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Accès ouvert déclaré 2021 article

Search for singly and pair-produced leptoquarks coupling to third-generation fermions in proton-proton collisions at s = 13 TeV

69Citations signalées — pas une note de qualité
212Institutions déclarées
47Pays d’affiliation déclarés

Résumé fourni par la source

A search for leptoquarks produced singly and in pairs in proton-proton collisions is presented. We consider the leptoquark (LQ) to be a scalar particle of charge −1/3 e coupling to a top quark plus a tau lepton ( t τ ) or a bottom quark plus a neutrino ( b ν ), or a vector particle of charge +2/3 e , coupling to t ν or b τ . These choices are motivated by models that can explain a series of anomalies observed in the measurement of B meson decays. In this analysis the signatures t τ ν b and t τ ν are probed, using data recorded by the CMS experiment at the CERN LHC at s = 13 TeV and that correspond to an integrated luminosity of 137 fb −1 . These signatures have not been previously explored in a dedicated search. The data are found to be in agreement with the standard model prediction. Lower limits at 95% confidence level are set on the LQ mass in the range 0.98–1.73 TeV, depending on the LQ spin and its coupling λ to a lepton and a quark, and assuming equal couplings for the two LQ decay modes considered. These are the most stringent constraints to date on the existence of leptoquarks in this scenario.

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Contrôle bibliographique ouvert

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

Titre Crossref
Search for singly and pair-produced leptoquarks coupling to third-generation fermions in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"> <mml:msqrt> <mml:mrow> <mml:mi>s</mml:mi> </mml:mrow> </mml:msqrt> <mml:mo linebreak="goodbreak" linebreakstyle="after">=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> TeV</mml:mtext> </mml:math>
Date Crossref
01/08/2021
Éditeur
Elsevier BV
Type
journal-article

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Institutions déclarées

A. Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of AntwerpUnited Institute of Informatics ProblemsInstitute of Applied PhysicsInstitute of Modern PhysicsVrije Universiteit BrusselBeihang UniversityUniversité Libre de BruxellesUCLouvainGhent University HospitalCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Federal do Estado do Rio de JaneiroInstitute of High Energy PhysicsInstitute for Nuclear Research and Nuclear EnergyUniversidade PaulistaUniversidade Estadual Paulista (Unesp)Universidade Federal do ABCCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversBulgarian Academy of SciencesSofia University "St. Kliment Ohridski"Sungkyunkwan UniversityTsinghua UniversityRWTH Aachen UniversityPeking UniversityFermi National Accelerator LaboratorySun Yat-sen UniversityFudan UniversityZhejiang UniversityRuđer Bošković InstituteUniversidad de Los AndesUniversity of CyprusUniversity of SplitUniversidad de AntioquiaUniversidad San Francisco de QuitoFayoum UniversityNational Institute of Chemical Physics and BiophysicsTata Institute of Fundamental ResearchEgyptian Universities NetworkUniversity of HelsinkiHelsinki Institute of PhysicsGeorgian Technical UniversityCharles UniversityNational Polytechnic SchoolNational Polytechnic SchoolAcademy of Scientific Research and TechnologyCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetLappeenranta-Lahti University of TechnologyIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeLyon 1 UniversitéInstitute of Nuclear Physics of LyonInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgUniversity of MinnesotaDeutsches Elektronen-Synchrotron DESYSaha Institute of Nuclear PhysicsUniversität HamburgNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsKarlsruhe Institute of TechnologyNational and Kapodistrian University of AthensEuropean Organization for Nuclear ResearchHUN-REN Wigner Research Centre for PhysicsUniversity of DebrecenNational Institute of Science Education and ResearchPanjab UniversityUniversity of DelhiNational Technical University of AthensUniversity of IoanninaEötvös Loránd UniversityHUN-REN Institute for Nuclear ResearchKároly Róbert University CollegeIndian Institute of Science Education and Research PuneIndian Institute of Science BangaloreIstituto Nazionale di Fisica Nucleare, Sezione di BariKyungpook National UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIndian Institute of Technology MadrasBhabha Atomic Research CentreIsfahan University of TechnologyInstitute for Research in Fundamental SciencesIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di NapoliIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Sezione di TorinoIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaHanyang UniversityVilnius UniversityChonnam National UniversityUniversidad de SonoraUniversity of MontenegroUniversity of CanterburyNational Centre for Nuclear ResearchUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of SeoulKorea UniversityPetersburg Nuclear Physics InstituteJoint Institute for Nuclear ResearchSeoul National UniversityUniversity of Illinois ChicagoKyung Hee UniversitySejong UniversityInstitute for Nuclear ResearchUniversity of WarsawYonsei UniversityLomonosov Moscow State UniversityAmerican University of the Middle EastRiga Technical UniversityUniversity of MalayaInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalNovosibirsk State UniversityKurchatov InstituteInstitute for High Energy PhysicsIbero American UniversityBenemérita Universidad Autónoma de PueblaNational Research Tomsk State UniversityAutonomous University of San Luis PotosíUniversity of AucklandAbdus Salam Centre for PhysicsAGH University of KrakowCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaInstitute for Theoretical and Experimental PhysicsKansas State UniversityP.N. Lebedev Physical Institute of the Russian Academy of SciencesMoscow Institute of Physics and TechnologyNational Research Nuclear University MEPhITomsk Polytechnic UniversityETH ZurichUniversity of BelgradeVinča Institute of Nuclear SciencesUniversity of ZurichCukurova UniversityChulalongkorn UniversityUniversity of ColomboUniversity of RuhunaMiddle East Technical UniversityBoğaziçi UniversityUniversity of BristolRutherford Appleton LaboratoryImperial College LondonUniversity of AlabamaUniversity of California San DiegoBaylor UniversityPaul Scherrer InstituteUniversity of AmericaCatholic University of AmericaBrown UniversityNational Central UniversityNational Taiwan UniversityUniversity of California, RiversideUniversity of California, DavisUniversity of California, Santa BarbaraUniversity of KansasIstanbul Technical UniversityCalifornia Institute of TechnologyUniversity of FloridaCarnegie Mellon UniversityIstanbul UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of Colorado BoulderCornell UniversityUniversity of Puerto Rico-MayaguezBrunel University of LondonFlorida Institute of TechnologyJohns Hopkins UniversityUniversity of California, Los AngelesRutgers, The State University of New JerseyMassachusetts Institute of TechnologyUniversity of Maryland, College ParkUniversity at Buffalo, State University of New YorkUniversity of MississippiUniversity of Nebraska–LincolnPurdue University West LafayetteUniversity of Notre DameThe Ohio State UniversityPrinceton UniversityPurdue University NorthwestFlorida State UniversityUniversity of VirginiaTexas A&M UniversityUniversity of RochesterUniversity of IowaTexas Tech UniversityVanderbilt UniversityUniversity of Wisconsin–MadisonLawrence Livermore National LaboratoryRice UniversityNortheastern UniversityNorthwestern UniversityUniversity of Tennessee at KnoxvilleWayne State University

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