Search for Type-III Seesaw Heavy Leptons in pp Collisions at √s̅ = 8 TeV with the ATLAS Detector

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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.authorAbdinov, O.en_US
dc.contributor.authorAben, R.en_US
dc.contributor.authorAbolins, M.en_US
dc.contributor.authorAbouZeid, O. S.en_US
dc.contributor.authorIzen, Joseph M.en_US
dc.contributor.authorLeyton, Michaelen_US
dc.contributor.authorMeirose, Bernharden_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.utdAuthorMeirose, Bernharden_US
dc.contributor.utdAuthorNamasivayam, Harisankaren_US
dc.contributor.utdAuthorReeves, Kendallen_US
dc.date.accessioned2016-12-16T22:52:20Z
dc.date.available2016-12-16T22:52:20Z
dc.date.created2015-08-01en_US
dc.date.issued2015-08-01en_US
dc.description.abstractA search for the pair production of heavy leptons (N⁰,L^±) predicted by the type-III seesaw theory formulated to explain the origin of small neutrino masses is presented. The decay channels N⁰→W^±l^∓ (ℓ=e,μ,τ) and L^±→W^±ν {(ν=νe,νμ,ντ)} are considered. The analysis is performed using the final state that contains two leptons (electrons or muons), two jets from a hadronically decaying W boson and large missing transverse momentum. The data used in the measurement correspond to an integrated luminosity of 20.3 fb⁻¹ of pp collisions at √s = 8  TeV collected by the ATLAS detector at the LHC. No evidence of heavy lepton pair production is observed. Heavy leptons with masses below 325–540 GeV are excluded at the 95% confidence level, depending on the theoretical scenario considered.en_US
dc.identifier.bibliographicCitationAad, G., B. Abbott, J. Abdallah, O. Abdinov, et al. 2015. "Search for type-III seesaw heavy leptons in pp collisions at root s=8 TeV with the ATLAS detector." Physical Review D 92(3), doi: 10.1103/PhysRevD.92.032001en_US
dc.identifier.issn1550-7998en_US
dc.identifier.issue3en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/5168
dc.identifier.volume92en_US
dc.language.isoenen_US
dc.publisherAmer Physical Socen_US
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevD.92.032001
dc.rightsCC BY 3.0 (Attribution)en_US
dc.rights©2015 CERN, for the ATLAS Collaborationen_US
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en_US
dc.sourcePhysical Review D
dc.subjectNeutrinosen_US
dc.subjectHeavy leptons (Nuclear physics)en_US
dc.subjectTransverse momentumen_US
dc.subjectJets (Nuclear physics)en_US
dc.subjectCausality (Physics)en_US
dc.subjectProton-proton interactionsen_US
dc.subjectElectronsen_US
dc.subjectMuonsen_US
dc.subjectBosonsen_US
dc.titleSearch for Type-III Seesaw Heavy Leptons in pp Collisions at √s̅ = 8 TeV with the ATLAS Detectoren_US
dc.type.genreArticleen_US

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Izen, Joseph M.