [Formula: see text] eve ... Full text Cite

Search for the direct production of charginos, neutralinos and staus in final states with at least two hadronically decaying taus and missing transverse momentum in pp collisions at √ $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

Journal Article Critical Ultrasound Journal · January 1, 2014 © 2014, The Author(s).Abstract: Results of a search for the electroweak associated production of charginos and next-to-lightest neutralinos, pairs of charginos or pairs of tau sleptons are presented. These processes are characterised by final states with a ... Full text Cite

Search for strong production of supersymmetric particles in final states with missing transverse momentum and at least three b-jets at (formula presented) TeV proton-proton collisions with the ATLAS detector

Journal Article Critical Ultrasound Journal · January 1, 2014 © 2014, The Author(s). Abstract: This paper reports the results of a search for strong production of supersymmetric particles in 20.1 fb−1 of proton-proton collisions at a centre-of-mass energy of 8 TeV using the ATLAS detector at the LHC. The search is pe ... Full text Cite

Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in √s = 8 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2013 The results of a search for pair production of supersymmetric partners of the Standard Model third-generation quarks are reported. This search uses 20.1 fb−1 of pp collisions at √s = 8TeV collected by the ATLAS experiment at the Large Hadron Collider. The ... Full text Cite

Measurement of top quark polarization in top-antitop events from proton-proton collisions at √s=7  TeV using the ATLAS detector.

Journal Article Physical review letters · December 2013 This Letter presents measurements of the polarization of the top quark in top-antitop quark pair events, using 4.7  fb(-1) of proton-proton collision data recorded with the ATLAS detector at the Large Hadron Collider at √s=7  TeV. Final states containing o ... Full text Cite

Multicenter retrospective comparative study of laparoscopically assisted and conventional anorectoplasty for male infants with rectoprostatic urethral fistula.

Conference Journal of pediatric surgery · December 2013 BackgroundLaparoscopically assisted anorectoplasty (LAARP) was expected to achieve better fecal continence than conventional procedures. However, the issue of which approach is better remains controversial. We compared outcomes between the convent ... Full text Cite

Measurement of the distributions of event-by-event flow harmonics in lead-lead collisions at √SNN = 2.76 TeV with the ATLAS detector at the LHC

Journal Article Journal of High Energy Physics · November 1, 2013 The distributions of event-by-event harmonic flow coefficients υn for n = 2-4 are measured in √sNN = 2.76TeV Pb+Pb collisions using the ATLAS detector at the LHC. The measurements are performed using charged particles with transverse momentum pT > 0.5GeV a ... Full text Cite

Search for new phenomena in final states with large jet multiplicities and missing transverse momentum at √s = 8 TeV proton-proton collisions using the ATLAS experiment

Journal Article Journal of High Energy Physics · October 1, 2013 A search is presented for new particles decaying to large numbers (7 or more) of jets, with missing transverse momentum and no isolated electrons or muons. This analysis uses 20:3 fb-1 of pp collision data at √s = 8 TeV collected by the ATLAS experiment at ... Full text Cite

Measurement of the high-mass Drell–Yan differential cross-section in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 1, 2013 This Letter reports a measurement of the high-mass Drell–Yan differential cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV at the LHC. Based on an integrated luminosity of 4.9 fb−1, the differential cross-section in the Z/γ⁎→e+ ... Full text Cite

Measurement of the azimuthal angle dependence of inclusive jet yields in Pb+Pb collisions at √(sNN)=2.76 TeV with the ATLAS detector.

Journal Article Physical review letters · October 2013 Measurements of the variation of inclusive jet suppression as a function of relative azimuthal angle, Δφ, with respect to the elliptic event plane provide insight into the path-length dependence of jet quenching. ATLAS has measured the Δφ dependence of jet ... Full text Cite

Search for microscopic black holes in a like-sign dimuon final state using large track multiplicity with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · October 1, 2013 A search is presented for microscopic black holes in a like-sign dimuon final state in proton-proton collisions at √s=8 TeV. The data were collected with the ATLAS detector at the Large Hadron Collider in 2012 and correspond to an integrated luminosity of ... Full text Cite

Measurements of Higgs boson production and couplings in diboson final states with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 2, 2013 Measurements are presented of production properties and couplings of the recently discovered Higgs boson using the decays into boson pairs, H→γγ, H→ZZ*→4ℓ and H→WW*→ℓνℓν. The results are based on the complete pp collision data sample recorded by the ATLAS ... Full text Cite

Search for excited electrons and muons in √s=8 TeV proton-proton collisions with the ATLAS detector

Journal Article New Journal of Physics · September 1, 2013 The ATLAS detector at the Large Hadron Collider is used to search for excited electrons and excited muons in the channel pp → ℓℓ* → ℓℓγ, assuming that excited leptons are produced via contact interactions. The analysis is based on 13 fb-1 of pp collisions ... Full text Cite

Performance of jet substructure techniques for large-R jets in proton-proton collisions at √s=7 TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · September 1, 2013 This paper presents the application of a variety of techniques to study jet substructure. The performance of various modified jet algorithms, or jet grooming techniques, for several jet types and event topologies is investigated for jets with transverse mo ... Full text Cite

Evidence for the spin-0 nature of the Higgs boson using ATLAS data

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 30, 2013 Studies of the spin and parity quantum numbers of the Higgs boson are presented, based on proton-proton collision data collected by the ATLAS experiment at the LHC. The Standard Model spin-parity JP=0+ hypothesis is compared with alternative hypotheses usi ... Full text Cite

Measurement with the ATLAS detector of multi-particle azimuthal correlations in p + Pb collisions at √sNN= 5.02 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 9, 2013 In order to study further the long-range correlations ("ridge") observed recently in p + Pb collisions at √sNN= 5.02 TeV, the second-order azimuthal anisotropy parameter of charged particles, v2, has been measured with the cumulant method using the ATLAS d ... Full text Cite

Measurement of charged-particle event shape variables in inclusive √(s)=7 TeV proton-proton interactions with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · August 6, 2013 The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transv ... Full text Cite

Search for nonpointing photons in the diphoton and ETmiss final state in √s=7 TeV proton-proton collisions using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 1, 2013 A search has been performed for photons originating in the decay of a neutral long-lived particle, exploiting the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction of photons, as well as the calorime ... Full text Cite

Search for a heavy narrow resonance decaying to eμ eτ or μτ with the ATLAS detector in √s=7 TeV pp collisions at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 10, 2013 This Letter presents the results of a search for a heavy particle decaying into an e±μ∓, e±τ∓, or μ±τ∓ final state in pp collisions at s=7 TeV. The data were recorded with the ATLAS detector at the LHC during 2011 and correspond to an integrated luminosity ... Full text Cite

Measurements of Wγ and Zγ production in pp collisions at √s=7 TeV with the ATLAS detector at the LHC

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 4, 2013 The integrated and differential fiducial cross sections for the production of a W or Z boson in association with a high-energy photon are measured using pp collisions at √s=7 TeV. The analyses use a data sample with an integrated luminosity of 4.6 fb-1 col ... Full text Cite

Measurement of W+W- production in pp collisions at √s=7 TeV with the ATLAS detector and limits on anomalous WWZ and WWγ couplings

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 3, 2013 This paper presents a measurement of the W+W- production cross section in pp collisions at √s=7 TeV. The leptonic decay channels are analyzed using data corresponding to an integrated luminosity of 4.6 fb-1 collected with the ATLAS detector at the Large Ha ... Full text Cite

Search for long-lived, multi-charged particles in pp collisions at √s=7 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 24, 2013 A search for highly ionising, penetrating particles with electric charges from |q|=2e to 6e is performed using the ATLAS detector at the CERN Large Hadron Collider. Proton-proton collision data taken at s=7 TeV during the 2011 running period, corresponding ... Full text Cite

Observation of associated near-side and away-side long-range correlations in sqrt[s(NN)]=5.02 TeV proton-lead collisions with the ATLAS detector.

Journal Article Physical review letters · May 2013 Two-particle correlations in relative azimuthal angle (Δø) and pseudorapidity (Δη) are measured in sqrt[s(NN)] = 5.02 TeV p+Pb collisions using the ATLAS detector at the LHC. The measurements are performed using approximately 1 μb(-1) of data as a function ... Full text Cite

Search for single b-quark production with the ATLAS detector at √s=7 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 25, 2013 The results of a search for an excited bottom-quark b⁎ in pp collisions at s=7 TeV, using 4.7 fb−1 of data collected by the ATLAS detector at the LHC are presented. In the model studied, a single b⁎-quark is produced through a chromomagnetic interaction an ... Full text Cite

Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector

Journal Article Journal of High Energy Physics · April 24, 2013 A search for new phenomena in events with a high-energy jet and large missing transverse momentum is performed using data from proton-proton collisions at √s=7 TeV with the ATLAS experiment at the Large Hadron Collider. Four kinematic regions are explored ... Full text Cite

Search for charged Higgs bosons through the violation of lepton universality in tt events using pp collision data at √S=7 TeV with the ATLAS experiment

Journal Article Journal of High Energy Physics · April 22, 2013 In several extensions of the Standard Model, the top quark can decay into a bottom quark and a light charged Higgs boson H +, t → bH +, in addition to the Standard Model decay t → bW. Since W bosons decay to the three lepton generations equally, while H + ... Full text Cite

Search for displaced muonic lepton jets from light Higgs boson decay in proton–proton collisions at √s = 7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 10, 2013 A search is performed for collimated muon pairs displaced from the primary vertex produced in the decay of long-lived neutral particles in proton–proton collisions at s=7 TeV centre-of-mass energy, with the ATLAS detector at the LHC. In a 1.9 fb−1event sam ... Full text Cite

Search for extra dimensions in diphoton events from proton-proton collisions at √s= 7 TeV in the ATLAS detector at the LHC

Journal Article New Journal of Physics · April 1, 2013 The large difference between the Planck scale and the electroweak scale, known as the hierarchy problem, is addressed in certain models through the postulate of extra spatial dimensions. A search for evidence of extra spatial dimensions in the diphoton cha ... Full text Cite

Search for WH production with a light Higgs boson decaying to prompt electron-jets in proton-proton collisions at √s=7 TeV with the ATLAS detector

Journal Article New Journal of Physics · April 1, 2013 A search is performed for WH production with a light Higgs boson decaying to hidden-sector particles resulting in clusters of collimated electrons, known as electron-jets. The search is performed with 2.04 fb-1 of data collected in 2011 with the ATLAS dete ... Full text Cite

Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at √s=7 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 26, 2013 A search for long-lived particles is performed using a data sample of 4.7 fb−1 from proton–proton collisions at a centre-of-mass energy s=7 TeV collected by the ATLAS detector at the LHC. No excess is observed above the estimated background and lower limit ... Full text Cite

Measurement of hard double-parton interactions in W(→ lν) + 2-jet events at √s = 7 TeV with the ATLAS detector

