Probing the flavour structure of dimension-6 EFT operators in multilepton final states in proton-proton collisions at s=13 TeV

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dc.contributor.authorHayrapetyan, A.
dc.contributor.authorMakarenko, V.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAndrejkovic, J.W.
dc.contributor.authorBenato, L.
dc.contributor.authorBergauer, T.
dc.date.accessioned2026-04-25T14:13:19Z
dc.date.available2026-04-25T14:13:19Z
dc.date.issued2026
dc.departmentSinop Üniversitesi
dc.description.abstractAn analysis of the flavour structure of dimension-6 effective field theory (EFT) operators in multilepton final states is presented, focusing on the interactions of quarks with Z bosons. For the first time, the flavour structure of these operators is disentangled by simultaneously probing the interactions with different quark generations. The analysis targets the associated production of a top quark pair and a Z boson, as well as diboson processes in final states with at least three leptons, which can be electrons or muons. The data were recorded by the CMS experiment in the years 2016–2018 in proton-proton collisions at a centre-of-mass energy of 13 TeV and correspond to an integrated luminosity of 138 fb−1. Consistency with the standard model of particle physics is observed and limits are set on the selected Wilson coefficients, split into couplings to light- and heavy-quark generations. © The Author(s) 2026.
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dc.identifier.doi10.1007/JHEP03(2026)140
dc.identifier.issn1029-8479
dc.identifier.issue3
dc.identifier.scopus2-s2.0-105035289959
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1007/JHEP03(2026)140
dc.identifier.urihttps://hdl.handle.net/11486/8000
dc.identifier.volume2026
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
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_20260420
dc.subjectFlavour Physics
dc.subjectHadron-Hadron Scattering
dc.subjectTop Physics
dc.titleProbing the flavour structure of dimension-6 EFT operators in multilepton final states in proton-proton collisions at s=13 TeV
dc.typeArticle

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