Search for top quark partners with charge 5/3 in the same-sign dilepton and single-lepton final states in proton-proton collisions at √s=13 TeV

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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.authorBrandstetter, J.
dc.date.accessioned2025-03-23T19:16:32Z
dc.date.available2025-03-23T19:16:32Z
dc.date.issued2019
dc.departmentSinop Üniversitesi
dc.description.abstractA search for the pair production of heavy fermionic partners of the top quark with charge 5/3 (X 5/3 ) is performed in proton-proton collisions at a center-of-mass energy of 13 TeV with the CMS detector at the CERN LHC. The data sample analyzed corresponds to an integrated luminosity of 35.9 fb −1 . The X 5/3 quark is assumed always to decay into a top quark and a W boson. Both the right-handed and left-handed X 5/3couplings to the W boson are considered. Final states with either a pair of same-sign leptons or a single lepton are studied. No significant excess of events is observed above the expected standard model background. Lower limits at 95% confidence level on the X 5/3 quark mass are set at 1.33 and 1.30 TeV respectively for the case of right-handed and left-handed couplings to W bosons in a combination of the same-sign dilepton and single-lepton final states.[Figure not available: see fulltext.]
dc.description.sponsorshipCOL-CIENCIAS
dc.description.sponsorshipCPAN
dc.description.sponsorshipERC IUT
dc.description.sponsorshipEU-ESF
dc.description.sponsorshipExcellence of Science, (30820817)
dc.description.sponsorshipFRIA-Belgium
dc.identifier.doi10.1007/JHEP03(2019)082
dc.identifier.issn1126-6708
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85063267754
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1007/JHEP03(2019)082
dc.identifier.urihttps://hdl.handle.net/11486/4113
dc.identifier.volume2019
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Verlag
dc.relation.ispartofJournal of High Energy Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20250323
dc.subjectBeyond Standard Model
dc.subjectHadron-Hadron scattering (experiments)
dc.subjectTop physics
dc.titleSearch for top quark partners with charge 5/3 in the same-sign dilepton and single-lepton final states in proton-proton collisions at √s=13 TeV
dc.typeArticle

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