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Search for Flavor-Changing Neutral Current Interactions of the Top Quark and Higgs Boson in Final States with Two Photons in Proton-Proton Collisions at s =13 TeV

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dc.contributor.authorOskin, A.
dc.contributor.authorParygin, P.
dc.contributor.authorMatveev, V.
dc.contributor.authorBychkova, O.
dc.contributor.authorChistov, R.
dc.contributor.authorDanilov, M.
dc.contributor.authorPolikarpov, S.
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.contributor.authorЧистов, Руслан Николаевич
dc.contributor.authorДанилов, Михаил Владимирович
dc.contributor.authorПоликарпов, Сергей Михайлович
dc.date.accessioned2024-12-25T07:23:37Z
dc.date.available2024-12-25T07:23:37Z
dc.date.issued2022
dc.description.abstractProton-proton interactions resulting in final states with two photons are studied in a search for the signature of flavor-changing neutral current interactions of top quarks (t) and Higgs bosons (H). The analysis is based on data collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 137 fb-1. No significant excess above the background prediction is observed. Upper limits on the branching fractions (B) of the top quark decaying to a Higgs boson and an up (u) or charm (c) quark are derived through a binned fit to the diphoton invariant mass spectrum. The observed (expected) 95% confidence level upper limits are found to be 0.019% (0.031%) for B(t→Hu) and 0.073% (0.051%) for B(t→Hc). These are the strictest upper limits yet determined. © 2022 CERN.
dc.identifier.citationSearch for Flavor-Changing Neutral Current Interactions of the Top Quark and Higgs Boson in Final States with Two Photons in Proton-Proton Collisions at s =13 TeV / Tumasyan, A. [et al.] // Physical Review Letters. - 2022. - 129. - № 3. - 10.1103/PhysRevLett.129.032001
dc.identifier.doi10.1103/PhysRevLett.129.032001
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevLett.129.032001
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85135214262&origin=resultslist
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/27304
dc.relation.ispartofPhysical Review Letters
dc.titleSearch for Flavor-Changing Neutral Current Interactions of the Top Quark and Higgs Boson in Final States with Two Photons in Proton-Proton Collisions at s =13 TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume129
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