Search for new physics in same-sign dilepton events in proton-proton collisions at root s=13 TeV

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dc.WoS.categoriesPhysics, Particles & Fieldsen_US
dc.authorid0000-0002-9007-8260en_US
dc.contributor.authorYetkin, Elif Aslı
dc.date.accessioned2020-11-12T09:00:31Z
dc.date.available2020-11-12T09:00:31Z
dc.date.issued2016-08-05
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractA 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 recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 . 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 boson candidate, the number of jets, the number of 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, respectively, at the 95 % confidence level. Upper limits on the cross sections for the production of two top quark-antiquark pairs (119) and two same-sign top quarks (1.7) are also obtained. Selection efficiencies and model independent limits are provided to allow further interpretations of the results.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1140/epjc/s10052-016-4261-zen_US
dc.identifier.issn1434-6052
dc.identifier.issn1434-6044
dc.identifier.pmid28303081en_US
dc.identifier.urihttps://hdl.handle.net/11411/2612
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-016-4261-z
dc.identifier.wosWOS:000381184000001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.issue8en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.publisherSpringeren_US
dc.relation.ispartofEuropean Physical Journal Cen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGLUINO PRODUCTIONen_US
dc.subjectSQUARKen_US
dc.subjectMODELen_US
dc.subjectSUPERSYMMETRYen_US
dc.subjectEXTENSIONen_US
dc.subjectINVARIANTen_US
dc.subjectSIGNATUREen_US
dc.titleSearch for new physics in same-sign dilepton events in proton-proton collisions at root s=13 TeVen_US
dc.typeArticleen_US
dc.volume76en_US

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