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Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets in proton-proton collisions at s=13 TeV

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216Institutions déclarées
46Pays d’affiliation déclarés

Résumé fourni par la source

A search for the production of a top quark in association with a photon and additional jets via flavor changing neutral current interactions is presented. The analysis uses proton-proton collision data recorded by the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1 . The search is performed by looking for processes where a single top quark is produced in association with a photon, or a pair of top quarks where one of the top quarks decays into a photon and an up or charm quark. Events with an electron or a muon, a photon, one or more jets, and missing transverse momentum are selected. Multivariate analysis techniques are used to discriminate signal and standard model background processes. No significant deviation is observed over the predicted background. Observed (expected) upper limits are set on the branching fractions of top quark decays: B(t→uγ)<0.95×10−5 ( 1.20×10−5 ) and B(t→cγ)<1.51×10−5 ( 1.54×10−5 ) at 95% confidence level, assuming a single nonzero coupling at a time. The obtained limit for B(t→uγ) is similar to the current best limit, while the limit for B(t→cγ) is significantly tighter than previous results. © 2024 CERN, for the CMS Collaboration 2024 CERN

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Date Crossref
05/04/2024
Éditeur
American Physical Society (APS)
Type
journal-article

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Alikhanyan National LaboratoryCenter for Migration Studies of New YorkInstitute of High Energy PhysicsIndian Institute of Technology MadrasUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesKorea UniversityGhent University HospitalUCLouvainTata Institute of Fundamental ResearchCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalUniversidade Federal do ABCBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"University of TarapacáBeihang UniversityTsinghua UniversityInstitute of High Energy PhysicsCalifornia Institute of TechnologyUniversity of FloridaMassachusetts Institute of TechnologyPeking UniversitySun Yat-sen UniversityUniversity of Science and Technology of ChinaFudan UniversityInstitute of Modern PhysicsRice UniversityZhejiang UniversityUniversidad de Los AndesUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityNational Polytechnic SchoolUniversidad San Francisco de QuitoAcademy of Scientific Research and TechnologyFayoum UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCentre National de la Recherche ScientifiqueÉcole PolytechniqueIbero American UniversityInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonSeoul National UniversityGeorgian Technical UniversityRWTH Aachen UniversityPurdue University West LafayetteDeutsches Elektronen-Synchrotron DESYEuropean Organization for Nuclear ResearchNorthwestern UniversitySaha Institute of Nuclear PhysicsUniversity of KansasKyungpook National UniversityUniversität HamburgKarlsruhe Institute of TechnologyNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensNational Technical University of AthensUniversity of IoanninaHUN-REN Wigner Research Centre for PhysicsEötvös Loránd UniversityUniversity of DebrecenHUN-REN Institute for Nuclear ResearchKároly Róbert University CollegePanjab UniversityUniversity of DelhiUniversity of Wisconsin–MadisonNational Institute of Science Education and ResearchHomi Bhabha National InstituteUniversity of Notre DameIndian Institute of Science Education and Research PuneIsfahan University of TechnologyInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIUniversity of BasilicataIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PisaUniversity of PisaScuola Normale SuperioreUniversity of SienaIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKansas State UniversityHanyang UniversityUniversity of California, Santa BarbaraSungkyunkwan UniversityTexas Tech UniversitySejong UniversityGangneung–Wonju National UniversityChonnam National UniversityTexas A&M UniversityUniversity of Illinois ChicagoKyung Hee UniversityUniversity of SeoulFlorida State UniversityYonsei UniversityAmerican University of the Middle EastRiga Technical UniversityUniversity of LatviaVilnius UniversityUniversity of MalayaUniversidad de SonoraUniversity of AmericaCatholic University of AmericaBenemérita Universidad Autónoma de PueblaUniversity of MontenegroUniversity of CanterburyAbdus Salam Centre for PhysicsJagiellonian UniversityAGH University of KrakowNational Centre for Nuclear ResearchUniversity of WarsawWarsaw University of TechnologyLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BelgradeCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversity of AlabamaETH ZurichUniversidad Autónoma de MadridUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaUniversity of ColomboUniversity of RuhunaPaul Scherrer InstituteUniversity of ZurichNational Central UniversityNational Taiwan UniversityChulalongkorn UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityIstanbul UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolRutherford Appleton LaboratoryImperial College LondonUniversity of Puerto Rico-MayaguezBrunel University of LondonBaylor UniversityBoston UniversityBrown UniversityUniversity of California, DavisUniversity of California, Los AngelesUniversity of California, RiversideUniversity of California San DiegoUniversity of VirginiaCarnegie Mellon UniversityUniversity of Colorado BoulderCornell UniversityFermi National Accelerator LaboratoryFlorida Institute of TechnologyUniversity of IowaJohns Hopkins UniversityLawrence Livermore National LaboratoryUniversity of Maryland, College ParkUniversity of MinnesotaUniversity of MississippiUniversity of Nebraska–LincolnUniversity at Buffalo, State University of New YorkNortheastern UniversityThe Ohio State UniversityPrinceton UniversityPurdue University NorthwestUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleVanderbilt UniversityWayne State University

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