Search for Supersymmetry in Events with Four or More Leptons in √s̅ = 8 TeV pp Collisions with the ATLAS Detector

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dc.contributor.ORCID0000-0003-0867-2189 (Lou, X)
dc.contributor.VIAF250674117 (Izen, JM)en_US
dc.contributor.VIAF250674117 (Izen, JM)
dc.contributor.authorAad, G.en_US
dc.contributor.authorAbbott, B.en_US
dc.contributor.authorAbdallah, J.en_US
dc.contributor.authorAbdel Khalek, S.en_US
dc.contributor.authorAbdinov, O.en_US
dc.contributor.authorAben, R.en_US
dc.contributor.authorAbi, B.en_US
dc.contributor.authorIzen, Joseph M.en_US
dc.contributor.authorLeyton, Michaelen_US
dc.contributor.authorLou, Xinchouen_US
dc.contributor.authorNamasivayam, Harisankaren_US
dc.contributor.authorReeves, Kendallen_US
dc.contributor.authorATLAS Collaborationen_US
dc.contributor.utdAuthorIzen, Joseph M.en_US
dc.contributor.utdAuthorLeyton, Michaelen_US
dc.contributor.utdAuthorNamasivayam, Harisankaren_US
dc.contributor.utdAuthorReeves, Kendallen_US
dc.contributor.utdAuthorLou, Xinchouen_US
dc.date.accessioned2015-03-25T19:03:34Z
dc.date.available2015-03-25T19:03:34Z
dc.date.created2014-09-04en_US
dc.date.issued2014-09-04en_US
dc.description.abstractResults 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 √s = 8 TeV and recorded by the ATLAS detector. Signal regions are designed to target supersymmetric scenarios that can be either enriched in or depleted of events involving the production of a Z boson. No significant deviations are observed in data from standard model predictions and results are used to set upper limits on the event yields from processes beyond the standard model. Exclusion limits at the 95% confidence level on the masses of relevant supersymmetric particles are obtained. In R-parity-violating simplified models with decays of the lightest supersymmetric particle to electrons and muons, limits of 1350 and 750 GeV are placed on gluino and chargino masses, respectively. In R-parity-conserving simplified models with heavy neutralinos decaying to a massless lightest supersymmetric particle, heavy neutralino masses up to 620 GeV are excluded. Limits are also placed on other supersymmetric scenarios.en_US
dc.identifier.bibliographicCitationAad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, et al. 2014. "Search for supersymmetry in events with four or more leptons in √s̅ = 8 TeV pp collisions with the ATLAS detector." Physical Review D - Particles, Fields, Gravitation and Cosmology 90(5): doi:10.1103/PhysRevD.90.052001.en_US
dc.identifier.issn1550-7998en_US
dc.identifier.issue5en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/4374
dc.identifier.volume90en_US
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevD.90.052001
dc.rightsCC BY 3.0 (Attribution)en_US
dc.rights©2014 CERN, for the ATLAS Collaborationen_US
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en_US
dc.sourcePhysical Review D - Particles, Fields, Gravitation and Cosmology
dc.subjectSupersymmetryen_US
dc.subjectLeptons (Nuclear physics)en_US
dc.subjectProton-proton interactionsen_US
dc.subjectSignal modelsen_US
dc.titleSearch for Supersymmetry in Events with Four or More Leptons in √s̅ = 8 TeV pp Collisions with the ATLAS Detectoren_US
dc.typeTexten_US
dc.type.genreArticleen_US

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Izen, Joseph M.
Lou, Xinchou
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