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Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdelalim, AA; Abdesselam, A; Abdinov, O; Abi, B; Abolins, M; Abramowicz, H; Abreu, H; Acerbi, E; Acharya, BS ...
Published in: 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 muons or electrons and at least two jets, and in events with one muon or electron, missing transverse momentum and at least two jets. After event selection, the observed yields are consistent with the predicted backgrounds. Leptoquark production is excluded at the 95 CL for masses MLQ<376 (319) GeV and MLQ<422 (362) GeV for first and second generation scalar leptoquarks, respectively, when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5). © 2011 American Physical Society.

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Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

EISSN

1550-2368

ISSN

1550-7998

Publication Date

June 15, 2011

Volume

83

Issue

11

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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MLA
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Aad, G., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., Abdinov, O., … Ask, S. (2011). Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC. Physical Review D - Particles, Fields, Gravitation and Cosmology, 83(11). https://doi.org/10.1103/PhysRevD.83.112006
Aad, G., B. Abbott, J. Abdallah, A. A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, et al. “Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC.” Physical Review D - Particles, Fields, Gravitation and Cosmology 83, no. 11 (June 15, 2011). https://doi.org/10.1103/PhysRevD.83.112006.
Aad G, Abbott B, Abdallah J, Abdelalim AA, Abdesselam A, Abdinov O, et al. Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2011 Jun 15;83(11).
Aad, G., et al. “Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 83, no. 11, June 2011. Scopus, doi:10.1103/PhysRevD.83.112006.
Aad G, Abbott B, Abdallah J, Abdelalim AA, Abdesselam A, Abdinov O, Abi B, Abolins M, Abramowicz H, Abreu H, Acerbi E, Acharya BS, Adams DL, Addy TN, Adelman J, Aderholz M, Adomeit S, Adragna P, Adye T, Aefsky S, Aguilar-Saavedra JA, Aharrouche M, Ahlen SP, Ahles F, Ahmad A, Ahsan M, Aielli G, Akdogan T, Ákesson TPA, Akimoto G, Akimov AV, Akiyama A, Alam MS, Alam MA, Albrand S, Aleksa M, Aleksandrov IN, Alessandria F, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Aliev M, Alimonti G, Alison J, Aliyev M, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alon R, Alonso A, Alviggi MG, Amako K, Amaral P, Amelung C, Ammosov VV, Amorim A, Amorós G, Amram N, Anastopoulos C, Andeen T, Anders CF, Anderson KJ, Andreazza A, Andrei V, Andrieux ML, Anduaga XS, Angerami A, Anghinolfi F, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonelli S, Antonov A, Antos J, Anulli F, Aoun S, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Arce ATH, Archambault JP, Arfaoui S, Arguin JF, Arik E, Arik M, Armbruster AJ, Arnaez O, Arnault C, Artamonov A, Artoni G, Arutinov D, Asai S, Asfandiyarov R, Ask S. Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7TeV using the ATLAS detector at the LHC. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2011 Jun 15;83(11).

Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

EISSN

1550-2368

ISSN

1550-7998

Publication Date

June 15, 2011

Volume

83

Issue

11

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences