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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorAsilar, E.
dc.contributor.authorBergauer, T.
dc.contributor.authorÖzdemir, Kadri
dc.contributor.authorCMS Collaboration
dc.date.accessioned2021-06-05T19:59:59Z
dc.date.available2021-06-05T19:59:59Z
dc.date.issued2017
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.119.221802
dc.identifier.urihttps://hdl.handle.net/20.500.12960/803
dc.descriptionPubMed: 29286783en_US
dc.descriptionWOS:000416852200004en_US
dc.description.abstractA search for a signal consistent with the type-III seesaw mechanism in events with three or more electrons or muons is presented. The data sample consists of proton-proton collisions at root s = 13 TeV collected by the CMS experiment at the LHC in 2016 and corresponds to an integrated luminosity of 35.9 fb(-1). Selection criteria based on the number of leptons and the invariant mass of oppositely charged lepton pairs are used to distinguish the signal from the standard model background. The observations are consistent with the expectations from standard model processes. The results are used to place limits on the production of heavy fermions of the type-III seesaw model as a function of the branching ratio to each lepton flavor. In the scenario of equal branching fractions to each lepton flavor, heavy fermions with masses below 840 GeV are excluded. This is the most sensitive probe to date of the type-III seesaw mechanism.en_US
dc.language.isoengen_US
dc.publisherAmer Physical Socen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectFiziken_US
dc.subjectPhysicsen_US
dc.titleSearch for Evidence of the Type-III Seesaw Mechanism in Multilepton Final States in Proton-Proton Collisions at root s=13 TeVen_US
dc.typearticleen_US
dc.authorid0000-0002-0103-1488
dc.departmentMühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.contributor.institutionauthorÖzdemir, Kadri
dc.identifier.doi10.1103/PhysRevLett.119.221802
dc.identifier.volume119en_US
dc.identifier.issue22en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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