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Search for R -parity violating supersymmetric decays of the top squark to a b -jet and a lepton in s = 13 TeV p p collisions with the ATLAS detector

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220Institutions déclarées
41Pays d’affiliation déclarés

Résumé fourni par la source

A search is presented for direct pair production of the stop, the supersymmetric partner of the top quark, in a decay through an R -parity violating coupling to a charged lepton and a b -quark. The dataset corresponds to an integrated luminosity of 140 fb − 1 of proton-proton collisions at a center-of-mass energy of s = 13 TeV collected between 2015 and 2018 by the ATLAS detector at the LHC. The final state has two charged leptons (electrons or muons) and two b -jets. The results of the search are interpreted in the context of a Minimal Supersymmetric Standard Model with an additional B − L gauge symmetry that is spontaneously broken. No significant excess is observed over the Standard Model background, and exclusion limits on stop pair production are set at 95% confidence level. The corresponding lower limits on the stop mass for 100% branching ratios to a b -quark and an electron, muon, or tau-lepton are 1.9 TeV, 1.8 TeV and 800 GeV, respectively, extending the reach of previous LHC searches. © 2024 CERN, for the ATLAS 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 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>R</mml:mi> </mml:math> -parity violating supersymmetric decays of the top squark to a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>b</mml:mi> </mml:math> -jet and a lepton in <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> <mml:math xmlns:mml="http://www.w3.org/1998/Math/M
Date Crossref
12/11/2024
Éditeur
American Physical Society (APS)
Type
journal-article

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Institutions déclarées

Aix-Marseille UniversitéUniversity of BergenUniversity of OklahomaNew York UniversityUniversity of GöttingenTU Dortmund UniversityBrookhaven National LaboratorySouthern Methodist UniversityMohammed V UniversityTel Aviv UniversityTechnion – Israel Institute of TechnologyUniversity of UdineIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineHeidelberg UniversityUniversité Savoie Mont BlancJagiellonian UniversityAGH University of KrakowBrandeis UniversityUniversity of ManchesterNorthern Illinois UniversityIstanbul UniversityInstitute of Particle PhysicsUniversity 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 ValènciaUniversity of Hassan II CasablancaLund UniversityWaseda UniversityUniversity of BonnBoğaziçi UniversityColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiInstitut 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 WarwickCzech Technical University in PragueLancaster UniversityCalifornia State University SystemUniversity of LiverpoolUniversity of JohannesburgIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversité Paris-SaclayUniversity 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 FreiburgUniversity of TorontoLIP - Laboratory of Instrumentation and Experimental Particle PhysicsAristotle University of ThessalonikiUniversity of OsloUniversity of SheffieldThe University of Texas at AustinUniversity of GlasgowStockholm 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 MontréalSapienza 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 SciencesCarleton UniversityQueen Mary University of LondonYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonNational Institute for Subatomic PhysicsUniversity of BolognaUniversity of CambridgeUnited Arab Emirates UniversityUniversity 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 SiegenUniversität InnsbruckUniversidad de Buenos AiresSorbonne UniversitéLaboratoire MédiationsTufts UniversityUniversity of BernIstinye UniversityUniversidade do Estado do Rio de JaneiroHarvard University PressUppsala UniversityLawrence Berkeley National LaboratoryUniversité Paris CitéCharles UniversityTechnische Universität DresdenUniversity of WürzburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreGaziantep UniversityWeizmann Institute of ScienceUniversity of CalabriaUniversité Clermont AuvergneThe Ohio State UniversityUniversity of WuppertalUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsMichigan State UniversityYork UniversitySimon Fraser UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesNanjing UniversityAnkara UniversityIndiana UniversityUniversity of PisaUniversity of CopenhagenUniversity of MinhoUniversidad Nacional de ColombiaUniversity 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 LisbonRoma Tre UniversityPontificia Universidad Católica de ChileMillennium InstituteUniversity of BucharestUniversidade Federal da BahiaUniversité Ibn-TofailUniversity of Hong KongLouisiana Tech UniversityShandong UniversityThe University of AdelaideUniversity of CoimbraUniversity of the Philippines DilimanUniversity of SharjahUniversity of the WitwatersrandUniversity of IowaNational Centre of Scientific Research "Demokritos"University of AlbertaWest University of TimişoaraŌtani UniversityThe University of OsakaUniversity of TsukubaNational University of Science and TechnologyAzerbaijan National Academy of SciencesUniversidade de São PauloTokyo Institute of TechnologyUniversity of TarapacáKyoto UniversityIowa State UniversityUniversidad 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-PyrénéesPremier UniversityUniversidad Antonio NariñoThe University of SydneyKyushu UniversityTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversity of La SerenaTOBB University of Economics and TechnologyUniversity of California System

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