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
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, Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; Abouzeid, OS; Abramowicz, H; Abreu, H; Abreu, R; Abulaiti, Y; Acharya, BS ...
Published in: 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 point into two leptons or into five or more charged particles. This analysis uses a data sample of proton-proton collisions at s=8 TeV corresponding to an integrated luminosity of 20.3 fb-1 collected in 2012 by the ATLAS detector operating at the Large Hadron Collider. No events are observed in any of the signal regions, and limits are set on model parameters within supersymmetric scenarios involving R-parity violation, split supersymmetry, and gauge mediation. In some of the search channels, the trigger and search strategy are based only on the decay products of individual long-lived particles, irrespective of the rest of the event. In these cases, the provided limits can easily be reinterpreted in different scenarios.
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Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
October 13, 2015
Volume
92
Issue
7
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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ICMJE
MLA
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Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., … Artamonov, A. (2015). 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. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92(7). https://doi.org/10.1103/PhysRevD.92.072004
Aad, G., B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, O. S. Abouzeid, et al. “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.” Physical Review D - Particles, Fields, Gravitation and Cosmology 92, no. 7 (October 13, 2015). https://doi.org/10.1103/PhysRevD.92.072004.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, et al. 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. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 Oct 13;92(7).
Aad, G., et al. “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.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 92, no. 7, Oct. 2015. Scopus, doi:10.1103/PhysRevD.92.072004.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, Abouzeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Affolder AA, Agatonovic-Jovin T, Aguilar-Saavedra JA, Ahlen SP, Ahmadov F, Aielli G, Akerstedt H, Åkesson TPA, Akimoto G, Akimov AV, Alberghi GL, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Alkire SP, Allbrooke BMM, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, Álvarez Piqueras D, Alviggi MG, Amadio BT, Amako K, Amaral Coutinho Y, Amelung C, Amidei D, Amor Dos Santos SP, Amorim A, Amoroso S, Amram N, Amundsen G, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anders JK, Anderson KJ, Andreazza A, Andrei V, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, Arabidze G, Arai Y, Araque JP, Arce ATH, Arduh FA, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O, Arnal V, Arnold H, Arratia M, Arslan O, Artamonov A. 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. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 Oct 13;92(7).
Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
October 13, 2015
Volume
92
Issue
7
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