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Search for pair production of third-generation scalar leptoquarks decaying into a top quark and a τ-lepton in pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

57Citations signalées, ce qui n’est pas une note de qualité
260Institutions déclarées
38Pays d’affiliation déclarés

Rattachement africain : fr, us, ch, de, gb, ca, dk, il, it, pl, tr, nl, ro, pt, ru, jp, se, gr, ar, es, br, Maroc, sk, Afrique du Sud, cz, cn, rs, au, no, cl, tw, hk, ge, si, at, by, az, co. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Abstract A search for pair production of third-generation scalar leptoquarks decaying into a top quark and a τ-lepton is presented. The search is based on a dataset of pp collisions at $$ \sqrt{s} $$ s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb−1. Events are selected if they have one light lepton (electron or muon) and at least one hadronically decaying τ -lepton, or at least two light leptons. In addition, two or more jets, at least one of which must be identified as containing b-hadrons, are required. Six final states, defined by the multiplicity and flavour of lepton candidates, are considered in the analysis. Each of them is split into multiple event categories to simultaneously search for the signal and constrain several leading backgrounds. The signal-rich event categories require at least one hadronically decaying τ-lepton candidate and exploit the presence of energetic final-state objects, which is characteristic of signal events. No significant excess above the Standard Model expectation is observed in any of the considered event categories, and 95% CL upper limits are set on the production cross section as a function of the leptoquark mass, for different assumptions about the branching fractions into tτ and bν. Scalar leptoquarks decaying exclusively into tτ are excluded up to masses of 1.43 TeV while, for a branching fraction of 50% into tτ, the lower mass limit is 1.22 TeV.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for pair production of third-generation scalar leptoquarks decaying into a top quark and a τ-lepton in pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Date Crossref
30/06/2021
Éditeur
Springer Science and Business Media LLC
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

