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Search for pair production of heavy particles decaying to a top quark and a gluon in the lepton+jets final state in proton–proton collisions at $$\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $$

3Citations signalées, ce qui n’est pas une note de qualité
280Institutions déclarées
55Pays d’affiliation déclarés

Rattachement africain : am, at, in, us, be, br, ve, mx, bg, cl, cn, pr, ch, de, tw, co, hr, cy, cz, ec, Égypte, ee, fi, fr, tr, ge, kr, gr, hu, ro, ae, ir, ie, it, jp, lv, my, kw, lt, me, nz, pk, pl, pt, rs, es, lk, ca, th, Tunisie, ua, gb, au, qa, uz. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Abstract A search is presented for the pair production of new heavy resonances, each decaying into a top quark (t) or antiquark and a gluon (g). The analysis uses data recorded with the CMS detector from proton–proton collisions at a center-of-mass energy of 13 $$\,\text {Te}\hspace{-.08em}\text {V}$$ Te V at the LHC, corresponding to an integrated luminosity of 138 $$\,\text {fb}^{-1}$$ fb - 1 . Events with one muon or electron, multiple jets, and missing transverse momentum are selected. After using a deep neural network to enrich the data sample with signal-like events, distributions in the scalar sum of the transverse momenta of all reconstructed objects are analyzed in the search for a signal. No significant deviations from the standard model prediction are found. Upper limits at 95% confidence level are set on the product of cross section and branching fraction squared for the pair production of excited top quarks in the $$\text {t}^{*} \rightarrow {\text {t}} {\text {g}} $$ t ∗ → tg decay channel. The upper limits range from 120 to 0.8 $$\,\text {fb}$$ fb for a $$\text {t}^{*} $$ t ∗ with spin-1/2 and from 15 to 1.0 $$\,\text {fb}$$ fb for a $$\text {t}^{*} $$ t ∗ with spin-3/2. These correspond to mass exclusion limits up to 1050 and 1700 $$\,\text {Ge}\hspace{-.08em}\text {V}$$ Ge V for spin-1/2 and spin-3/2 $$\text {t}^{*} $$ t ∗ particles, respectively. These are the most stringent limits to date on the existence of $$\text {t}^{*} \rightarrow {\text {t}} {\text {g}} $$ t ∗ → tg resonances.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for pair production of heavy particles decaying to a top quark and a gluon in the lepton+jets final state in proton–proton collisions at $$\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $$
Date Crossref
25/03/2025
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 il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