Journal Article New Journal of Physics · March 25, 2013 The production of W bosons in association with two jets in proton-proton collisions at a centre-of-mass energy of √ s = 7 TeV has been analysed for the presence of double-parton interactions using data corresponding to an integrated luminosity of 36 pb-1, ... Full text Cite

Search for light top squark pair production in final states with leptons and b-jets with the ATLAS detector in √s=7 TeV proton–proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 13, 2013 The results of a search for pair production of light top squarks are presented, using 4.7 fb−1 of s=7 TeV proton–proton collisions collected with the ATLAS detector at the Large Hadron Collider. This search targets top squarks with masses similar to, or li ... Full text Cite

Measurement of angular correlations in Drell–Yan lepton pairs to probe Z/γ boson transverse momentum at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 13, 2013 A measurement of angular correlations in Drell–Yan lepton pairs via the ϕη⁎ observable is presented. This variable probes the same physics as the Z/γ⁎ boson transverse momentum with a better experimental resolution. The Z/γ⁎→e+e− and Z/γ⁎→μ+μ− decays produ ... Full text Cite

Measurement of upsilon production in 7 TeV pp collisions at ATLAS

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 4, 2013 Using 1.8 fb-1 of pp collisions at a center-of-mass energy of 7 TeV recorded by the ATLAS detector at the Large Hadron Collider, we present measurements of the production cross sections of Υ(1S,2S,3S) mesons. Υ mesons are reconstructed using the dimuon dec ... Full text Cite

Search for new phenomena in events with three charged leptons at √s=7 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 4, 2013 A generic search for anomalous production of events with at least three charged leptons is presented. The search uses a pp-collision data sample at a center-of-mass energy of √s=7 TeV corresponding to 4.6 fb-1 of integrated luminosity collected in 2011 by ... Full text Cite

Single hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHC

Journal Article European Physical Journal C · March 2, 2013 The uncertainty on the calorimeter energy response to jets of particles is derived for the ATLAS experiment at the Large Hadron Collider (LHC). First, the calorimeter response to single isolated charged hadrons is measured and compared to the Monte Carlo s ... Full text Cite

Measurement of ZZ production in pp collisions at √ = 7 TeV and limits on anomalous ZZZ and ZZγ couplings with the ATLAS detector

Journal Article Journal of High Energy Physics · March 1, 2013 A measurement of the ZZ production cross section in proton-proton collisions at √ = 7 TeV using data recorded by the ATLAS experiment at the Large Hadron Collider is presented. In a data sample corresponding to an integrated luminosity of 4.6 fb-1 collecte ... Full text Cite

Search for long-lived, heavy particles in final states with a muon and multi-track displaced vertex in proton-proton collisions at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 26, 2013 Many extensions of the Standard Model posit the existence of heavy particles with long lifetimes. In this Letter, results are presented of a search for events containing one or more such particles, which decay at a significant distance from their productio ... Full text Cite

Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · February 12, 2013 A search for direct chargino production in anomaly-mediated supersymmetry breaking scenarios is performed in pp collisions at √s=7TeV using 4.7 fb-1 of data collected with the ATLAS experiment at the LHC. In these models, the lightest chargino is predicted ... Full text Cite

Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at √s=7 TeV

Journal Article Journal of High Energy Physics · February 12, 2013 A search for resonances produced in 7 TeV proton-proton collisions and decaying into top-quark pairs is described. In this Letter events where the top-quark decay produces two massive jets with large transverse momenta recorded with the ATLAS detector at t ... Full text Cite

Measurement of the flavour composition of dijet events in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article European Physical Journal C · February 12, 2013 This paper describes a measurement of the flavour composition of dijet events produced in pp collisions at √s = 7 TeV using the ATLAS detector. The measurement uses the full 2010 data sample, corresponding to an integrated luminosity of 39 pb−1. ... Full text Cite

Measurement of the Λb0 lifetime and mass in the ATLAS experiment

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · February 4, 2013 A measurement of the Λb0 lifetime and mass in the decay channel Λb0→J/ψ(μ+μ-)Λ0(pπ -) is presented. The analysis uses a signal sample of about 2200 Λb0 and Λ̄b0 decays that are reconstructed in 4.9 fb -1 of ATLAS pp collision data collected in 2011 at the L ... Full text Cite

Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using 4.7 fb-1 of √s=7 TeV proton-proton collision data

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 22, 2013 A search for squarks and gluinos in final states containing jets, missing transverse momentum and no high-pT electrons or muons is presented. The data represent the complete sample recorded in 2011 by the ATLAS experiment in 7 TeV proton-proton collisions ... Full text Cite

Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at √s = 7 TeV

Journal Article European Physical Journal C · January 15, 2013 Measurements are presented of differential crosss√ ections for top quark pair production in pp collisions at s = 7 TeV relative to the total inclusive top quark pair production cross-section. A data sample of 2.05 fb−1 recorded by the ATLAS dete ... Full text Cite

Search for pair-produced massive coloured scalars in four-jet final states with the ATLAS detector in proton–proton collisions at √s =7 TeV

Journal Article European Physical Journal C · January 15, 2013 A search for pair-produced massive coloured scalar particles decaying to a four-jet final state is performed by the ATLAS experiment at the LHC in proton–proton collisions at √s = 7 TeV. The analysed data sample corresponds to an integrated luminosity of 4 ... Full text Cite

Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in √s=7 TeV pp collisions with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 8, 2013 A search for the direct production of charginos and neutralinos in final states with three electrons or muons and missing transverse momentum is presented. The analysis is based on 4.7 fb−1 of s=7 TeV proton–proton collision data delivered by the Large Had ... Full text Cite

Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 4, 2013 A search for nonresonant new phenomena, originating from either contact interactions or large extra spatial dimensions, has been carried out using events with two isolated electrons or muons. These events, produced at the LHC in proton-proton collisions at ... Full text Cite

Measurement of the differential cross-section of B+ meson production in pp collisions at √s = 7 TeV at ATLAS

Journal Article Journal of High Energy Physics · January 1, 2013 The production cross-section of B+ mesons is measured as a function of transverse momentum pT and rapidity y in proton-proton collisions at centre-of-mass energy √s = 7 TeV, using 2.4 fb-1 of data recorded with the ATLAS detector at the Large Hadron Collid ... Full text Cite

Measurement of the top quark charge in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2013 A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb-1 of data at a centre-of-mass energy of 7TeV. In units of the elementary electric charge, the top quark charge is determined to ... Full text Cite

Search for charginos nearly mass degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at √(s) = 8 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2013 A search is presented for direct chargino production based on a disappearing-track signature using 20:3 fb-1 of proton-proton collisions at √s = 8 TeV collected with the ATLAS experiment at the LHC. In anomaly-mediated supersymmetry breaking (AMSB) models, ... Full text Cite

Search for long-lived stopped R-hadrons decaying out of time with pp collisions using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2013 An updated search is performed for gluino, top squark, or bottom squark R-hadrons that have come to rest within the ATLAS calorimeter, and decay at some later time to hadronic jets and a neutralino, using 5.0 and 22:9 fb-1 of pp collisions at 7 and 8 TeV, ... Full text Cite

Measurement of jet shapes in top-quark pair events at [Formula: see text] using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2013 A measurement of jet shapes in top-quark pair events using 1.8 fb-1 of [Formula: see text]pp collision data recorded by the ATLAS detector at the LHC is presented. Samples of top-quark pair events are selected in both the single-lepton an ... Full text Cite

Dynamics of isolated-photon plus jet production in pp collisions at s=7 TeV with the ATLAS detector

Journal Article Nuclear Physics B · 2013 The dynamics of isolated-photon plus jet production in pp collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 37 pb-1. Measurements of isolated-photon plus jet bin-averaged cr ... Full text Cite

Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision data at sqrt[s]=7 TeV with the ATLAS detector.

Journal Article Physical review letters · January 2013 Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum in proton-proton collisions at sqrt[s] = 7 TeV are reported. Data collected by the ATLAS experiment at the LHC corresponding to an integrated lum ... Full text Cite

Measurement of Z boson production in Pb-Pb collisions at sqrt[s(NN)]=2.76  TeV with the ATLAS detector.

Journal Article Physical review letters · January 2013 The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0.15  nb(-1) of integrated luminosity obtained in the 2011 LHC Pb+Pb run at sqrt[s(NN)]=2.76  TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, w ... Full text Cite

ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at √s = 7 TeV

Journal Article Journal of High Energy Physics · January 1, 2013 Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4. ... Full text Cite

Measurement of isolated-photon pair production in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2013 The ATLAS experiment at the LHC has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at √s=7TeV . The full data set collected in 2011, corresponding to an integrated luminosity of 4.9 ... Full text Cite

Search for the neutral Higgs bosons of the minimal supersymmetric standard model in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2013 A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of 7TeV recorded with the ATLAS detector at the Large Hadron Collide ... Full text Cite

Multi-channel search for squarks and gluinos in [Formula: see text]pp collisions with the ATLAS detector at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2013 A search for supersymmetric particles in final states with zero, one, and two leptons, with and without jets identified as originating from b-quarks, in 4.7 fb-1 of [Formula: see text]pp collisions produced by the Large Hadron Coll ... Full text Cite

Jet energy measurement with the ATLAS detector in proton-proton collisions at √s =7 TeV

Journal Article European Physical Journal C · January 1, 2013 The jet energy scale and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass energy of √ s = 7 TeV corresponding to an integrated luminosity of 38 pb-1. Jets are ... Full text Cite

Measurement of the [Formula: see text] production cross section in the tau + jets channel using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2013 A measurement of the top quark pair production cross section in the final state with a hadronically decaying tau lepton and jets is presented. The analysis is based on proton-proton collision data recorded by the ATLAS experiment at the LHC, with a centre- ... Full text Cite

Jet energy resolution in proton-proton collisions at [Formula: see text] recorded in 2010 with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2013 The measurement of the jet energy resolution is presented using data recorded with the ATLAS detector in proton-proton collisions at [Formula: see text]. The sample corresponds to an integrated luminosity of 35 pb-1. Jets are reconstructed from ... Full text Cite

Measurement of kT splitting scales in Wℓν events at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2013 A measurement of splitting scales, as defined by the kT clustering algorithm, is presented for final states containing a W boson produced in proton-proton collisions at a centre-of-mass energy of 7 TeV. The measurement is based on ... Full text Cite

Search for resonant diboson production in the WW/WZ → ℓvjj decay channels with the ATLAS detector at √s = 7 TeV

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2013 A search for resonant diboson production using a data sample corresponding to 4:7 fb–1of integrated luminosity collected by the ATLAS experiment at the Large Hadron Collider in pp collisions at √s = 7 TeV is presented. The search for a narrow resonance in ... Full text Cite

Search for tt̄ resonances in the lepton plus jets final state with ATLAS using 4.7 fb–1of pp collisions at √s = 7 TeV

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 1, 2013 A search for new particles that decay into top quark pairs (tt) is performed with the ATLAS experiment at the LHC using an integrated luminosity of 4.7 fb–1of proton–proton (pp) collision data collected at a center-of-mass energy √s = 7 TeV. In the tt̄→ WbW ... Full text Cite

