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Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV

17Citations signalées — pas une note de qualité
255Institutions déclarées
39Pays d’affiliation déclarés

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Abstract Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than 355 GeV and the other top quark decays into ℓνb are presented using 139 fb−1 of data collected by the ATLAS experiment during proton-proton collisions at the LHC. The fiducial cross-section at $$ \sqrt{s} $$ s = 13 TeV is measured to be σ = 1.267 ± 0.005 ± 0.053 pb, where the uncertainties reflect the limited number of data events and the systematic uncertainties, giving a total uncertainty of 4.2%. The cross-section is measured differentially as a function of variables characterising the $$ t\overline{t} $$ t t ¯ system and additional radiation in the events. The results are compared with various Monte Carlo generators, including comparisons where the generators are reweighted to match a parton-level calculation at next-to-next-to-leading order. The reweighting improves the agreement between data and theory. The measured distribution of the top-quark transverse momentum is used to search for new physics in the context of the effective field theory framework. No significant deviation from the Standard Model is observed and limits are set on the Wilson coefficients of the dimension-six operators OtG and $$ {O}_{tq}^{(8)} $$ O tq 8 , where the limits on the latter are the most stringent to date.

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV
Date Crossref
13/06/2022
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 ne compte pas comme une seconde source scientifique indépendante.

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 LondonBrookhaven 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 CruzInstitute for High Energy PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchMcGill UniversityDeutsches Elektronen-Synchrotron DESYIstituto Nazionale di Fisica Nucleare, Roma Tor VergataWeizmann Institute of ScienceLund UniversityP.N. Lebedev Physical Institute of the Russian Academy of SciencesColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of EdinburghHoria 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 SussexUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of WashingtonUniversidad Autónoma de MadridUniversidade Federal do Rio de JaneiroUniversity of OxfordUniversity of MichiganUniversitat de ValènciaInstituto de Física CorpuscularUniversity of OsloUniversity of SheffieldCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversThe University of Texas at AustinUniversity of BernStockholm UniversityNational and Kapodistrian University of AthensSiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PisaOklahoma State UniversityLawrence Berkeley National LaboratoryUniversity of California, BerkeleyIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationHumboldt-Universität zu BerlinUniversidade Federal de Juiz de ForaDuke UniversityUniversity of LiverpoolInstitute of Particle PhysicsUniversité de MontréalUniversity of FreiburgNational Institute for Subatomic PhysicsUniversity of AmsterdamLudwig-Maximilians-Universität MünchenObayashi (Japan)Nagoya UniversityOtsuka (Japan)Ochanomizu UniversityHarvard UniversityUppsala UniversityMohamed I UniversityComenius University BratislavaUniversity of Cape TownUniversity of Illinois Urbana-ChampaignShandong UniversityCzech Technical University in PragueUniversity of WuppertalNanjing UniversityAristotle University of ThessalonikiCarleton UniversityYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonThe University of SydneyCharles 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 PhysicsUniversity of OregonSLAC National Accelerator LaboratoryPalacký University OlomoucUniversity of Science and Technology of ChinaChinese Academy of SciencesInstitute of High Energy PhysicsKurchatov InstitutePetersburg Nuclear Physics InstituteLancaster UniversityTU Dortmund UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of ManchesterUniversity of GlasgowUniversity of SiegenBoğaziçi UniversityUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityIstinye UniversityStony Brook UniversityUnited Arab Emirates UniversityNational Research Nuclear University MEPhIUniversity of Hassan II CasablancaUniversity of ArizonaLaboratoire AstroParticule et CosmologieSouthern Methodist UniversityQueen Mary University of LondonUniversity of WürzburgArgonne National LaboratoryGaziantep UniversityUniversity of BolognaUniversity of AlbertaUniversity of Wisconsin–MadisonUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneThe Ohio State UniversityShanghai Jiao Tong UniversityFederico Santa María Technical UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesUniversity of BergenSimon Fraser UniversityBoston UniversityMichigan State UniversityJustus-Liebig-Universität GießenAnkara UniversityIndiana University BloomingtonUniversity of CopenhagenUniversity of IowaUniversity of CalabriaTRIUMFRadboud University NijmegenUniversity of JohannesburgIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversidad de GranadaTbilisi State UniversityTsinghua UniversityChinese University of Hong KongNational Tsing Hua UniversityUniversity 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 ColumbiaIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsUniversity of California, IrvineUniversity of PennsylvaniaUniversidad de Buenos AiresYork UniversityInstitute for High Energy PhysicsUniversidade de São PauloUniversité Ibn-TofailThe University of TokyoUniversity of WarwickNational Centre of Scientific Research "Demokritos"The University of Texas at DallasThe University of AdelaideUniversity of the Philippines DilimanFermi National Accelerator LaboratoryUniversity of ChicagoInstitute for Theoretical and Experimental PhysicsJagiellonian UniversityInstitute of PhysicsLomonosov Moscow State UniversityWest University of TimişoaraCalifornia State University, Long BeachUniversity of New MexicoNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsShinshu UniversityIowa State UniversityTechnische Universität DresdenKobe UniversityThe University of OsakaUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiInstitute of Physics, Academia SinicaBelarusian State UniversityTokyo Institute of TechnologyUniversity of TarapacáWaseda UniversityKyushu UniversityUniversität InnsbruckKyoto UniversityUniversity of MilanKTH Royal Institute of TechnologyHong Kong University of Science and TechnologyUniversity of PaviaUniversity of SalentoSapienza University of RomeUniversity of UdineUniversity of Rome Tor VergataUniversity of PisaRoma Tre UniversityUniversity of Hong KongTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversity of TrentoUniversidad Antonio NariñoUniversidad Nacional de ColombiaUniversity of TsukubaLouisiana Tech UniversityNovosibirsk State UniversityThe Abdus Salam International Centre for Theoretical Physics (ICTP)University of SharjahTOBB University of Economics and TechnologyUniversität HamburgKyoto University of EducationUniversity of La SerenaUniversity of CoimbraMoscow Institute of Physics and Technology

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