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Article: 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

TitleSearch for supersymmetry in events with four or more charged leptons in 139 fb−1 of √s = 13 TeV pp collisions with the ATLAS detector
Authors
KeywordsHadron-Hadron scattering (experiments)
Supersymmetry
Beyond Standard Model
Issue Date2021
PublisherSpringer Verlag: SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130
Citation
Journal of High Energy Physics, 2021, v. 2021 n. 7, p. article no. 167 How to Cite?
AbstractA 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 and recorded by the ATLAS detector. Four-lepton signal regions with up to two hadronically decaying τ-leptons are designed to target several supersymmetric models, while a general five-lepton signal region targets any new physics phenomena leading to a final state with five charged leptons. Data yields are consistent with Standard Model expectations and results are used to set upper limits on contributions from processes beyond the Standard Model. Exclusion limits are set at the 95% confidence level in simplified models of general gauge-mediated supersymmetry, excluding higgsino masses up to 540 GeV. In R-parity-violating simplified models with decays of the lightest supersymmetric particle to charged leptons, lower limits of 1.6 TeV, 1.2 TeV, and 2.5 TeV are placed on wino, slepton and gluino masses, respectively.
Persistent Identifierhttp://hdl.handle.net/10722/301956
ISSN
2020 Impact Factor: 5.81
2020 SCImago Journal Rankings: 0.998

 

DC FieldValueLanguage
dc.contributor.authorLo, CY-
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorPENG, C-
dc.contributor.authorTAM, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorThe ATLAS collaboration-
dc.date.accessioned2021-08-21T03:29:27Z-
dc.date.available2021-08-21T03:29:27Z-
dc.date.issued2021-
dc.identifier.citationJournal of High Energy Physics, 2021, v. 2021 n. 7, p. article no. 167-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://hdl.handle.net/10722/301956-
dc.description.abstractA 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 and recorded by the ATLAS detector. Four-lepton signal regions with up to two hadronically decaying τ-leptons are designed to target several supersymmetric models, while a general five-lepton signal region targets any new physics phenomena leading to a final state with five charged leptons. Data yields are consistent with Standard Model expectations and results are used to set upper limits on contributions from processes beyond the Standard Model. Exclusion limits are set at the 95% confidence level in simplified models of general gauge-mediated supersymmetry, excluding higgsino masses up to 540 GeV. In R-parity-violating simplified models with decays of the lightest supersymmetric particle to charged leptons, lower limits of 1.6 TeV, 1.2 TeV, and 2.5 TeV are placed on wino, slepton and gluino masses, respectively.-
dc.languageeng-
dc.publisherSpringer Verlag: SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130-
dc.relation.ispartofJournal of High Energy Physics-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectHadron-Hadron scattering (experiments)-
dc.subjectSupersymmetry-
dc.subjectBeyond Standard Model-
dc.titleSearch for supersymmetry in events with four or more charged leptons in 139 fb−1 of √s = 13 TeV pp collisions with the ATLAS detector-
dc.typeArticle-
dc.identifier.emailLo, CY: samuel3@hku.hk-
dc.identifier.emailParedes Hernandez, D: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1007/JHEP07(2021)167-
dc.identifier.scopuseid_2-s2.0-85112016023-
dc.identifier.hkuros324210-
dc.identifier.volume2021-
dc.identifier.issue7-
dc.identifier.spagearticle no. 167-
dc.identifier.epagearticle no. 167-
dc.publisher.placeGermany-

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