Search for a light charged Higgs boson in the decay channel [Formula: see text] in [Formula: see text] events using pp collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2013 A search for a charged Higgs boson (H+) in [Formula: see text] decays is presented, where one of the top quarks decays via t→H+b, followed by H+→ two jets ([Formula: see text]). The other ... Full text Cite

Search for third generation scalar leptoquarks in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2013 A search for pair-produced third generation scalar leptoquarks is presented, using proton-proton collisions at s=7 TeV at the LHC. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 4.7 fb-1. Each leptoquark is ass ... Full text Cite

Characterisation and mitigation of beam-induced backgrounds observed in the ATLAS detector during the 2011 proton-proton run

Journal Article Journal of Instrumentation · January 1, 2013 This paper presents a summary of beam-induced backgrounds observed in the ATLAS detector and discusses methods to tag and remove background contaminated events in data. Triggerrate based monitoring of beam-related backgrounds is presented. The correlations ... Full text Cite

Triggers for displaced decays of long-lived neutral particles in the ATLAS detector

Journal Article Journal of Instrumentation · January 1, 2013 A set of three dedicated triggers designed to detect long-lived neutral particles decaying throughout the ATLAS detector to a pair of hadronic jets is described. The efficiencies of the triggers for selecting displaced decays as a function of the decay pos ... Full text Cite

Measurement of the production cross section of jets in association with a Z boson in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2013 Measurements of the production of jets of particles in association with a Z boson in pp collisions at √s=7 TeV are presented, using data corresponding to an integrated luminosity of 4.6 fb-1 collected by the ATLAS experiment at the Large Hadron Collider. I ... Full text Cite

Measurement of the inclusive jet cross-section in pp collisions at [Formula: see text] and comparison to the inclusive jet cross-section at [Formula: see text] using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2013 The inclusive jet cross-section has been measured in proton-proton collisions at [Formula: see text] in a dataset corresponding to an integrated luminosity of [Formula: see text] collected with the ATLAS detector at the Large Hadron Collider in 2011. Jets ... Full text Cite

Improved luminosity determination in pp collisions at [Formula: see text] using the ATLAS detector at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2013 The luminosity calibration for the ATLAS detector at the LHC during pp collisions at [Formula: see text] in 2010 and 2011 is presented. Evaluation of the luminosity scale is performed using several luminosity-sensitive detectors, and comparisons are ... Full text Cite

Search for diphoton events with large missing transverse momentum in 7 TeV proton-proton collision data with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 5, 2012 A search for diphoton events with large missing transverse momentum has been performed using proton-proton collision data at s=7 TeV recorded with the ATLAS detector, corresponding to an integrated luminosity of 4.8 fb-1. No excess of events was observed a ... Full text Cite

Search for the Higgs boson in the H→WW→ℓνjj decay channel at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 5, 2012 A search for the Standard Model Higgs boson has been performed in the H→WW→ℓνjj channel using 4.7 fb−1 of pp collision data recorded at a centre-of-mass energy of s=7 TeV with the ATLAS detector at the Large Hadron Collider. Higgs boson candidates produced ... Full text Cite

Search for doubly charged Higgs bosons in like-sign dilepton final states at √s = 7 TeV with the ATLAS detector

Journal Article European Physical Journal C · December 4, 2012 A search for doubly charged Higgs bosons decaying to pairs of electrons and/or muons is presented. The search is performed using a data sample corresponding to an integrated luminosity of 4.7 fb−1of pp collisions at √s = 7 TeV collected by the ATLAS detect ... Full text Cite

Search for magnetic monopoles in sqrt[s]=7  TeV pp collisions with the ATLAS detector.

Journal Article Physical review letters · December 2012 This Letter presents a search for magnetic monopoles with the ATLAS detector at the CERN Large Hadron Collider using an integrated luminosity of 2.0  fb(-1) of pp collisions recorded at a center-of-mass energy of sqrt[s]=7  TeV. No event is found in the si ... Full text Cite

Search for R-parity-violating supersymmetry in events with four or more leptons in √s =7 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · December 1, 2012 A search for new phenomena in final states with four or more leptons (electrons or muons) is presented. The analysis is based on 4.7 fb-1 of √s =7 TeV proton-proton collisions delivered by the Large Hadron Collider and recorded with the ATLAS detector. Obs ... Full text Cite

A particle consistent with the Higgs boson observed with the ATLAS detector at the Large Hadron Collider.

Journal Article Science (New York, N.Y.) · December 2012 Nearly 50 years ago, theoretical physicists proposed that a field permeates the universe and gives energy to the vacuum. This field was required to explain why some, but not all, fundamental particles have mass. Numerous precision measurements during recen ... Full text Cite

Search for resonant top quark plus jet production in tt̄+jets events with the ATLAS detector in pp collisions at √s=7TeV

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · November 26, 2012 This paper presents a search for a new heavy particle produced in association with a top or antitop quark. Two models in which the new heavy particle is a color singlet or a color triplet are considered, decaying, respectively, to t̄q or tq, leading to a re ... Full text Cite

Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 7 TeV proton-proton collision data with the ATLAS detector

Journal Article European Physical Journal C · November 20, 2012 A search for supersymmetry (SUSY) in events with large missing transverse momentum, jets, and at least one hadronically decaying τ lepton, with zero or one additional light lepton (e/μ), has been performed using 4.7 fb−1of proton-proton collision data at √ ... Full text Cite

Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV

Journal Article European Physical Journal C · November 20, 2012 A measurement of event shape variables is presented for large momentum transfer proton-proton collisions using the ATLAS detector at the Large Hadron Collider. Six event shape variables calculated using hadronic jets are studied in inclusive multi-jet even ... Full text Cite

Further search for supersymmetry at √s=7TeV in final states with jets, missing transverse momentum, and isolated leptons with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · November 2, 2012 This work presents a new inclusive search for supersymmetry (SUSY) by the ATLAS experiment at the LHC in proton-proton collisions at a center-of-mass energy √s=7TeV in final states with jets, missing transverse momentum and one or more isolated electrons a ... Full text Cite

Search for a supersymmetric partner to the top quark in final states with jets and missing transverse momentum at sqrt[s] = 7 TeV with the ATLAS detector.

Journal Article Physical review letters · November 2012 A search for direct pair production of supersymmetric top squarks (t(1)) is presented, assuming the t(1) decays into a top quark and the lightest supersymmetric particle, χ(1)(0), and that both top quarks decay to purely hadronic final states. A total of 1 ... Full text Cite

Search for direct top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in sqrt[s] = 7 TeV pp collisions using 4.7 fb(-10 of ATLAS data.

Journal Article Physical review letters · November 2012 A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at sqrt[s] = 7 TeV. The measurement is based on 4.7 fb(-1) of data collected w ... Full text Cite

Measurement of the t-channel single top-quark production cross section in pp collisions at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 31, 2012 We report a measurement of the cross section of single top-quark production in the t-channel using 1.04 fb−1 of pp collision data at s=7 TeV recorded with the ATLAS detector at the LHC. Selected events feature one electron or muon, missing transverse momen ... Full text Cite

Search for a standard model Higgs boson in the H→ZZ→ℓ+νν¯ decay channel using 4.7 fb−1 of √s=7 TeV data with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 22, 2012 A search for a Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−νν¯ where ℓ represents electrons or muons, is presented. It is based on proton-proton collision data at s=7 TeV, collected by the ATLAS experiment at the LHC during 2011 and corresponding to a ... Full text Cite

Measurement of Wγ and Zγ production cross sections in pp collisions at √s=7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · October 22, 2012 This Letter presents measurements of l±νγ and l+l−γ (l=e,μ) production in 1.02 fb−1 of pp collision data recorded at s=7 TeV with the ATLAS detector at the LHC in the first half of 2011. Events dominated by Wγ and Zγ production with leptonic decays of the ... Full text Cite

ATLAS measurements of the properties of jets for boosted particle searches

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · October 15, 2012 Measurements are presented of the properties of high transverse momentum jets, produced in proton-proton collisions at a center-of-mass energy of √s=7TeV. The data correspond to an integrated luminosity of 35pb -1 and were collected with the ATLAS detector ... Full text Cite

Underlying event characteristics and their dependence on jet size of charged-particle jet events in pp collisions at √(s)=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · October 9, 2012 Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at √s=7TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements reflect 800μb-1 of data t ... Full text Cite

Measurement of W±Z production in proton-proton collisions At √s = 7 TeV with the ATLAS detector

Journal Article European Physical Journal C · October 6, 2012 A study of W ± Z production in proton-proton collisions at √s = 7 TeV is presented using data corresponding to an integrated luminosity of 4.6 fb−1 collected with the ATLAS detector at the Large Hadron Collider in 2011. In total, 317 candidates, with a bac ... Full text Cite

Search for top and bottom squarks from gluino pair production in final states with missing transverse energy and at least three b-jets with the ATLAS detector

Journal Article European Physical Journal C · October 6, 2012 This letter reports the results of a search for top and bottom squarks from gluino pair production in 4.7 fb−1of pp collisions at √s = 7 TeV using the ATLAS detector at the LHC. The search is performed in events with large missing transverse momentum and a ... Full text Cite

Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 17, 2012 A search for the Standard Model Higgs boson in proton-proton collisions with the ATLAS detector at the LHC is presented. The datasets used correspond to integrated luminosities of approximately 4.8 fb -1 collected at s=7 TeV in 2011 and 5.8 fb -1 at s=8 Te ... Full text Cite

Evidence for the associated production of a W boson and a top quark in ATLAS at √s=7TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · September 17, 2012 This Letter presents evidence for the associated production of a W boson and a top quark using 2.05 fb−1 of pp collision data at s=7TeV accumulated with the ATLAS detector at the LHC. The analysis is based on the selection of the dileptonic final states wi ... Full text Cite

Measurement of the azimuthal ordering of charged hadrons with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 14, 2012 This paper presents a study of the possible ordering of charged hadrons in the azimuthal angle relative to the beam axis in high-energy proton-proton collisions at the Large Hadron Collider (LHC). A spectral analysis of correlations between longitudinal an ... Full text Cite

Search for second generation scalar leptoquarks in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article European Physical Journal C · September 13, 2012 The results of a search for the production of second generation scalar leptoquarks are presented for final states consisting of either two muons and at least two jets or a muon plus missing transverse momentum and at least two jets. A total of 1.03 fb ... Full text Cite

A search for flavour changing neutral currents in top-quark decays in pp collision data collected with the ATLAS detector at √s = 7 TeV

Journal Article Journal of High Energy Physics · September 1, 2012 A search for flavour changing neutral current (FCNC) processes in top-quark decays by the ATLAS Collaboration is presented. Data collected from pp collisions at the LHC at a centre-of-mass energy of √s = 7 TeV during 2011, corresponding to an integrated lu ... Full text Cite

Jet mass and substructure of inclusive jets in √s = 7TeV pp collisions with the ATLAS experiment

Journal Article Journal of High Energy Physics · August 20, 2012 Recent studies have highlighted the potential of jet substructure techniques to identify the hadronic decays of boosted heavy particles. These studies all rely upon the assumption that the internal substructure of jets generated by QCD radiation is well un ... Full text Cite

Search for supersymmetry with jets, missing transverse momentum and at least one hadronically decaying τ lepton in proton-proton collisions at s=7TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · August 14, 2012 A search for production of supersymmetric particles in final states containing jets, missing transverse momentum, and at least one hadronically decaying τ lepton is presented. The data were recorded by the ATLAS experiment in s=7TeV proton-proton collision ... Full text Cite

Search for charged Higgs bosons decaying via H± → τν in tt̄ events using pp collision data at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · August 6, 2012 The results of a search for charged Higgs bosons are presented. The analysis is based on 4.6 fb?1 of proton-proton collision data at √s = 7TeV collected by the ATLAS experiment at the Large Hadron Collider, using top quark pair events with a τ lepton in th ... Full text Cite

Combined search for the Standard Model Higgs boson in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · August 2, 2012 A combined search for the Standard Model Higgs boson with the ATLAS detector at the LHC is presented. The data sets used correspond to integrated luminosities from 4.6fb-1 to 4.9fb-1 of proton-proton collisions collected at √s=7TeV in 2011. The Higgs boson ... Full text Cite

Search for tb resonances in proton-proton collisions at √s=7 TeV with the ATLAS detector.