Centre National de la Recherche ScientifiqueAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of Massachusetts AmherstEuropean Organization for Nuclear ResearchUniversity of GöttingenRoyal Holloway University of LondonUniversity of TorontoUniversity of CopenhagenUniversity of SussexTel Aviv UniversityTechnion – Israel Institute of TechnologyArgonne National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineUniversité Savoie Mont BlancAGH University of KrakowNorthern Illinois UniversityBoğaziçi UniversityUniversity of GenevaRutherford Appleton LaboratoryUniversity of California, Santa CruzUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneRadboud University NijmegenNational Institute for Subatomic PhysicsAlexandru Ioan Cuza UniversityLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchMcGill UniversityLawrence Berkeley National LaboratoryUniversity of California, BerkeleyIstituto Nazionale di Fisica Nucleare, Roma Tor VergataKyoto UniversityJohannes Gutenberg University MainzLund UniversityP.N. Lebedev Physical Institute of the Russian Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of VictoriaHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringNational Technical University of AthensUniversity of OklahomaNational Research Tomsk State UniversityIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversity of OregonUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of WashingtonUniversidad Autónoma de MadridUniversidade Federal do Rio de JaneiroUniversity of OxfordUniversity of MichiganDeutsches Elektronen-Synchrotron DESYThe University of Texas at ArlingtonUniversity of SheffieldThe University of Texas at AustinUniversity of BernStockholm UniversityHeidelberg UniversityNational and Kapodistrian University of AthensColumbia UniversitySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PisaOklahoma State UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationUniversitat de ValènciaInstituto de Física CorpuscularUniversidade Federal de Juiz de ForaDuke UniversityInstitute of Particle PhysicsUniversité de MontréalUniversity of FreiburgUniversity of AmsterdamLudwig-Maximilians-Universität MünchenObayashi (Japan)Nagoya UniversityOtsuka (Japan)Ochanomizu UniversityTokyo Institute of TechnologyHarvard UniversityMohamed I UniversityBrookhaven National LaboratoryComenius University BratislavaUniversity of Cape TownUniversity of Illinois Urbana-ChampaignHumboldt-Universität zu BerlinCzech Technical University in PragueUniversity of WuppertalChinese Academy of SciencesInstitute of High Energy PhysicsCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversAristotle University of ThessalonikiSimon Fraser UniversityYale UniversityUniversity of BelgradeThe University of SydneyWeizmann Institute of ScienceInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of PittsburghUniversity of Wisconsin–MadisonThe University of MelbourneUniversity of GenoaUniversity College LondonMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryUniversity of Science and Technology of ChinaKurchatov InstitutePetersburg Nuclear Physics InstituteLancaster UniversityUniversity of GlasgowMohammed V UniversityUniversity of CambridgeUniversity of SiegenUniversity of BonnCalifornia State University, Long BeachUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of WarwickGaziantep UniversityBahçeşehir UniversityStony Brook UniversityCarleton UniversityNational Research Nuclear University MEPhIUniversity of Hassan II CasablancaBrandeis UniversityUppsala UniversityUniversity of ArizonaTechnische Universität DresdenSouthern Methodist UniversityQueen Mary University of LondonUniversity of WürzburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreUniversity of ManchesterUniversity of AlbertaUniversity of OsloInstitute for High Energy PhysicsUniversity of LiverpoolInstitute for High Energy PhysicsThe Ohio State UniversityUniversity of JohannesburgShanghai Jiao Tong UniversityFederico Santa María Technical UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesUniversity of BergenBoston UniversityMichigan State UniversityInstitute of Physics, Academia SinicaJustus-Liebig-Universität GießenAnkara UniversityIndiana University BloomingtonUniversity of IowaUniversity of CalabriaTRIUMFUniversity of EdinburghChinese University of Hong KongIstanbul Bilgi UniversityPalacký University OlomoucTbilisi State UniversityIowa State UniversityNanjing UniversityTsinghua UniversityNational Tsing Hua UniversityIstituto Nazionale di Fisica Nucleare, Sezione di LecceThe University of TokyoUniversity of the WitwatersrandUniversity of Chinese Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of LjubljanaJožef Stefan InstituteJožef Stefan International Postgraduate SchoolIstituto Nazionale di Fisica Nucleare, Sezione di GenovaInstitut polytechnique de GrenobleUniversité Grenoble AlpesUniversity of British ColumbiaNew York UniversityUniversity of PennsylvaniaUniversity of California, IrvineShandong UniversityTU Dortmund UniversityUniversidad de Buenos AiresYork UniversityCharles UniversityIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsPontificia Universidad Católica de ChileFederal University of São João del-ReiUniversidade de São PauloThe University of AdelaideNational Centre of Scientific Research "Demokritos"Istituto Nazionale di Fisica Nucleare, Sezione di PaviaThe University of Texas at DallasTokyo Metropolitan UniversityNagasaki Institute of Applied ScienceFermi National Accelerator LaboratoryUniversity of ChicagoInstitute for Theoretical and Experimental PhysicsJagiellonian UniversityInstitute of PhysicsLomonosov Moscow State UniversityUniversité Ibn-TofailWest University of TimişoaraUniversity of New MexicoUniversität InnsbruckNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsShinshu UniversityKobe UniversityThe University of OsakaUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiBelarusian State UniversityUniversity at Albany, State University of New YorkWaseda UniversityKyushu UniversityAzerbaijan National Academy of SciencesIstanbul Aydın UniversityUniversidad Andrés BelloUniversity of TarapacáUniversity of MilanUniversity of PaviaHong Kong University of Science and TechnologyUniversity of Hong KongSapienza University of RomeUniversity of Rome Tor VergataKTH Royal Institute of TechnologyRoma Tre UniversityUniversity of UdineUniversity of PisaUniversidad Antonio NariñoHiroshima Institute of TechnologyUniversity of TsukubaUniversity of the AegeanTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of SalentoUniversity of TrentoUniversidad Nacional de ColombiaLouisiana Tech UniversityNovosibirsk State UniversityThe Abdus Salam International Centre for Theoretical Physics (ICTP)TOBB University of Economics and TechnologyUniversität HamburgKyoto University of EducationGiresun UniversityUniversity of CoimbraMoscow Institute of Physics and Technology

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Particle physics theoretical and experimental studiesParticle Detector Development and PerformanceDark Matter and Cosmic Phenomena

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