Search for new physics in same-sign dilepton events in proton-proton collisions at √s = 13 TeV
Abstract
A search for new physics is performed using events with two isolated same-sign leptons, two or more jets, and missing transverse momentum. The results are based on a sample of proton-proton collisions at a center-of-mass energy of 13 TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 inverse femtobarns. Multiple search regions are defined by classifying events in terms of missing transverse momentum, the scalar sum of jet transverse momenta, the transverse mass associated with a W boson candidate, the number of jets, the number of b quark jets, and the transverse momenta of the leptons in the event. The analysis is sensitive to a wide variety of possible signals beyond the standard model. No excess above the standard model background expectation is observed. Constraints are set on various supersymmetric models, with gluinos and bottom squarks excluded for masses up to 1300 and 680 GeV, respectively, at the 95% confidence level. Upper limits on the cross sections for the production of two top quark-antiquark pairs (119 fb) and two same-sign top quarks (1.7 pb) are also obtained. Selection efficiencies and model independent limits are provided to allow further interpretations of the results.
- Authors:
-
- Yerevan Physics Inst. (YerPhI), Yerevan (Armenia). et al.
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Rice Univ., Houston, TX (United States); Univ. of California, Santa Barbara, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- CMS Collaboration
- OSTI Identifier:
- 1287384
- Alternate Identifier(s):
- OSTI ID: 1411641; OSTI ID: 1595966
- Report Number(s):
- FERMILAB-PUB-16-198-CMS; CMS-SUS-15-008; CERN-EP-2016-119; arXiv:1605.03171
Journal ID: ISSN 1434-6044; 1456935
- Grant/Contract Number:
- AC02-07CH11359; SC0010103; SC0011702
- Resource Type:
- Accepted Manuscript
- Journal Name:
- European Physical Journal. C, Particles and Fields
- Additional Journal Information:
- Journal Volume: 76; Journal Issue: 8; Journal ID: ISSN 1434-6044
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Khachatryan, Vardan. Search for new physics in same-sign dilepton events in proton-proton collisions at √s = 13 TeV. United States: N. p., 2016.
Web. doi:10.1140/epjc/s10052-016-4261-z.
Khachatryan, Vardan. Search for new physics in same-sign dilepton events in proton-proton collisions at √s = 13 TeV. United States. https://doi.org/10.1140/epjc/s10052-016-4261-z
Khachatryan, Vardan. Fri .
"Search for new physics in same-sign dilepton events in proton-proton collisions at √s = 13 TeV". United States. https://doi.org/10.1140/epjc/s10052-016-4261-z. https://www.osti.gov/servlets/purl/1287384.
@article{osti_1287384,
title = {Search for new physics in same-sign dilepton events in proton-proton collisions at √s = 13 TeV},
author = {Khachatryan, Vardan},
abstractNote = {A search for new physics is performed using events with two isolated same-sign leptons, two or more jets, and missing transverse momentum. The results are based on a sample of proton-proton collisions at a center-of-mass energy of 13 TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 inverse femtobarns. Multiple search regions are defined by classifying events in terms of missing transverse momentum, the scalar sum of jet transverse momenta, the transverse mass associated with a W boson candidate, the number of jets, the number of b quark jets, and the transverse momenta of the leptons in the event. The analysis is sensitive to a wide variety of possible signals beyond the standard model. No excess above the standard model background expectation is observed. Constraints are set on various supersymmetric models, with gluinos and bottom squarks excluded for masses up to 1300 and 680 GeV, respectively, at the 95% confidence level. Upper limits on the cross sections for the production of two top quark-antiquark pairs (119 fb) and two same-sign top quarks (1.7 pb) are also obtained. Selection efficiencies and model independent limits are provided to allow further interpretations of the results.},
doi = {10.1140/epjc/s10052-016-4261-z},
journal = {European Physical Journal. C, Particles and Fields},
number = 8,
volume = 76,
place = {United States},
year = {Fri Aug 05 00:00:00 EDT 2016},
month = {Fri Aug 05 00:00:00 EDT 2016}
}
Web of Science
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