A. Alikhanyan National LaboratoryYerevan State UniversityInstitute of High Energy PhysicsIndian Institute of Technology MadrasTU WienUniversity of California, Santa BarbaraUniversity of AntwerpVrije Universiteit BrusselGhent University HospitalUniversité Libre de BruxellesUniversity of Notre DameUCLouvainTata Institute of Fundamental ResearchCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroInstituto de Estudios AvanzadosInstituto Politécnico NacionalUniversidade Estadual de Campinas (UNICAMP)Universidade Federal do Rio Grande do SulUniversidade Federal do ABCBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"University of TarapacáBeihang UniversityTsinghua UniversityInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesPeking UniversityChina Center of Advanced Science and TechnologyUniversity of Puerto Rico SystemChina Spallation Neutron SourceUniversity of Puerto Rico-MayaguezCalifornia Institute of TechnologyUniversity of FloridaEuropean Organization for Nuclear ResearchMassachusetts Institute of TechnologyDeutsches Elektronen-Synchrotron DESYSouth China Normal UniversitySun Yat-sen UniversityUniversity of Science and Technology of ChinaNanjing Normal UniversityHenan Normal UniversityUniversity of Shanghai for Science and TechnologyUniversity of IowaFudan UniversityInstitute of Modern PhysicsFlorida State UniversityZhejiang UniversityNational Taiwan UniversityHangzhou Academy of Agricultural SciencesUniversidad de Los AndesUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityNational Polytechnic SchoolUniversidad San Francisco de QuitoCairo UniversityAcademy of Scientific Research and TechnologySuez UniversityBritish University in EgyptFayoum UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyUniversité Paris-SaclayPurdue University West LafayetteCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetInstitut Polytechnique de ParisUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonIstinye UniversityGeorgian Technical UniversityRWTH Aachen UniversityUniversity of California San DiegoUniversidade do Estado do AmazonasUniversität HamburgUniversity of WuppertalBrandenburg University of Technology Cottbus-SenftenbergForschungszentrum JülichKyungpook National UniversityNational Central UniversityKarlsruhe Institute of TechnologyNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensNational Technical University of AthensUniversity of IoanninaHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchBabeș-Bolyai UniversityEötvös Loránd UniversityAssiut UniversityUniversity of DebrecenKároly Róbert University CollegePanjab UniversityPunjab Agricultural UniversityUniversity of DelhiSaha Institute of Nuclear PhysicsVisva-Bharati UniversityWayne State UniversityAmity UniversityIndian Institute of Science Education and Research PuneUniversity of Wisconsin–MadisonNational Institute of Science Education and ResearchHomi Bhabha National InstituteIndian Institute of Technology BhubaneswarInstitute of Physics, BhubaneshwarUniversity of HyderabadIndian Institute of Science Education and Research KolkataIndian Institute of Science Education and Research MohaliIndian Institute of Science Education and Research, BhopalIndian Institute of Science Education and Research BerhampurIndian Institute of Science Education and Research, TirupatiIsfahan University of TechnologySharif University of TechnologyInstitute for Research in Fundamental SciencesUniversity of Science and Technology of MazandaranArak UniversityUniversity College DublinPolytechnic University of BariHelwan UniversityUniversity of BolognaUniversity of PerugiaUniversity of CataniaCentro Siciliano di Fisica Nucleare e di Struttura della MateriaUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiMarconi UniversityUniversity of GenoaUniversity of Milano-BicoccaScuola Superiore MeridionaleUniversity of Naples Federico IIUniversity of TrentoFermi National Accelerator LaboratoryIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroUniversity of PaviaIstituto Officina dei MaterialiUniversity of SienaSapienza University of RomeIbero American UniversityUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteSeoul National UniversitySungkyunkwan UniversityTexas Tech UniversitySejong UniversityGangneung–Wonju National UniversityChonnam National UniversityKavli Institute for the Physics and Mathematics of the UniverseHanyang UniversityMitchell InstituteTexas A&M UniversityKorea UniversityUniversity of Illinois ChicagoKyung Hee UniversityUniversity of SeoulRiga Technical UniversityYonsei UniversityUniversity of MalayaAmerican University of the Middle EastKuwait UniversityUniversity of LatviaVilnius UniversityNational University of MalaysiaUniversidad de SonoraCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalBenemérita Universidad Autónoma de PueblaUniversity of MontenegroUniversity of CanterburyAbdus Salam Centre for PhysicsJagiellonian UniversityAGH University of KrakowQuaid-i-Azam UniversityNational Centre for Nuclear ResearchUniversity of WarsawWarsaw University of TechnologyLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BelgradeCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversity of AlabamaUniversidad Autónoma de MadridUniversidad de OviedoUniversidad de CantabriaUniversity of ColomboUniversity of RuhunaÉcole Polytechnique Fédérale de LausanneUniversity of ViennaUniversity of ZurichPaul Scherrer InstituteETH ZurichInstitute of Particle PhysicsStefan Meyer Institute for Subatomic PhysicsLaboratoire d’Annecy de Physique des ParticulesIndian Institute of Science BangaloreChulalongkorn UniversityTunis El Manar UniversityCukurova UniversityNear East UniversityKonya Technical UniversityIzmir UniversityBakırçay ÜniversitesiAdıyaman UniversityMiddle East Technical UniversityYozgat Bozok ÜniversitesiBoğaziçi UniversityMarmara UniversityMilli Savunma ÜniversitesiKafkas UniversityIstanbul Technical UniversityOkan UniversityHacettepe UniversityErzincan Binali Yıldırım UniversityIstanbul UniversityIstanbul University-CerrahpaşaYıldız Technical UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolRutherford Appleton LaboratoryUniversity of SouthamptonImperial College LondonDurham UniversityImperial Valley CollegeMonash UniversityBrunel University of LondonBaylor UniversityUniversity of AmericaCatholic University of AmericaUniversity of TurinBrown UniversityShorter CollegeKaramanoğlu Mehmetbey UniversityUniversity of California, DavisUniversity of California, Los AngelesUniversity of California SystemUniversity of California, RiversideCarnegie Mellon UniversityUniversity of Colorado BoulderUniversity of Colorado SystemCornell UniversityUnited States Naval AcademyFlorida Institute of TechnologyAin Shams UniversityBingöl UniversitySinop UniversityErciyes UniversityJohns Hopkins UniversityUniversity of KansasHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicKansas State UniversityUniversity of Maryland, College ParkVanderbilt UniversityUniversity of MinnesotaUniversity of Nebraska–LincolnUniversity of Minnesota SystemUniversity at Buffalo, State University of New YorkNortheastern UniversityUniversidad del NoresteNorthwestern UniversityPrinceton UniversityThe Ohio State UniversityRice UniversityPurdue University NorthwestUniversity of RochesterRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleTexas A&M University at QatarUniversity of VirginiaAcademy of Sciences Republic of Uzbekistan

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Les sujets associés

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

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