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dc.contributor.authorCMS Collaborationen_US
dc.contributor.authorSirunyan, A. M.en_US
dc.contributor.authorCHAUHAN, S.en_US
dc.contributor.authorDUBE, SOURABHen_US
dc.contributor.authorHEGDE, V.en_US
dc.contributor.authorKAPOOR, A.en_US
dc.contributor.authorKOTHEKAR, K.en_US
dc.contributor.authorPANDEY, S.en_US
dc.contributor.authorRANE, A.en_US
dc.contributor.authorSHARMA, SEEMA et al.en_US
dc.date.accessioned2019-07-01T05:40:41Z
dc.date.available2019-07-01T05:40:41Z
dc.date.issued2017-12en_US
dc.identifier.citationPhysical Review Letters, 119(22),221802 .en_US
dc.identifier.issn0031-9007en_US
dc.identifier.issn0031-9007en_US
dc.identifier.urihttp://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/3452-
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.119.221802en_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 √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.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.subjectType-III Seesawen_US
dc.subjectMultilepton Final Statesen_US
dc.subjectResearch Areasen_US
dc.subjectExtensions of fermionen_US
dc.subjectsectorParticle productionen_US
dc.subjectPhysical Systemsen_US
dc.subjectNeutrinosen_US
dc.subjectTechniquesen_US
dc.subjectHadronen_US
dc.subject2017en_US
dc.titleSearch for Evidence of the Type-III Seesaw Mechanism in Multilepton Final States in Proton-Proton Collisions at √s=13  TeVen_US
dc.typeArticleen_US
dc.contributor.departmentDept. of Physicsen_US
dc.identifier.sourcetitlePhysical Review Lettersen_US
dc.publication.originofpublisherForeignen_US
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