Journal Article Physical review letters · August 2012 This Letter presents a search for tb resonances in 1.04 fb(-1) of LHC proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 7 TeV. Events with a lepton, missing transverse momentum, and two jets are selected and the inv ... Full text Cite

Search for pair production of a new b' quark that decays into a Z boson and a bottom quark with the ATLAS detector.

Journal Article Physical review letters · August 2012 A search is reported for the pair production of a new quark b' with at least one b' decaying to a Z boson and a bottom quark. The data, corresponding to 2.0 fb(-1) of integrated luminosity, were collected from pp collisions at √s = 7 TeV with the ATLAS det ... Full text Cite

Measurement of inclusive jet and dijet production in pp collisions at √s=7TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 24, 2012 Inclusive jet and dijet cross sections have been measured in proton-proton collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. The cross sections were measured using jets clustered with the anti-kt algorith ... Full text Cite

Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at √(s)=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 23, 2012 A search is presented for heavy-quark pair production (QQ̄) under the decay hypothesis QQ̄→W+qW-q̄ with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04fb-1 of integrated luminosity from pp collisions at √s=7TeV collected b ... Full text Cite

Search for down-type fourth generation quarks with the ATLAS detector in events with one lepton and hadronically decaying W bosons.

Journal Article Physical review letters · July 2012 This Letter presents a search for pair production of heavy down-type quarks decaying via b' → Wt in the lepton + jets channel, as b'b' → W- tW+ t → bbW+ W- W+ W- → l± νbbqqqqqq. In addition to requiring exactly one lepton, large missing transverse momentum ... Full text Cite

Determination of the strange-quark density of the proton from ATLAS measurements of the W→ℓν and Z→ℓℓ cross sections.

Journal Article Physical review letters · July 2012 A QCD analysis is reported of ATLAS data on inclusive W(±) and Z boson production in pp collisions at the LHC, jointly with ep deep-inelastic scattering data from HERA. The ATLAS data exhibit sensitivity to the light quark sea composition and magnitude at ... Full text Cite

Hunt for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in 4.7 fb-1 of √s = 7 TeV proton-proton collisions

Journal Article Journal of High Energy Physics · July 1, 2012 Results are presented of a search for new particles decaying to large numbers of jets in association with missing transverse momentum, using 4.7 fb-1 of pp collision data at √s = 7 TeV collected by the ATLAS experiment at the Large Hadron Collider in 2011. ... Full text Cite

Search for resonant WZ production in the WZ → ℓνℓ′ ℓ ′ channel in √ (s) = 7 TeV pp collisions with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 25, 2012 A generic search is presented for a heavy particle decaying to WZ → ℓν′ ℓ ′ (ℓ, ℓ′ = e, μ)final states. The data were recorded by the ATLAS detector in ffiffiffis √ s = 7 TeV pp collisions at the Large Hadron Collider and correspond to an integrated lumino ... Full text Cite

Search for supersymmetry in pp collisions at √s=7TeV in final states with missing transverse momentum and b-jets with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 15, 2012 The results of a search for supersymmetry in events with large missing transverse momentum and heavy-flavor jets using an integrated luminosity corresponding to 2.05fb-1 of pp collisions at √s=7TeV recorded with the ATLAS detector at the Large Hadron Colli ... Full text Cite

Search for FCNC single top-quark production at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 12, 2012 A search for the production of single top-quarks via flavour-changing neutral-currents is presented. Data collected with the ATLAS detector at a centre-of-mass energy of s=7 TeV, corresponding to an integrated luminosity of 2.05 fb−1, are used. Candidate e ... Full text Cite

Measurement of the cross section for top-quark pair production in pp collisions at √s = 7 TeV with the ATLAS detector using final states with two high-pT leptons

Journal Article Journal of High Energy Physics · June 11, 2012 A measurement is reported of the production cross section of top-quark pairs (tt̄) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. Candidate events have a signature consistent with containing two ... Full text Cite

Search for supersymmetry in events with three leptons and missing transverse momentum in √[s]=7 TeV pp collisions with the ATLAS detector.

Journal Article Physical review letters · June 2012 A search for the weak production of charginos and neutralinos decaying to a final state with three leptons (electrons or muons) and missing transverse momentum is presented. The analysis uses 2.06 fb(-1) of √[s]=7 TeV proton-proton collision data delivered ... Full text Cite

Search for pair production of a heavy up-type quark decaying to a W boson and a b quark in the lepton + jets channel with the ATLAS detector.

Journal Article Physical review letters · June 2012 A search is presented for production of a heavy up-type quark (t') together with its antiparticle, assuming subsequent decay to a W boson and a b quark, t't[over ¯]'→W(+)bW(-)b[over ¯]. The search is based on 1.04 fb(-1) of proton-proton collisions at √[s] ... Full text Cite

Search for a light Higgs boson decaying to long-lived weakly interacting particles in proton-proton collisions at sqrt[s] = 7 TeV with the ATLAS detector.

Journal Article Physical review letters · June 2012 A search for the decay of a light Higgs boson (120-140 GeV) to a pair of weakly interacting, long-lived particles in 1.94 fb(-1) of proton-proton collisions at sqrt[s] = 7 TeV recorded in 2011 by the ATLAS detector is presented. The search strategy require ... Full text Cite

Search for gluinos in events with two same-sign leptons, jets, and missing transverse momentum with the ATLAS detector in pp collisions at sqrt[s]=7  TeV.

Journal Article Physical review letters · June 2012 A search is presented for gluinos decaying via the supersymmetric partner of the top quark using events with two same-sign leptons, jets, and missing transverse momentum. The analysis is performed with 2.05  fb(-1) of integrated luminosity from pp collisio ... Full text Cite

Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at √s=7 TeV

Journal Article European Physical Journal C · June 1, 2012 In models of anomaly-mediated supersymmetry breaking (AMSB), the lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. This letter explores AMSB scenarios in pp collisions at (Formula Presented) = 7 TeV by at ... Full text Cite

Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · May 23, 2012 A measurement of the cross section for the production of an isolated photon in association with jets in proton-proton collisions at a center-of-mass energy √s=7TeV is presented. Photons are reconstructed in the pseudorapidity range |ηγ|<1.37 and with a tra ... Full text Cite

Erratum to: "Search for first generation scalar leptoquarks in pp collisions at s=7TeV with the ATLAS detector" [Phys. Lett. B 709 (2012) 158]

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · May 23, 2012 Full text Cite

Study of jets produced in association with a W boson in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · May 2, 2012 We report a study of final states containing a W boson and hadronic jets, produced in proton-proton collisions at a center-of-mass energy of 7 TeV. The data were collected with the ATLAS detector at the CERN LHC and comprise the full 2010 data sample of 36 ... Full text Cite

Observation of spin correlation in tt¯ events from pp collisions at √s=7 TeV using the ATLAS detector.

Journal Article Physical review letters · May 2012 A measurement of spin correlation in tt[over ¯] production is reported using data collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 2.1 fb(-1). Candidate events are selected in the dilepton topology with large missi ... Full text Cite

Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7 TeV collected by the ATLAS detector.

Journal Article Physical review letters · May 2012 This Letter describes a model-independent search for the production of new resonant states in photon+jet events in 2.11 fb(-1) of proton-proton collisions at √s=7 TeV. We compare the photon+jet mass distribution to a background model derived from data and ... Full text Cite

Search for scalar bottom quark pair production with the ATLAS detector in pp collisions at sqrt[s]=7  TeV.

Journal Article Physical review letters · May 2012 The results of a search for pair production of the scalar partners of bottom quarks in 2.05  fb(-1) of pp collisions at sqrt[s]=7  TeV using the ATLAS experiment are reported. Scalar bottom quarks are searched for in events with large missing transverse mo ... Full text Cite

Measurement of the polarisation of W bosons produced with large transverse momentum in pp collisions at √s =7 TeV with the ATLAS experiment

Journal Article European Physical Journal C · May 1, 2012 This paper describes an analysis of the angular distribution of W→eν and W→μν decays, using data from pp collisions at √s =7 TeV recorded with the ATLAS detector at the LHC in 2010, corresponding to an integrated luminosity of about 35 pb-1. Using the deca ... Full text Cite

Search for excited leptons in proton-proton collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · April 27, 2012 The ATLAS detector is used to search for excited leptons in the electromagnetic radiative decay channel *→γ. Results are presented based on the analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 2.05f ... Full text Cite

Measurement of the inclusive W± and Z/γ∗ cross sections in the e and μ decay channels in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · April 24, 2012 The production cross sections of the inclusive Drell-Yan processes W ±→ν and Z/γ∗→(=e, μ) are measured in proton-proton collisions at √s=7TeV with the ATLAS detector. The cross sections are reported integrated over a fiducial kinematic range, extrapolated ... Full text Cite

Measurement of the centrality dependence of the charged particle pseudorapidity distribution in lead-lead collisions at √s NN=2.76 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 12, 2012 The ATLAS experiment at the LHC has measured the centrality dependence of charged particle pseudorapidity distributions over |η|<2 in lead-lead collisions at a nucleon-nucleon centre-of-mass energy of √s NN=2.76 TeV. In order to include particles with tran ... Full text Cite

Observation of a new χ(b) state in radiative transitions to Υ(1S) and Υ(2S) at ATLAS.

