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Measurement of the Lund jet plane in hadronic decays of top quarks and W bosons with the ATLAS detector

1Citations signalées — pas une note de qualité
239Institutions déclarées
44Pays d’affiliation déclarés

Résumé fourni par la source

Abstract The Lund jet plane (LJP) is measured for the first time in $$t\bar{t}$$ t t ¯ events, using 140 $$\textrm{fb}^{-1}$$ fb - 1 of $$\sqrt{s} = 13$$ s = 13 TeV pp collision data collected with the ATLAS detector at the LHC. The LJP is a two-dimensional observable of the sub-structure of hadronic jets that acts as a proxy for the kinematics of parton showers and hadron formation. The observable is constructed from charged particles and is measured for $$R=1.0$$ R = 1.0 anti- $$k_t$$ k t jets with transverse momentum above 350 GeV containing the full decay products of either a top quark or a daughter W boson. The other top quark in the event is identified from its decay into a b -quark, an electron or a muon and a neutrino. The measurement is corrected for detector effects and compared with a range of Monte Carlo predictions sensitive to different aspects of the hadronic decays of the heavy particles. In the W -boson-initiated jets, all the predictions are incompatible with the measurement. In the top quark initiated jets, disagreement with all predictions is observed in smaller subregions of the plane, and with a subset of the predictions across the fiducial plane. The measurement could be used to improve the tuning of Monte Carlo generators, for better modelling of hadronic decays of heavy quarks and bosons, or to improve the performance of jet taggers.

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of the Lund jet plane in hadronic decays of top quarks and W bosons with the ATLAS detector
Date Crossref
14/04/2025
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 ScientifiqueInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of BergenUniversity of OklahomaNew York UniversityUniversity of GöttingenTU Dortmund UniversityBrookhaven National LaboratorySouthern Methodist UniversityMohammed V UniversityTel Aviv UniversityTechnion – Israel Institute of TechnologyKing's College LondonIstituto Nazionale di Fisica Nucleare, Sezione di TriesteHeidelberg UniversityBrandeis 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 ResearchAzerbaijan National Academy of SciencesMcGill 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 polytechnique de GrenobleUniversité 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-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 PhysicsHigh Energy Accelerator Research OrganizationUniversity of OsloUniversity of SheffieldThe University of Texas at AustinStockholm UniversityUniversity of MilanNational and Kapodistrian University of AthensLawrence Livermore National LaboratoryIstituto 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 FreiburgSapienza University of RomeNagoya UniversityBunkyo 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 SciencesAristotle University of ThessalonikiCarleton 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 LaboratoryInstituto de Óptica "Daza de Valdés"University of Science and Technology of ChinaUniversity of OxfordUniversity College LondonChinese Academy of SciencesAn-Najah National UniversityUniversity of British ColumbiaUniversity of GlasgowUniversity of SiegenUniversidad de Buenos AiresFundación Ciencias Exactas y NaturalesTufts UniversityUniversity of BernUniversity of FribourgUniversidade do Estado do Rio de JaneiroHarvard University PressUppsala UniversityLawrence Berkeley National LaboratoryTechnische Universität DresdenUniversity of WürzburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreGaziantep UniversityWeizmann Institute of ScienceUniversity of CalabriaUniversité Clermont AuvergneThe Ohio State UniversityUniversity of WuppertalMichigan State UniversitySimon Fraser UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesNanjing UniversityAnkara UniversityIndiana UniversityUniversity of PisaUniversity of CopenhagenWestmont CollegeRadboud University NijmegenUniversitat Autònoma de BarcelonaUniversity of MinhoUniversity of SalentoIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversidade Federal de Juiz de ForaTbilisi State UniversityArgonne National LaboratoryCPC Heilongjiang Provincial Committee Party SchoolCollaborative Innovation Center of Quantum MatterTsinghua UniversityChinese University of Hong KongUniversity of ArizonaNational Tsing Hua UniversityUniversity of LjubljanaUniversity of UdineUniversity of LisbonParthenope University of NaplesInstitute of Particle PhysicsUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsAcademia SinicaRoma Tre UniversityPontificia Universidad Católica de ChileMillennium InstituteUniversity of BucharestUniversité Ibn-TofailLouisiana Tech UniversityShandong UniversityThe University of AdelaideCity University of New YorkUniversity of CoimbraUniversity of the Philippines DilimanUniversity of the AegeanUniversidade Federal da BahiaUniversity of SharjahUniversity of the WitwatersrandUniversity of IowaNational Centre of Scientific Research "Demokritos"Jagiellonian UniversityUniversity of AlbertaCentro Ricerche Enrico FermiWest University of TimişoaraInstitució Catalana de Recerca i Estudis AvançatsUniversity of TsukubaŌtani UniversityTechnical University of MunichThe University of OsakaNational University of Science and TechnologyUniversity of Hong KongIlia State UniversityUniversity of TarapacáYork UniversityKyoto UniversityIowa State UniversityUniversidad Andrés BelloKobe UniversityHellenic Open UniversityUniversidade de São PauloKTH Royal Institute of TechnologyInstitute for High Energy PhysicsHong Kong University of Science and TechnologySun Yat-sen UniversityCentro Nacional de MicroelectrónicaInstitut de Microelectrònica de BarcelonaPremier UniversityUniversidad Antonio NariñoThe University of SydneyUniversität HamburgKyushu UniversityTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversidad Nacional de ColombiaBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergyWashington CollegeUniversity of La SerenaTOBB University of Economics and TechnologyStanford UniversityMongolian Academy of SciencesUniversity of California System

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Particle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsHigh-Energy Particle Collisions Research

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