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Accès ouvert déclaré 2023 article

Search for leptonic charge asymmetry in $$ t\overline{t}W $$ production in final states with three leptons at $$ \sqrt{s} $$ = 13 TeV

3Citations signalées, ce qui n’est pas une note de qualité
248Institutions déclarées
39Pays d’affiliation déclarés

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

Le résumé fourni par la source

Abstract A search for the leptonic charge asymmetry ( $$ {A}_{\textrm{c}}^{\ell } $$ A c ℓ ) of top-quark-antiquark pair production in association with a W boson ( $$ t\overline{t}W $$ t t ¯ W ) is presented. The search is performed using final states with exactly three charged light leptons (electrons or muons) and is based on $$ \sqrt{s} $$ s = 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider at CERN during the years 2015–2018, corresponding to an integrated luminosity of 139 fb−1. A profile-likelihood fit to the event yields in multiple regions corresponding to positive and negative differences between the pseudorapidities of the charged leptons from top-quark and top-antiquark decays is used to extract the charge asymmetry. At reconstruction level, the asymmetry is found to be −0.12 ± 0.14 (stat.) ± 0.05 (syst.). An unfolding procedure is applied to convert the result at reconstruction level into a charge-asymmetry value in a fiducial volume at particle level with the result of −0.11 ± 0.17 (stat.) ± 0.05 (syst.). The Standard Model expectations for these two observables are calculated using Monte Carlo simulations with next-to-leading-order plus parton shower precision in quantum chromodynamics and including next-to-leading-order electroweak corrections. They are $$ -{0.084}_{-0.003}^{+0.005} $$ − 0.084 − 0.003 + 0.005 (scale) ± 0.006 (MC stat.) and $$ -{0.063}_{-0.004}^{+0.007} $$ − 0.063 − 0.004 + 0.007 (scale) ± 0.004 (MC stat.) respectively, and in agreement with the measurements.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for leptonic charge asymmetry in $$ t\overline{t}W $$ production in final states with three leptons at $$ \sqrt{s} $$ = 13 TeV
Date Crossref
05/07/2023
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 AmherstUniversity of GöttingenBrookhaven National LaboratoryMohammed V UniversityTel Aviv UniversityTechnion – Israel Institute of TechnologyNew York UniversityPontificia Universidad Católica de ChileIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineUniversité Savoie Mont BlancAGH University of KrakowUniversity of TorontoBrandeis UniversityNorthern Illinois UniversityIstanbul UniversityUniversity of GenevaRutherford Appleton LaboratoryUniversity of California, Santa CruzEuropean Organization for Nuclear ResearchInstitute for High Energy PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityUniversidad de GranadaAzerbaijan National Academy of SciencesMcGill UniversityRoyal Holloway University of LondonDeutsches Elektronen-Synchrotron DESYIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversity of Hassan II CasablancaWeizmann Institute of ScienceLund UniversityColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of EdinburghArgonne National LaboratoryHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringNational Technical University of AthensUniversity of OklahomaIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of SussexFederico Santa María Technical UniversityUniversity 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 MadridUniversity of ManchesterUniversidade Federal do Rio de JaneiroThe University of AdelaideLudwig-Maximilians-Universität MünchenUniversity of MichiganLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversitat de ValènciaInstituto de Física CorpuscularUniversity of OsloUniversity of SheffieldThe University of Texas at AustinStockholm UniversityNational and Kapodistrian University of AthensThe University of Texas at ArlingtonIstituto Nazionale di Fisica Nucleare, Sezione di PisaOklahoma State UniversityLawrence Berkeley National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationThe University of TokyoHumboldt-Universität zu BerlinUniversidade Federal de Juiz de ForaDuke UniversityUniversity of LiverpoolInstitute of Particle PhysicsUniversité de MontréalUniversity of FreiburgNational Institute for Subatomic PhysicsUniversity of AmsterdamObayashi (Japan)Nagoya UniversityOtsuka (Japan)Ochanomizu UniversityHarvard UniversityMohamed I UniversityComenius University BratislavaUniversity of Cape TownUniversity of Illinois Urbana-ChampaignShandong UniversityCzech Technical University in PragueUniversity of WuppertalCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversAristotle University of ThessalonikiCarleton UniversityYale UniversityUniversity of BelgradeThe University of SydneyNanjing UniversityCharles UniversityHeidelberg UniversityUniversity of CambridgeInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of PittsburghUniversity of BonnThe University of MelbourneUniversity of GenoaUniversity College LondonMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryPalacký University OlomoucUniversity of Science and Technology of ChinaChinese Academy of SciencesInstitute of High Energy PhysicsLancaster UniversityTU Dortmund UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreUniversity of GlasgowUniversity of SiegenUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of BernIstinye UniversityStony Brook UniversityUniversidade do Estado do Rio de JaneiroUnited Arab Emirates UniversityUniversity of BergenUppsala UniversityUniversity of ArizonaLaboratoire AstroParticule et CosmologieTechnische Universität DresdenQueen Mary University of LondonUniversity of JohannesburgUniversity of WürzburgUniversity of OregonGaziantep UniversityUniversity of CalabriaUniversity of Wisconsin–MadisonUniversity of OxfordUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneThe Ohio State UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesUniversity of BolognaSimon Fraser UniversityBoston UniversityMichigan State UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesAnkara UniversityIndiana University BloomingtonUniversity of CopenhagenUniversity of IowaTRIUMFRadboud University NijmegenUniversity of the WitwatersrandBoğaziçi UniversityIstituto Nazionale di Fisica Nucleare, Sezione di LecceTbilisi State UniversityTsinghua UniversityChinese University of Hong KongNational Tsing Hua UniversityFZU ‒ 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 ColumbiaIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsUniversity of California, IrvineUniversity of PennsylvaniaUniversidad de Buenos AiresInstituto de Física de Buenos AiresFundación Ciencias Exactas y NaturalesYork UniversitySouthern Methodist UniversityUniversidade de São PauloUniversité Ibn-TofailNational Centre of Scientific Research "Demokritos"Louisiana Tech UniversityFermi National Accelerator LaboratoryUniversity of ChicagoUniversity of the Philippines DilimanUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiJagiellonian UniversityInstitute of PhysicsUniversity of AlbertaWest University of TimişoaraCalifornia State University, FresnoShanghai Jiao Tong UniversityUniversity of WarwickShinshu UniversityIowa State UniversityKobe UniversityThe University of OsakaInstitute of Physics, Academia SinicaUniversity of Hong KongThe University of Texas at DallasTokyo Institute of TechnologyUniversity of TarapacáWaseda UniversityKyushu UniversityUniversität InnsbruckKyoto UniversityKTH Royal Institute of TechnologyHong Kong University of Science and TechnologyUniversity of SalentoCentro Nacional de MicroelectrónicaInstitut de Microelectrònica de BarcelonaSapienza University of RomeUniversity of PaviaUniversity of MilanUniversity of Rome Tor VergataUniversity of PisaUniversity of New MexicoRoma Tre UniversityUniversity of Colorado BoulderUniversity of UdineTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversity of TrentoUniversidad Antonio NariñoUniversidad Nacional de ColombiaUniversity of TsukubaThe Abdus Salam International Centre for Theoretical Physics (ICTP)University of SharjahTOBB University of Economics and TechnologyUniversität HamburgKyoto University of EducationUniversité Mohammed VI PolytechniqueInstitute of Physics and TechnologyUniversity of La SerenaUniversity of CoimbraUniversidad Andrés Bello

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

Les sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions

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