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Search for charged-lepton-flavor violating μτqt interactions in top-quark production and decay in pp collisions at s=13 TeV with the ATLAS detector at the LHC

4Citations signalées — pas une note de qualité
226Institutions déclarées
41Pays d’affiliation déclarés

Résumé fourni par la source

A search for charged-lepton-flavor violating μτqt ( q=u , c ) interactions is presented, considering both top-quark production and decay. The data analyzed correspond to 140 fb−1 of proton-proton collisions at a center-of-mass energy of s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider. The analysis targets events containing two muons with the same electric charge, a hadronically decaying τ -lepton and at least one jet, with exactly one b -tagged jet, produced by a μτqt interaction. Agreement with the Standard Model expectation within 1.6 standard deviations is observed, and limits are set at the 95% confidence level (CL) on the charged-lepton-flavor violation branching ratio of B(t→μτq)<8.7×10−7 . An effective field theory interpretation is performed yielding 95% CL limits on Wilson coefficients, dependent on the flavor of the associated light quark and the Lorentz structure of the coupling. These range from |clequ3(2313)|/Λ2<0.10 TeV−2 for μτut to |clequ1(2323)|/Λ2<1.8 TeV−2 for μτct . An additional interpretation is performed for scalar leptoquark production inducing charged-lepton-flavor violation, with fixed intergenerational couplings. Upper limits on leptoquark coupling strengths are set at the 95% CL, ranging from λLQ=1.3 to λLQ=3.7 for leptoquark masses between 0.5 and 2.0 TeV. © 2024 CERN, for the ATLAS Collaboration 2024 CERN

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

Titre Crossref
Search for charged-lepton-flavor violating <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>μ</mml:mi><mml:mi>τ</mml:mi><mml:mi>q</mml:mi><mml:mi>t</mml:mi></mml:math> interactions in top-quark production and decay in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></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:math> with the ATLAS detector at the LHC
Date Crossref
25/07/2024
Éditeur
American Physical Society (APS)
Type
journal-article

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Aix-Marseille UniversitéCentre de physique des particules de MarseilleUniversity of BergenUniversity of OklahomaUniversity of GöttingenTU Dortmund UniversityBrookhaven National LaboratorySouthern Methodist UniversityMohammed V UniversityTel Aviv UniversityTechnion – Israel Institute of TechnologyNew York UniversityUniversity of UdineIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineHeidelberg UniversityLaboratoire d’Annecy de Physique des ParticulesUniversité Savoie Mont BlancJagiellonian UniversityAGH University of KrakowBrandeis UniversityUniversity of ManchesterNorthern Illinois UniversityIstanbul UniversityRutherford Appleton LaboratoryUniversity of California, Santa CruzUniversity of ChicagoBarcelona Institute of Science and TechnologyInstitute of Science and TechnologyUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityEuropean Organization for Nuclear ResearchMcGill UniversityRoyal Holloway University of LondonZhengzhou UniversityUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversitat de ValènciaWeizmann Institute of ScienceLund UniversityWaseda UniversityUniversity of BonnBoğaziçi UniversityColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiLaboratoire de Physique Subatomique et de CosmologieInstitut des langues et cultures d'Europe, Amérique, Afrique, Asie et AustralieUniversité Grenoble AlpesUniversity of EdinburghOklahoma State University Oklahoma CityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicNational Technical University of AthensUniversity of GenevaUniversity of SiegenCzech Technical University in PragueLancaster UniversityUniversity of LiverpoolUniversity of JohannesburgIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of SussexUniversidad Técnica Federico Santa MaríaUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliConsejo Nacional de Investigaciones Científicas y TécnicasUniversidad Nacional de La PlataUniversity of WashingtonUniversidad Autónoma de MadridUniversidade Federal do Rio de JaneiroLudwig-Maximilians-Universität MünchenUniversity of MichiganUniversity of TorontoLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of OsloUniversity of SheffieldThe University of Texas at AustinStockholm UniversityUniversity of MilanNational and Kapodistrian University of AthensIstituto Nazionale di Fisica Nucleare, Sezione di PisaStony Brook UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma IThe University of TokyoDeutsches Elektronen-Synchrotron DESYHumboldt-Universität zu BerlinInstitute of Nuclear Physics, Polish Academy of SciencesDuke UniversityUniversité de MontréalUniversity of FreiburgNational Institute for Subatomic PhysicsSapienza University of RomeNagoya UniversityOchanomizu UniversityComenius University BratislavaUniversity of California, IrvineUniversity of Cape TownUniversity of Illinois SystemThe Polytechnic University of JapanUniversité Mohammed VI PolytechniqueCalifornia University of PennsylvaniaSlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversAristotle University of ThessalonikiCarleton UniversityQueen Mary University of LondonYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonUniversity of BolognaUniversity of CambridgeUniversity of PittsburghThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryPalacký University OlomoucUniversity of Science and Technology of ChinaUniversity of OxfordUniversity College LondonChinese Academy of SciencesUniversity of British ColumbiaUniversity of GlasgowUniversidad de Buenos AiresUniversité Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of BernUniversity of WarwickIstinye UniversityUniversidade do Estado do Rio de JaneiroUnited Arab Emirates UniversityHarvard University PressUppsala UniversityLawrence Berkeley National LaboratoryCharles UniversityTechnische Universität DresdenUniversity of WürzburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreGaziantep UniversityUniversity of CalabriaUniversité Clermont AuvergneThe Ohio State UniversityUniversity of WuppertalSimon Fraser UniversityMichigan State UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesNanjing UniversityAnkara UniversityIndiana UniversityUniversity of PisaUniversity of CopenhagenUniversity of MinhoUniversity of SalentoIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversidade Federal de Juiz de ForaTbilisi State UniversityArgonne National LaboratoryShanghai Jiao Tong UniversityTsinghua UniversityChinese University of Hong KongUniversity of ArizonaNational Tsing Hua UniversityUniversity of LjubljanaUniversity of LisbonUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsRoma Tre UniversityPontificia Universidad Católica de ChileMillennium InstituteUniversidade de São PauloUniversity of BucharestUniversité Ibn-TofailLouisiana Tech UniversityShandong UniversityThe University of AdelaideUniversity of CoimbraUniversity of the Philippines DilimanUniversidade Federal da BahiaUniversity of SharjahUniversity of the WitwatersrandUniversity of IowaNational Centre of Scientific Research "Demokritos"University of AlbertaWest University of TimişoaraCalifornia State University SystemUniversity of TsukubaŌtani UniversityTokyo Institute of TechnologyIowa State UniversityThe University of OsakaNational University of Science and TechnologyUniversity of Hong KongAzerbaijan National Academy of SciencesUniversity of TarapacáYork UniversityKyoto UniversityUniversität InnsbruckUniversidad Andrés BelloKobe UniversityKTH Royal Institute of TechnologyHong Kong University of Science and TechnologySun Yat-sen UniversityCentro Nacional de MicroelectrónicaInstitut de Microelectrònica de BarcelonaUniversité Fédérale de Toulouse Midi-PyrénéesLaboratoire des 2 Infinis ToulousePremier UniversityUniversidad Antonio NariñoThe University of SydneyKyushu UniversityTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversidad Nacional de ColombiaUniversity of La SerenaTOBB University of Economics and TechnologyUniversity of California System

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