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Accès ouvert déclaré 2018 article

Search for flavour-changing neutral current top-quark decays t → qZ in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

48Citations signalées, ce qui n’est pas une note de qualité
255Institutions déclarées
42Pays d’affiliation déclarés

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

Le résumé fourni par la source

Abstract A search for flavour-changing neutral-current processes in top-quark decays is presented. Data collected with the ATLAS detector from proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of $$ \sqrt{s}=13 $$ s=13 TeV, corresponding to an integrated luminosity of 36.1 fb−1, are analysed. The search is performed using top-quark pair events, with one top quark decaying through thet→qZ(q=u,c) flavour-changing neutral-current channel, and the other through the dominant Standard Model modet→bW. OnlyZboson decays into charged leptons and leptonicWboson decays are considered as signal. Consequently, the final-state topology is characterized by the presence of three isolated charged leptons (electrons or muons), at least two jets, one of the jets originating from ab-quark, and missing transverse momentum from the undetected neutrino. The data are consistent with Standard Model background contributions, and at 95% confidence level the search sets observed (expected) upper limits of 1.7 × 10−4(2.4 × 10−4) on thet→uZbranching ratio and 2.4 × 10−4(3.2 × 10−4) on thet→cZbranching ratio, constituting the most stringent limits to date.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for flavour-changing neutral current top-quark decays t → qZ in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Date Crossref
01/07/2018
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

Mohamed I UniversityCentre National de la Recherche ScientifiqueAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of OklahomaAzerbaijan National Academy of SciencesUniversité Paris-SudUniversité Paris-SaclayUniversity of TorontoUniversity of California, Santa CruzUniversity of SussexTel Aviv UniversityTechnion – Israel Institute of TechnologyStockholm UniversityIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineThe University of TokyoAGH University of KrakowNorthern Illinois UniversityLudwig-Maximilians-Universität MünchenRutherford Appleton LaboratoryHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of Rome Tor VergataKyoto UniversityLund UniversityUniversity of GenevaP.N. Lebedev Physical Institute of the Russian Academy of SciencesOsservatorio astronomico di BolognaUniversity of BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataRadboud University NijmegenNational Institute for Subatomic PhysicsEuropean Organization for Nuclear ResearchJoint Institute for Nuclear ResearchAlexandru Ioan Cuza UniversityNational Technical University of AthensUniversity of GöttingenUniversity of SalentoUniversity of MilanFermi National Accelerator LaboratoryUniversity of ChicagoColumbia UniversityUniversity of OregonUniversity of BirminghamUniversity of CopenhagenUniversity of WashingtonUniversity of GlasgowUniversitat de ValènciaInstituto de Física CorpuscularLawrence Berkeley National LaboratoryUniversity of California, BerkeleyUniversidade Federal do Rio de JaneiroBrandeis UniversityUniversity of MichiganUniversity of SheffieldThe University of Texas at AustinHeidelberg UniversityUniversity of BernUniversité Clermont AuvergneUniversity of AmsterdamSiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsUniversity of PisaNational Research Nuclear University MEPhIUniversity of California, IrvineSapienza University of RomeHigh Energy Accelerator Research OrganizationMichigan State UniversityDuke UniversityRoyal Holloway University of LondonInstitute of Particle PhysicsUniversité de MontréalUniversity of IowaBoğaziçi UniversityQueen Mary University of LondonUniversity of FreiburgUniversity of CambridgeUniversity of BonnInstitute for Theoretical and Experimental PhysicsUniversity of OxfordJohannes Gutenberg University MainzBrookhaven National LaboratoryComenius University BratislavaUniversity of Cape TownUniversity of Illinois Urbana-ChampaignUniversity of SiegenCzech Technical University in PragueChinese 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'UniversInstitute of Nuclear Physics, Polish Academy of SciencesSimon Fraser UniversityYale UniversityLouisiana Tech UniversityWeizmann Institute of ScienceUniversity of PennsylvaniaUniversity of Wisconsin–MadisonUniversity of WuppertalThe University of MelbourneUniversity of GenoaMax Planck Institute for PhysicsUniversität InnsbruckSLAC National Accelerator LaboratoryShanghai Jiao Tong UniversityUniversity of Science and Technology of ChinaRoma Tre UniversityUniversidad Autónoma de MadridLancaster UniversityKurchatov InstitutePetersburg Nuclear Physics InstituteThe Ohio State UniversityUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityNew York UniversityBahçeşehir UniversityGaziantep UniversityStony Brook UniversityUniversity College LondonCarleton UniversityUniversity of Hassan II CasablancaUppsala UniversityUniversité Savoie Mont BlancUniversité Grenoble AlpesInstitut polytechnique de GrenobleUniversity of Massachusetts AmherstUniversity of ManchesterUniversity of PittsburghHumboldt-Universität zu BerlinTechnische Universität DresdenBoston UniversityArgonne National LaboratoryPontificia Universidad Católica de ChileLomonosov Moscow State UniversityInstitute for High Energy PhysicsChinese University of Hong KongInstitute for High Energy PhysicsUniversidad de Buenos AiresThe University of Texas at ArlingtonTokyo Metropolitan UniversityUniversity of EdinburghFederico Santa María Technical UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesUniversity of BergenUniversity of OsloUniversity of LiverpoolTU Dortmund UniversityInstitute of Physics, Academia SinicaUniversity at Albany, State University of New YorkAnkara UniversityIndiana University BloomingtonOklahoma State UniversityIstanbul Bilgi UniversityUniversidade Federal de Juiz de ForaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaHarvard UniversityTRIUMFNanjing UniversityTsinghua UniversityKobe UniversityMohammed V UniversityUniversity of ArizonaNational Tsing Hua UniversityAristotle University of ThessalonikiCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicMcGill UniversityPalacký University OlomoucUniversity of LjubljanaJožef Stefan InstituteJožef Stefan International Postgraduate SchoolIowa State UniversityUniversity of JohannesburgUniversity of British ColumbiaUniversity of AlbertaCharles UniversityTbilisi State UniversityFederal University of São João del-ReiUniversidade de São PauloShandong UniversityJustus-Liebig-Universität GießenThe University of AdelaideCadi Ayyad UniversityUniversity of WarwickUniversity of PaviaNational and Kapodistrian University of AthensNagasaki Institute of Applied ScienceUniversity of CalabriaWest University of TimişoaraUniversity of New MexicoSouthern Methodist UniversityUniversity of TsukubaA. Alikhanyan National LaboratoryUniversity of WürzburgNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsShinshu UniversityUniversity of the WitwatersrandObayashi (Japan)Nagoya UniversityBelarusian State UniversityWaseda UniversityThe University of OsakaTokyo Institute of TechnologyUniversity of TrentoThe University of Texas at DallasYork UniversityKTH Royal Institute of TechnologyKyushu UniversityNational Research Tomsk State UniversityUniversity of BelgradeIstanbul Aydın UniversityUniversity of Chinese Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di GenovaHong Kong University of Science and TechnologyThe University of SydneyUniversity of Hong KongIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversidad Antonio NariñoUniversidad de GranadaHiroshima Institute of TechnologyOkayama University of ScienceJagiellonian UniversityInstitute of PhysicsUniversity of the AegeanIstituto Nazionale di Fisica Nucleare, Sezione di MilanoIstituto Nazionale di Fisica Nucleare, Sezione di NapoliNational Institute for Research and Development of Isotopic and Molecular TechnologiesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergyUniversity of LisbonIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaTOBB University of Economics and TechnologyKyoto University of EducationInstitute for Particle and Nuclear PhysicsHUN-REN Wigner Research Centre for PhysicsTransylvania University of BrașovGiresun UniversityIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversity of CoimbraIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreUniversity of MalayaMoscow 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 studiesHigh-Energy Particle Collisions ResearchNeutrino Physics Research

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