Journal Article Physical review letters · April 2012 The χ(b)(nP) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider at sqrt[s] = 7  TeV and recorded by the ATLAS detector. Using a data sample corresponding to an integrated luminosity of 4.4  fb(-1), these states are reco ... Full text Cite

Search for same-sign top-quark production and fourth-generation down-type quarks in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · April 1, 2012 A search is presented for same-sign top-quark production and down-type heavy quarks of charge -1/3 in events with two isolated leptons (e or μ) that have the same electric charge, at least two jets and large missing transverse momentum. The data are select ... Full text Cite

Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at s=7TeV with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 29, 2012 A combined search for the Standard Model Higgs boson with the ATLAS experiment at the LHC using datasets corresponding to integrated luminosities from 1.04 fb-1 to 4.9 fb-1 of pp collisions collected at s=7TeV is presented. The Higgs boson mass ranges 112. ... Full text Cite

Search for squarks and gluinos using final states with jets and missing transverse momentum with the Atlas detector in s=7 TeV proton-proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 29, 2012 A search for squarks and gluinos in events containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2011 by the ATLAS experiment in s=7 TeV proton-proton collisions at the Large Hadron Collider. No exce ... Full text Cite

Search for strong gravity signatures in same-sign dimuon final states using the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 23, 2012 A search for microscopic black holes has been performed in a same-sign dimuon final state using 1.3 fb -1 of proton-proton collision data collected with the ATLAS detector at a centre of mass energy of 7 TeV at the CERN Large Hadron Collider. The data are ... Full text Cite

Measurement of the W ±Z production cross section and limits on anomalous triple gauge couplings in proton-proton collisions at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 23, 2012 This Letter presents a measurement of W ±Z production in 1.02 fb -1 of pp collision data at s=7 TeV collected by the ATLAS experiment in 2011. Doubly leptonic decay events are selected with electrons, muons and missing transverse momentum in the final stat ... Full text Cite

Measurement of D meson production in jets from pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 19, 2012 This paper reports a measurement of D *± meson production in jets from proton-proton collisions at a center-of-mass energy of √s=7TeV at the CERN Large Hadron Collider. The measurement is based on a data sample recorded with the ATLAS detector with an inte ... Full text Cite

Searches for supersymmetry with the ATLAS detector using final states with two leptons and missing transverse momentum in s=7TeV proton-proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 19, 2012 Results of three searches are presented for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons, e or μ. The analysis uses a data sample collected during the first half of ... Full text Cite

Search for first generation scalar leptoquarks in pp collisions at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 19, 2012 We report a search for first generation scalar leptoquarks using 1.03fb-1 of proton-proton collisions data produced by the Large Hadron Collider at s=7 TeV and recorded by the ATLAS experiment. Leptoquarks are sought via their decay into an electron or neu ... Full text Cite

Rapidity gap cross sections measured with the ATLAS detector in pp collisions at √s =7 TeV

Journal Article European Physical Journal C · March 13, 2012 Pseudorapidity gap distributions in proton-proton collisions at √s = 7 TeV are studied using a minimum bias data sample with an integrated luminosity of 7.1 μb−1. Cross sections are measured differentially in terms of ΔηF, the larger ... Full text Cite

Search for the Higgs boson in the H→WW(*)→ℓ(+)νℓ(-)ν decay channel in pp collisions at √s=7 TeV with the ATLAS detector.

Journal Article Physical review letters · March 2012 A search for the Higgs boson has been performed in the H→WW(*)→ℓ(+)νℓ(-)ν[over ¯] channel (ℓ=e/μ) with an integrated luminosity of 2.05 fb(-1) of pp collisions at √s=7 TeV collected with the ATLAS detector at the Large Hadron Collider. No significant exces ... Full text Cite

Search for the standard model Higgs boson in the diphoton decay channel with 4.9 fb(-1) of pp collision data at √s=7 TeV with ATLAS.

Journal Article Physical review letters · March 2012 A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a cente ... Full text Cite

Electron performance measurements with the ATLAS detector using the 2010 LHC proton-proton collision data

Journal Article European Physical Journal C · March 1, 2012 Detailed measurements of the electron performance of the ATLAS detector at the LHC are reported, using decays of the Z, W and J/ψ particles. Data collected in 2010 at √s = 7 TeV are used, corresponding to an integrated luminosity of almost 40 pb-1. The int ... Full text Cite

Measurement of the production cross section for Z/γ* in association with jets in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · February 28, 2012 Results are presented on the production of jets of particles in association with a Z/γ* boson, in proton-proton collisions at √s=7TeV with the ATLAS detector. The analysis includes the full 2010 data set, collected with a low rate of multiple proton-proton ... Full text Cite

A measurement of the ratio of the W and Z cross sections with exactly one associated jet in pp collisions at s=7TeV with ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 28, 2012 The ratio of production cross sections of the W and Z bosons with exactly one associated jet is presented as a function of jet transverse momentum threshold. The measurement has been designed to maximise cancellation of experimental and theoretical uncerta ... Full text Cite

Search for anomalous production of prompt like-sign muon pairs and constraints on physics beyond the standard model with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · February 17, 2012 An inclusive search for anomalous production of two prompt, isolated muons with the same electric charge is presented. The search is performed in a data sample corresponding to 1.6fb-1 of integrated luminosity collected in 2011 at √s=7TeV with the ATLAS de ... Full text Cite

Search for new physics in the dijet mass distribution using 1 fb -1 of pp collision data at √s=7 TeV collected by the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 14, 2012 Invariant mass distributions of jet pairs (dijets) produced in LHC proton-proton collisions at a centre-of-mass energy s=7 TeV have been studied using a data set corresponding to an integrated luminosity of 1.0 fb -1 recorded in 2011 by ATLAS. Dijet masses ... Full text Cite

Measurements of the electron and muon inclusive cross-sections in proton-proton collisions at √s=7TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 7, 2012 This Letter presents measurements of the differential cross-sections for inclusive electron and muon production in proton-proton collisions at a centre-of-mass energy of s=7TeV, using data collected by the ATLAS detector at the LHC. The muon cross-section ... Full text Cite

Measurement of the top quark pair production cross section in pp collisions at √s=7TeV in dilepton final states with ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 7, 2012 A measurement of the production cross section of top quark pairs (tt̄) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider is reported. Candidate events are selected in the dilepton t ... Full text Cite

Search for displaced vertices arising from decays of new heavy particles in 7 TeV pp collisions at ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 7, 2012 We present the results of a search for new, heavy particles that decay at a significant distance from their production point into a final state containing charged hadrons in association with a high-momentum muon. The search is conducted in a pp-collision d ... Full text Cite

Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 1, 2012 A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at √s = 7 TeV. Production via top decay is not included in the signal definition. The measurement ... Full text Cite

Measurement of the pseudorapidity and transverse momentum dependence of the elliptic flow of charged particles in lead-lead collisions at sNN=2.76 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · February 1, 2012 This Letter describes the measurement of elliptic flow of charged particles in lead-lead collisions at sNN=2.76 TeV using the ATLAS detector at the Large Hadron Collider (LHC). The results are based on an integrated luminosity of approximately 7 μb-1. Elli ... Full text Cite

Measurement of the transverse momentum distribution of W bosons in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 18, 2012 This paper describes a measurement of the W boson transverse momentum distribution using ATLAS pp collision data from the 2010 run of the LHC at √s=7TeV, corresponding to an integrated luminosity of about 31pb -1. Events form both W→eν and W→μν are used, a ... Full text Cite

Search for supersymmetry in final states with jets, missing transverse momentum and one isolated lepton in √s=7TeV pp collisions using 1fb -1 of ATLAS data

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 18, 2012 We present an update of a search for supersymmetry in final states containing jets, missing transverse momentum, and one isolated electron or muon, using 1.04fb -1 of proton-proton collision data at √s=7TeV recorded by the ATLAS experiment at the LHC in th ... Full text Cite

Search for a heavy Standard Model Higgs boson in the channel H→ZZ→ℓ+-qq̄ using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 16, 2012 A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ-qq̄, where ℓ=e, μ, is presented. The search is performed using a data set of pp collisions at √s=7 TeV, corresponding to an integrated luminosity of 1.04 fb-1 collected in 2011 by the ATL ... Full text Cite

Measurement of the isolated diphoton cross section in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 11, 2012 The ATLAS experiment has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at √s=7TeV. The full data set acquired in 2010 is used, corresponding to an integrated luminosity of 37pb -1. ... Full text Cite

Ks0 and Λ production in pp interactions at √s=0.9 and 7 TeV measured with the ATLAS detector at the LHC

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · January 6, 2012 The production of KS0 and Λ hadrons is studied in pp collision data at √s=0.9 and 7 TeV collected with the ATLAS detector at the LHC using a minimum-bias trigger. The observed distributions of transverse momentum, rapidity, and multiplicity are corrected t ... Full text Cite

Measurement of the W→τντ cross section in pp collisions at s=7 TeV with the ATLAS experiment

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 5, 2012 The cross section for the production of W bosons with subsequent decay W→τντ is measured with the ATLAS detector at the LHC. The analysis is based on a data sample that was recorded in 2010 at a proton-proton center-of-mass energy of s=7 TeV and correspond ... Full text Cite

Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 5, 2012 A measurement is presented of the inclusive cross-section for b-jet production in association with a Z boson in pp collisions at a centre-of-mass energy of s=7 TeV. The analysis uses the data sample collected by the ATLAS experiment in 2010, corresponding ... Full text Cite

Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A measurement of the production cross-section for top quark pairs (tt-) in pp collisions at s=7TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in the single lepton topology by requiring an elec ... Full text Cite

Search for a Standard Model Higgs boson in the mass range 200-600GeV in the H→ZZ→ℓ+ℓ-qq̄ decay channel with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ-qq̄, where ℓ=e or μ, is presented. The search uses a data set of pp collisions at s=7TeV, corresponding to an integrated luminosity of 4.7fb-1 collected in 2011 by the ATLAS detector at t ... Full text Cite

Measurement of the top quark pair cross section with ATLAS in pp collisions at s=7 TeV using final states with an electron or a muon and a hadronically decaying τ lepton

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A measurement of the cross section of top quark pair production in proton-proton collisions recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV is reported. The data sample used corresponds to an integrated lum ... Full text Cite

Measurement of the b-hadron production cross section using decays to D *+μ -X final states in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Nuclear Physics B · 2012 The b-hadron production cross section is measured with the ATLAS detector in pp collisions at s=7TeV, using 3.3pb -1 of integrated luminosity, collected during the 2010 LHC run. The b-hadrons are selected by partially reconstructing D z.ast;+μ -X final sta ... Full text Cite

Search for TeV-scale gravity signatures in final states with leptons and jets with the ATLAS detector at √ s=7 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 The production of events with multiple high transverse momentum particles including charged leptons and jets is measured, using 1.04 fb-1 of proton-proton collision data recorded by the ATLAS detector during the first half of 2011 at √s=7 TeV. No excess be ... Full text Cite

Search for heavy vector-like quarks coupling to light quarks in proton-proton collisions at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 This Letter presents a search for singly produced vector-like quarks, Q, coupling to light quarks, q. The search is sensitive to both charged current (CC) and neutral current (NC) processes, pp→Qq→Wqq' and pp→Qq→Zqq' with a leptonic decay of the vector gau ... Full text Cite

Measurement of the WW cross section in √s=7 TeV pp collisions with the ATLAS detector and limits on anomalous gauge couplings

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 This Letter reports a measurement of the WW production cross section in √s=7 TeV pp collisions using data corresponding to an integrated luminosity of 1.02 fb-1 collected with the ATLAS detector. Using leptonic decays of oppositely charged W bosons, the to ... Full text Cite

Search for new particles decaying to ZZ using final states with leptons and jets with the ATLAS detector in √s=7 TeV proton-proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A search is presented for a narrow resonance decaying to a pair of Z bosons using data corresponding to 1.02fb-1 of integrated luminosity collected by the ATLAS experiment from pp collisions at √s=7TeV. Events containing either four charged leptons (ℓℓℓℓ) ... Full text Cite

Search for the decay Bs0→μ+μ- with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A blind analysis searching for the decay Bs0→μ+μ- has been performed using proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. With an integrated luminosity of 2.4 fb-1 no excess of events over the back ... Full text Cite

Search for the Standard Model Higgs boson in the H→WW({star operator})→ℓνℓν decay mode with 4.7 fb-1 of ATLAS data at √s=7 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A search for the Standard Model Higgs boson in the H→WW({star operator})→ℓνℓν (ℓ=e, μ) decay mode is presented. The search is performed using proton-proton collision data corresponding to an integrated luminosity of 4.7 fb-1 at a centre-of-mass energy of 7 ... Full text Cite

Search for the Standard Model Higgs boson in the decay channel H→ZZ(*)→4ℓ with 4.8 fb-1 of pp collision data at √s=7 TeV with ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 This Letter presents a search for the Standard Model Higgs boson in the decay channel H→ZZ(*)→ℓ+ℓ-ℓ'+ℓ'-, where ℓ, ℓ'=e or μ, using proton-proton collisions at √s=7 TeV recorded with the ATLAS detector and corresponding to an integrated luminosity of 4.8 f ... Full text Cite

Search for scalar top quark pair production in natural gauge mediated supersymmetry models with the ATLAS detector in pp collisions at s=7TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 The results of a search for pair production of the lighter scalar partners of top quarks (t~1) in 2.05 fb-1 of pp collisions at s=7 TeV using the ATLAS experiment at the LHC are reported. Scalar top quarks are searched for in events with two same flavour o ... Full text Cite

Search for events with large missing transverse momentum, jets, and at least two tau leptons in 7 TeV proton-proton collision data with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A search for events with large missing transverse momentum, jets, and at least two tau leptons has been performed using 2 fb-1 of proton-proton collision data at s=7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No excess above the Sta ... Full text Cite

Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 A search for diphoton events with large missing transverse momentum has been performed using 1.07 fb -1 of proton-proton collision data at s=7 TeV recorded with the ATLAS detector. No excess of events was observed above the Standard Model prediction and 95 ... Full text Cite

Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 Using data recorded in 2011 with the ATLAS detector at the Large Hadron Collider, a search for evidence of extra spatial dimensions has been performed through an analysis of the diphoton final state. The analysis uses data corresponding to an integrated lu ... Full text Cite

Search for contact interactions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · 2012 This Letter presents a search for contact interactions in the dielectron and dimuon channels using data from proton-proton collisions produced by the LHC at s=7 TeV and recorded by the ATLAS detector. The data sample, collected in 2011, corresponds to an i ... Full text Cite

Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector

Journal Article European Physical Journal C · January 1, 2012 A search for a fermiophobic Higgs boson using diphoton events produced in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV is performed using data corresponding to an integrated luminosity of 4.9 fb−1collected by the ATLAS experiment at th ... Full text Cite

Measurement of τ polarization in Wτν decays with the ATLAS detector in pp collisions at [Formula: see text].

Journal Article The European physical journal. C, Particles and fields · January 2012 In this paper, a measurement of τ polarization in W→τν decays is presented. It is measured from the energies of the decay products in hadronic τ decays with a single final state charged particle. The data, corresponding to an in ... Full text Cite

Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at [Formula: see text] with the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2012 This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, WR, in events with high transverse momentum objects which include two reconstructed leptons and at least one hadronic jet. The resu ... Full text Cite

Search for lepton flavour violation in the continuum with the ATLAS detector in [Formula: see text]pp collisions at the LHC.

Journal Article The European physical journal. C, Particles and fields · January 2012 This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark ([Formula: see text]) in the e±μ∓ continuum using 2.1 fb-1 of data collected by the ATLAS detecto ... Full text Cite

Measurement of [Formula: see text] production with a veto on additional central jet activity in pp collisions at [Formula: see text] TeV using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2012 A measurement of the jet activity in [Formula: see text] events produced in proton-proton collisions at a centre-of-mass energy of 7 TeV is presented, using 2.05 fb-1 of integrated luminosity collected by the ATLAS detector at the Large Hadron C ... Full text Cite

Measurement of the top quark mass with the template method in the [Formula: see text] channel using ATLAS data.

Journal Article The European physical journal. C, Particles and fields · January 2012 The top quark mass has been measured using the template method in the [Formula: see text] channel based on data recorded in 2011 with the ATLAS detector at the LHC. The data were taken at a proton-proton centre-of-mass energy of [Formula: see text] and cor ... Full text Cite

Measurement of the charge asymmetry in top quark pair production in pp collisions at [Formula: see text] using the ATLAS detector.

Journal Article The European physical journal. C, Particles and fields · January 2012 A measurement of the top-antitop production charge asymmetry AC is presented using data corresponding to an integrated luminosity of 1.04 fb-1 of pp collisions at [Formula: see text] TeV collected by the ATLAS det ... Full text Cite

A search for tt̄ resonances in lepton+jets events with highly boosted top quarks collected in pp collisions at √s = 7TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2012 A search for resonant production of high-mass top-quark pairs is performed on 2.05 fb-1 of proton-proton collisions at √s = 7 TeV collected in 2011 with the ATLAS experiment at the Large Hadron Collider. This analysis of the lepton+jets final state is spec ... Full text Cite

Search for the Standard Model Higgs boson in the H → τ+τ- decay mode in √s = 7TeV pp collisions with ATLAS

Journal Article Journal of High Energy Physics · January 1, 2012 A search for the Standard Model Higgs boson decaying into a pair of τ leptons is reported. The analysis is based on a data sample of proton-proton collisions collected by the ATLAS experiment at the LHC and corresponding to an integrated luminosity of 4.7f ... Full text Cite

Measurement of the W boson polarization in top quark decays with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2012 This paper presents measurements of the polarization ofW bosons in top quark decays, derived from tt̄ events with missing transverse momentum, one charged lepton and at least four jets, or two charged leptons and at least two jets. Data from pp collisions a ... Full text Cite

Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector

Journal Article European Physical Journal C · January 1, 2012 New metastable massive particles with electric and colour charge are features of many theories beyond the Standard Model. A search is performed for long-lived gluino-based R-hadrons with the ATLAS detector at the LHC using a data sample corresponding to an ... Full text Cite

Search for new phenomena in tt events with large missing transverse momentum in proton-proton collisions at sqrt[s] = 7 TeV with the ATLAS detector.

Journal Article Physical review letters · January 2012 A search for new phenomena in tt events with large missing transverse momentum in proton-proton collisions at a center-of-mass energy of 7 TeV is presented. The measurement is based on 1.04 fb(-1) of data collected with the ATLAS detector at the LHC. Contr ... Full text Cite

Measurement of the ZZ production cross section and limits on anomalous neutral triple gauge couplings in proton-proton collisions at sqrt[s] = 7 TeV with the ATLAS detector.

Journal Article Physical review letters · January 2012 A measurement of the ZZ production cross section in proton-proton collisions at sqrt[s] = 7 TeV using data corresponding to an integrated luminosity of 1.02 fb(-1) recorded by the ATLAS experiment at the LHC is presented. Twelve events containing two Z bos ... Full text Cite

A study of the material in the ATLAS inner detector using secondary hadronic interactions

Journal Article Journal of Instrumentation · January 1, 2012 The ATLAS inner detector is used to reconstruct secondary vertices due to hadronic interactions of primary collision products, so probing the location and amount of material in the inner region of ATLAS. Data collected in 7 TeV pp collisions at the LHC, wi ... Full text Cite

Measurements of the pseudorapidity dependence of the total transverse energy in proton-proton collisions at √s = 7TeV with ATLAS

Journal Article Journal of High Energy Physics · January 1, 2012 This paper describes measurements of the sum of the transverse energy of particles as a function of particle pseudorapidity, η, in proton-proton collisions at a centre-of-mass energy, √s = 7TeV using the ATLAS detector at the Large Hadron Collider. The mea ... Full text Cite

Performance of missing transverse momentum reconstruction in proton-proton collisions at√s = 7 TeV with atlas

Journal Article European Physical Journal C · January 1, 2012 The measurement of missing transverse momentum in the ATLAS detector, described in this paper, makes use of the full event reconstruction and a calibration based on reconstructed physics objects. The performance of the missing transverse momentum reconstru ... Full text Cite

Performance of the ATLAS trigger system in 2010

Journal Article European Physical Journal C · January 1, 2012 Proton-proton collisions at √S = 7 TeV and heavy ion collisions at √SNN = 2.76 TeV were produced by the LHC and recorded using the ATLAS experiment's trigger system in 2010. The LHC is designed with a maximum bunch crossing rate of 40 MHz and the ATLAS tri ... Full text Cite

Measurement of the azimuthal anisotropy for charged particle production in √SNN = 2.76 TeV lead-lead collisions with the ATLAS detector

Journal Article Physical Review C - Nuclear Physics · January 1, 2012 Differential measurements of charged particle azimuthal anisotropy are presented for lead-lead collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC, based on an integrated luminosity of approximately 8 μb− 1. This anisotropy is characterized vi ... Full text Cite

Forward-backward correlations and charged-particle azimuthal distributions in pp interactions using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2012 Using inelastic proton-proton interactions at √s =900 GeV and 7TeV, recorded by the ATLAS detector at the LHC, measurements have been made of the correlations between forward and backward charged-particle multiplicities and, for the first time, between for ... Full text Cite

Measurement of inclusive two-particle angular correlations in pp collisions with the atlas detector at the LHC

Journal Article Journal of High Energy Physics · January 1, 2012 We present a measurement of two-particle angular correlations in protonproton collisions at √a = 900 GeV and 7TeV. The collision events were collected during 2009 and 2010 with the ATLAS detector at the Large Hadron Collider using a single-arm minimum bias ... Full text Cite

Search for anomalous production of prompt like-sign lepton pairs at √s =7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2012 An inclusive search for anomalous production of two prompt, isolated leptons with the same electric charge is presented. The search is performed in a data sample corresponding to 4.7 fb-1 of integrated luminosity collected in 2011 at √s =7 TeV with the ATL ... Full text Cite

ATLAS search for a heavy gauge boson decaying to a charged lepton and a neutrino in pp collisions at √s =7 TeV

Journal Article European Physical Journal C · January 1, 2012 The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons (Wʹ), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a center-of-mass ... Full text Cite

Search for pair production of massive particles decaying into three quarks with the ATLAS detector in √s = 7 TeV pp collisions at the LHC

Journal Article Journal of High Energy Physics · January 1, 2012 A search is conducted for hadronic three-body decays of a new massive coloured particle in √s = 7 TeV pp collisions at the LHC using an integrated luminosity of 4.6 fb-1 collected by the ATLAS detector. Supersymmetric gluino pair production in the context ... Full text Cite

Measurement of the jet fragmentation function and transverse profile in proton–proton collisions at a center-of-mass energy of 7 TeV with the ATLAS detector

Journal Article European Physical Journal C · December 21, 2011 The jet fragmentation function and transverse profile for jets with 25 GeV< pTjet < 500 GeV and |ηjet| < 1.2 produced in proton–proton collisions with a center-ofmass energy of 7 TeV are presented. The measurement is performed using data with an integrated ... Full text Cite

Measurement of the Z→ττ cross section with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · December 14, 2011 The Z→ττ cross section is measured with the ATLAS experiment at the LHC in four different final states determined by the decay modes of the τ leptons: muon-hadron, electron-hadron, electron-muon, and muon-muon. The analysis is based on a data sample corres ... Full text Cite

Search for a heavy neutral particle decaying into an electron and a muon using 1 fb-1 of atlas data

Journal Article European Physical Journal C · December 7, 2011 A search is presented for a high mass neutral particle that decays directly to the e±μ∓ final state. The data sample was recorded by the ATLAS detector in √ s = 7 TeV pp collisions at the LHC from March to June 2011 and corresponds to an integrated luminos ... Full text Cite

Measurement of the inclusive isolated prompt photon cross-section in pp collisions at √s=7 TeV using 35 pb-1 of ATLAS data

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · December 6, 2011 A measurement of the differential cross-section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The measurement covers the pseudorapidity ranges |η|<1.37 and 1.52≤|η|<2.37 in the tr ... Full text Cite

Search for dilepton resonances in pp collisions at 7 TeV with the ATLAS detector

Journal Article Physical Review Letters · December 2011 Cite

Search for the Higgs boson in the H→WW→lνjj decay channel in pp collisions at √s=7 TeV with the ATLAS detector.

Journal Article Physical review letters · December 2011 A search for a Higgs boson has been performed in the H→WW→ℓνjj channel in 1.04 fb(-1) of pp collision data at √s=7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No significant excess of events is observed over the expected background a ... Full text Cite

Search for the Standard Model Higgs boson in the two photon decay channel with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 24, 2011 A search for the Standard Model Higgs boson in the two photon decay channel is reported, using 1.08 fb-1 of proton-proton collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS detector. No significant excess is observed in the investigat ... Full text Cite

Search for the Standard Model Higgs boson in the decay channel H→ZZ(*)→4ℓ with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 24, 2011 A search for the Standard Model Higgs boson in the decay channel H→ZZ(*)→ℓ+ℓ-ℓ'+ℓ'-, where ℓ=e, μ, is presented. Proton-proton collision data at s=7TeV recorded with the ATLAS detector and corresponding to an average integrated luminosity of 2.1fb-1 are co ... Full text Cite

Measurement of the transverse momentum distribution of Z/γ* bosons in proton-proton collisions at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 24, 2011 A measurement of the Z/γ* transverse momentum (pTZ) distribution in proton-proton collisions at s=7 TeV is presented using Z/γ*→e+e- and Z/γ*→μ+μ- decays collected with the ATLAS detector in data sets with integrated luminosities of 35 pb-1 and 40 pb-1, re ... Full text Cite

Search for new phenomena with the monojet and missing transverse momentum signature using the ATLAS detector in s=7TeV proton-proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · November 17, 2011 A search for new phenomena in events featuring a high energy jet and large missing transverse momentum in proton-proton collisions at s=7TeV is presented using a dataset corresponding to an integrated luminosity of 33 pb-1 recorded with the ATLAS detector ... Full text Cite

Search for a standard model Higgs boson in the H→ZZ→ℓ(+)ℓ(-)νν decay channel with the ATLAS detector.

Journal Article Physical review letters · November 2011 A search for a heavy standard model Higgs boson decaying via H→ZZ→→ℓ(+)ℓ(-)νν, where ℓ=e, μ, is presented. It is based on proton-proton collision data at √s=7 TeV, collected by the ATLAS experiment at the LHC in the first half of 2011 and corresponding to ... Full text Cite

Inclusive search for same-sign dilepton signatures in pp collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · October 1, 2011 An inclusive search is presented for new physics in events with two isolated leptons (e or μ) having the same electric charge. The data are selected from events collected from pp collisions at √s = 7 TeV by the ATLAS detector and correspond to an integrate ... Full text Cite

Properties of jets measured from tracks in proton-proton collisions at center-of-mass energy √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · September 20, 2011 Full text Cite

Measurement of the inelastic proton-proton cross-section at √s=7 TeV with the ATLAS detector.

Journal Article Nature communications · September 2011 The dependence of the rate of proton-proton interactions on the centre-of-mass collision energy, √s, is of fundamental importance for both hadron collider physics and particle astrophysics. The dependence cannot yet be calculated from first principles; the ... Full text Cite

Measurement of the W+ W- cross section in sqrt(s) = 7  TeV pp collisions with ATLAS.

Journal Article Physical review letters · July 2011 This Letter presents a measurement of the W+ W- production cross section in sqrt(s) = 7  TeV pp collisions by the ATLAS experiment, using 34  pb(-1) of integrated luminosity produced by the Large Hadron Collider at CERN. Selecting events with two isolated ... Full text Cite

Search for contact interactions in dimuon events from pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · July 1, 2011 A search for contact interactions has been performed using dimuon events recorded with the ATLAS detector in proton-proton collisions at √s=7TeV. The data sample corresponds to an integrated luminosity of 42pb-1. No significant deviation from the standard ... Full text Cite

Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in √s = 7 TeV proton-proton collisions with the ATLAS experiment

Journal Article European Physical Journal C · July 1, 2011 Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in √s = 7 TeV proton-proton collisions at the Large Hadron Collider. Search strate ... Full text Cite

Search for an excess of events with an identical flavour lepton pair and significant missing transverse momentum in √s = TeV proton-proton collisions with the ATLAS detector

Journal Article European Physical Journal C · July 1, 2011 Results are presented of a search for particles decaying into final states with significant missing transverse momentum and exactly two identical flavour leptons (e, μ) of opposite charge in √s = TeV collisions at the Large Hadron Collider. This channel is ... Full text Cite

Measurement of the W charge asymmetry in the W→μν decay mode in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 27, 2011 This Letter reports a measurement of the muon charge asymmetry from W bosons produced in proton–proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS experiment at the LHC. The asymmetry is measured in the W→μν decay mode as a function of th ... Full text Cite

Search for high-mass states with one lepton plus missing transverse momentum in proton–proton collisions at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 27, 2011 The ATLAS detector is used to search for high-mass states, such as heavy charged gauge bosons (W′,W⁎), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a center-of-mass energy o ... Full text Cite

Search for stable hadronising squarks and gluinos with the ATLAS experiment at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · June 27, 2011 Hitherto unobserved long-lived massive particles with electric and/or colour charge are predicted by a range of theories which extend the Standard Model. In this Letter a search is performed at the ATLAS experiment for slow-moving charged particles produce ... Full text Cite

Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · June 15, 2011 This paper describes searches for the pair production of first or second generation scalar leptoquarks using 35pb-1 of proton-proton collision data recorded by the ATLAS detector at √s=7TeV. Leptoquarks are searched in events with two oppositely-charged mu ... Full text Cite

Search for a heavy particle decaying into an electron and a muon with the ATLAS detector in sqrt[s] = 7 TeV pp collisions at the LHC.

Journal Article Physical review letters · June 2011 This Letter presents the first search for a heavy particle decaying into an e ± μ(-/+) final state in sqrt[s] = 7 TeV pp collisions at the LHC. The data were recorded by the ATLAS detector during 2010 and correspond to a total integrated luminosity of 35 p ... Full text Cite

Measurement of underlying event characteristics using charged particles in pp collisions at √s=900GeV and 7 TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · May 31, 2011 Measurements of charged particle distributions, sensitive to the underlying event, have been performed with the ATLAS detector at the LHC. The measurements are based on data collected using a minimum-bias trigger to select proton-proton collisions at cente ... Full text Cite

Search for massive long-lived highly ionising particles with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 25, 2011 A search is made for massive highly ionising particles with lifetimes in excess of 100 ns, with the ATLAS experiment at the Large Hadron Collider, using 3.1 pb-1 of pp collision data taken at √s=7 TeV. The signature of energy loss in the ATLAS inner detect ... Full text Cite

Measurement of the production cross section for W-bosons in association with jets in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 25, 2011 This Letter reports on a first measurement of the inclusive W+jets cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC, with the ATLAS detector. Cross sections, in both the electron and muon decay modes of the W-boson, ... Full text Cite

Measurement of dijet azimuthal decorrelations in pp collisions at sqrt(s)=7  TeV.

Journal Article Physical review letters · April 2011 Azimuthal decorrelations between the two central jets with the largest transverse momenta are sensitive to the dynamics of events with multiple jets. We present a measurement of the normalized differential cross section based on the full data set (∫Ldt=36  ... Full text Cite

Search for supersymmetry using final states with one lepton, jets, and missing transverse momentum with the ATLAS detector in √s=7 TeV pp collisions.

Journal Article Physical review letters · April 2011 This Letter presents the first search for supersymmetry in final states containing one isolated electron or muon, jets, and missing transverse momentum from √s=7  TeV proton-proton collisions at the LHC. The data were recorded by the ATLAS experiment durin ... Full text Cite

Luminosity determination in pp collisions at √s = 7 TeV using the ATLAS detector at the LHC

Journal Article European Physical Journal C · April 1, 2011 Measurements of luminosity obtained using the ATLAS detector during early running of the Large Hadron Collider (LHC) at √s = 7 TeV are presented. The luminosity is independently determined using several detectors and multiple algorithms, each having differ ... Cite

Measurement of the inclusive isolated prompt photon cross section in pp collisions at √s=7TeV with the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 18, 2011 A measurement of the cross section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7TeV is presented. The measurement covers the pseudorapidity ranges |ηγ|<1. 37 and 1.52≤|ηγ|<1.81 in the transverse en ... Full text Cite

Measurement of the centrality dependence of J/Ψ yields and observation of Z production in lead-lead collisions with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 14, 2011 Using the ATLAS detector, a centrality-dependent suppression has been observed in the yield of J/Ψ mesons produced in the collisions of lead ions at the Large Hadron Collider. In a sample of minimum-bias lead-lead collisions at a nucleon-nucleon centre of ... Full text Cite

Search for a heavy gauge boson decaying to a charged lepton and a neutrino in 1 fb-1 of pp collisions at √s = 7 TeV using the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · March 11, 2011 The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons (W'), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a center-of-mass ... Full text Cite

Study of jet shapes in inclusive jet production in pp collisions at √s=7TeV using the ATLAS detector

Journal Article Physical Review D - Particles, Fields, Gravitation and Cosmology · March 8, 2011 Jet shapes have been measured in inclusive jet production in proton-proton collisions at √s=7TeV using 3pb-1 of data recorded by the ATLAS experiment at the LHC. Jets are reconstructed using the anti-kt algorithm with transverse momentum 30GeV Full text Cite

Search for diphoton events with large missing transverse energy in 7 TeV proton-proton collisions with the ATLAS detector.

Journal Article Physical review letters · March 2011 A search for diphoton events with large missing transverse energy is presented. The data were collected with the ATLAS detector in proton-proton collisions at √s=7 TeV at the CERN Large Hadron Collider and correspond to an integrated luminosity of 3.1 pb⁻¹ ... Full text Cite

Search for quark contact interactions in dijet angular distributions in pp collisions at s=7 TeV measured with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 3, 2011 Dijet angular distributions from the first LHC pp collisions at center-of-mass energy s=7 TeV have been measured with the ATLAS detector. The dataset used for this analysis represents an integrated luminosity of 3.1 pb-1. Dijet Χ distributions and centrali ... Full text Cite

Search for neutral MSSM Higgs bosons decaying to τ+τ- pairs in proton-proton collisions at s=7 TeV with the ATLAS detector

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2011 A search for neutral Higgs bosons decaying to pairs of τ leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, recorded in 2010 and corresponding to an integrated lum ... Full text Cite

Measurement of the Υ(1S) production cross-section in pp collisions at s=7 TeV in ATLAS

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2011 A measurement of the cross-section for Υ(1S)→μ+μ- production in proton-proton collisions at centre of mass energy of 7 TeV is presented. The cross-section is measured as a function of the Υ(1S) transverse momentum in two bins of rapidity, |yΥ(1S)|<1.2 and ... Full text Cite

Search for heavy long-lived charged particles with the ATLAS detector in pp collisions at √s=7 TeV

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2011 A search for long-lived charged particles reaching the muon spectrometer is performed using a data sample of 37 pb-1 from pp collisions at √s=7 TeV collected by the ATLAS detector at the LHC in 2010. No excess is observed above the estimated background. St ... Full text Cite

Measurement of the differential cross-sections of inclusive, prompt and non-prompt J/Ψ production in proton-proton collisions at √s=7 TeV

Journal Article Nuclear Physics B · January 1, 2011 The inclusive J/Ψ production cross-section and fraction of J/Ψ mesons produced in B-hadron decays are measured in proton-proton collisions at √s=7 TeV with the ATLAS detector at the LHC, as a function of the transverse momentum and rapidity of the J/Ψ, usi ... Full text Cite

Limits on the production of the standard model Higgs boson in pp collisions at √s=7 TeV with the ATLAS detector

Journal Article European Physical Journal C · January 1, 2011 A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb-1 collected by the ATLAS detector in 2010. Several Higgs boson dec ... Full text Cite

Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s=7 TeV proton-proton collisions

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2011 A search for squarks and gluinos in final states containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded by the ATLAS experiment in √s=7 TeV proton-proton collisions at the Large Hadron Collider. No exces ... Full text Cite

Search for supersymmetry in pp collisions at √s=7 TeV in final states with missing transverse momentum and b-jets

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · January 1, 2011 Results are presented of a search for supersymmetric particles in events with large missing transverse momentum and at least one heavy flavour jet candidate in √s=7 TeV proton-proton collisions. In a data sample corresponding to an integrated luminosity of ... Full text Cite

A search for new physics in dijet mass and angular distributions in ppcollisions at √s=7 TeV measured with the ATLAS detector

Journal Article New Journal of Physics · January 1, 2011 A search for new interactions and resonances produced in LHC proton-proton (pp) collisions at a centre-of-mass energy √s = 7 TeV was performed with the ATLAS detector. Using a dataset with an integrated luminosity of 36 pb -1, dijet mass and angular distri ... Full text Cite

Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC

Journal Article New Journal of Physics · January 1, 2011 Measurements are presented from proton-proton collisions at centre-of-mass energies of s = 0.9, 2.36 and 7 TeV recorded with the ATLAS detector at the LHC. Events were collected using a single-arm minimumbias trigger. The charged-particle multiplicity, its ... Full text Cite

Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using √s = 7 TeV pp collisions with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2011 Results are presented of a search for any particle(s) decaying to six or more jets in association with missing transverse momentum. The search is performed using 1.34fb−1 of √s = 7 TeV proton-proton collisions recorded by the ATLAS detector during 2011. Da ... Full text Cite

Measurement of multi-jet cross sections in proton–proton collisions at a 7 TeV center-of-mass energy

Journal Article European Physical Journal C · January 1, 2011 Inclusive multi-jet production is studied in proton–proton collisions at a center-of-mass energy of 7 TeV, using the ATLAS detector. The data sample corresponds to an integrated luminosity of 2.4 pb-1. Results on multi-jet cross sections are presented and ... Full text Cite

Search for diphoton events with large missing transverse energy with 36 pb-1 of 7 TeV proton-proton collision data with the ATLAS detector

Journal Article European Physical Journal C · January 1, 2011 Making use of 36 pb-1 of proton-proton collision data at √s = 7 TeV, the ATLAS Collaboration has performed a search for diphoton events with large missing transverse energy. Observing no excess of events above the Standard Model prediction, a 95% Confidenc ... Full text Cite

Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector

Journal Article European Physical Journal C · January 1, 2011 Jet cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. The measurement uses an integrated luminosity of 17 nb−1 recorded at the Large Hadron Collider. The anti-kt a ... Full text Cite

Measurement of the top quark-pair production cross section with ATLAS in pp collisions at √s = 7 TeV

Journal Article European Physical Journal C · January 1, 2011 A measurement of the production cross-section for top quark pairs (tt̅) in pp collisions at √s =7 TeVis presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in two different topologies: single lepton (elect ... Full text Cite

Studies of the performance of the ATLAS detector using cosmic-ray muons

Journal Article European Physical Journal C · January 1, 2011 Muons from cosmic-ray interactions in the atmosphere provide a high-statistics source of particles that can be used to study the performance and calibration of the ATLAS detector. Cosmic-ray muons can penetrate to the cavern and deposit energy in all detec ... Full text Cite

Measurements of underlying-event properties using neutral and charged particles in pp collisions at √s = 900 GeV and √s = 7 TeV with the ATLAS detector at the LHC

Journal Article European Physical Journal C · January 1, 2011 We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were selected using a minimum-bias tri ... Full text Cite

Measurement of Wγ and Zγ production in proton-proton collisions at √s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2011 We present studies of W and Z bosons with associated high energy photons produced in pp collisions at √s = 7TeV. The analysis uses 35 pb γ + X) event candidates are selected. The kinematic distributions of the leptons and photons and the production cross s ... Full text Cite

Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7TeV using the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2011 A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction of dijet events that survive the jet ... Full text Cite

Performance of the ATLAS detector using first collision data

Journal Article Journal of High Energy Physics · December 14, 2010 More than half a million minimum-bias events of LHC collision data were collected by the ATLAS experiment in December 2009 at centre-of-mass energies of 0.9 TeV and 2.36 TeV. This paper reports on studies of the initial performance of the ATLAS detector fr ... Full text Cite

Observation of a centrality-dependent dijet asymmetry in lead-lead collisions at sqrt[S(NN)] =2.76 TeV with the ATLAS detector at the LHC.

Journal Article Physical review letters · December 2010 By using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected w ... Full text Cite

The ATLAS Inner Detector commissioning and calibration

Journal Article European Physical Journal C · December 1, 2010 The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took part in data-taking with single LHC beams and ... Full text Cite

Readiness of the ATLAS liquid argon calorimeter for LHC collisions

Journal Article European Physical Journal C · December 1, 2010 The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparat ... Full text Cite

Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons

Journal Article European Physical Journal C · December 1, 2010 The ionization signals in the liquid argon of the ATLAS electromagnetic calorimeter are studied in detail using cosmic muons. In particular, the drift time of the ionization electrons is measured and used to assess the intrinsic uniformity of the calorimet ... Full text Cite

Commissioning of the ATLAS Muon Spectrometer with cosmic rays

Journal Article European Physical Journal C · December 1, 2010 The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performance of the trigger and tracking chambers, their ... Full text Cite

Readiness of the ATLAS Tile Calorimeter for LHC collisions

Journal Article European Physical Journal C · December 1, 2010 The Tile hadronic calorimeter of the ATLAS detector has undergone extensive testing in the experimental hall since its installation in late 2005. The readout, control and calibration systems have been fully operational since 2007 and the detector has succe ... Full text Cite

Search for new particles in two-jet final states in 7 TeV proton-proton collisions with the ATLAS detector at the LHC.

Journal Article Physical review letters · October 2010 A search for new heavy particles manifested as resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the LHC and correspond to an integrated luminosity of 315  nb⁻¹ collected by the ATLAS detector. No ... Full text Cite

Charged-particle multiplicities in pp interactions at √ s = 900 GeV measured with the ATLAS detector at the LHC

Journal Article Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics · April 26, 2010 The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. The charged-particle ... Full text Cite

The ATLAS Simulation Infrastructure

Journal Article European Physical Journal C · January 1, 2010 The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for large-scale production of events on the LHC Computing Grid. This simulation requires many components, from the generators that simulate particle collisions, thr ... Full text Cite

Measurement of the W → ℓν and Z/γ* → ℓℓ production cross sections in proton-proton collisions at √ s = 7 TeV with the ATLAS detector

Journal Article Journal of High Energy Physics · January 1, 2010 First measurements of the W → ℓν and Z/γ * → ℓℓ (ℓ = e, μ) production cross sections in proton-proton collisions at √ s = 7TeV are presented using data recorded by the ATLAS experiment at the LHC. The results are based on 2250 W → ℓν and 179 Z/γ* → ℓℓ cand ... Full text Cite

The ATLAS Collaboration

Journal Article Nuclear Physics A · November 1, 2009 Full text Cite

{Measurement of the cross section for ${W}$-boson production in association with jets in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV}

Journal Article Phys. Rev. · 2008 We present a measurement of the cross section for W-boson production in association with jets in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV. The analysis uses a data sample corresponding to an integrated luminosity of 320 pb-1 collected with the CDF II d ... Link to item Cite

The ATLAS Experiment at the CERN Large Hadron Collider

Journal Article JINST 3S08003 · 2008 Cite