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Accès ouvert déclaré 2026 article

Measurement of B meson production fraction ratios in proton-proton collisions at s = 13 TeV using open-charm and charmonium decays

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202Institutions déclarées
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Résumé fourni par la source

Production fraction ratios of B + , B 0 , and B s 0 mesons are measured in proton-proton collisions at s = 13 TeV using a special dataset recorded in 2018 with high-rate triggers designed to collect an unbiased sample of 1 0 10 b hadrons with the CMS experiment at the LHC. These data allow the study of the open-charm decays of B mesons ( B ( s ) → π D ( s ) ) where the D meson decays into fully hadronic final states. By utilizing known branching fractions and precise theoretical calculations, production fraction ratios as functions of B meson transverse momentum ( p T ) and rapidity ( y ) are measured using open-charm decays in the kinematic range of 8 < p T < 60 GeV and | y | < 2.25 . In addition, the same dataset is used to measure the relative production fraction ratios with the charmonium decay channels [ B ( s ) → X J / ψ with X indicating a K + , K * ( 892 ) 0 , or ϕ ( 1020 ) meson] where the J / ψ meson decays into a pair of muons. The open-charm results are used to normalize the relative production fraction ratios obtained from the charmonium samples. Measurements of the ratios of branching fractions of B meson decays to charmonium and open-charm final states are also reported, which will improve the world-average values of these ratios. Finally, we test isospin invariance in B

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DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>B</mml:mi> </mml:math> meson production fraction ratios in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msqrt> <mml:mrow> <mml:mi>s</mml:mi> </mml:mrow> </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:mrow> </mml:math> using open-charm and charmonium decays
Date Crossref
06/07/2026
Éditeur
American Physical Society (APS)
Type
journal-article

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Institutions déclarées

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Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of California SystemUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesUniversity of Notre DameGhent University HospitalUCLouvainCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Estadual Paulista (Unesp)Bulgarian Academy of SciencesSofia University "St. Kliment Ohridski"University of TarapacáUniversidad Técnica Federico Santa MaríaBeihang UniversityTsinghua UniversityVanderbilt UniversityMassachusetts Institute of TechnologyPeking UniversityFermi National Accelerator LaboratoryUniversity of FloridaEuropean Organization for Nuclear ResearchDeutsches Elektronen-Synchrotron DESYSouth China Normal UniversityKyung Hee UniversityUniversity of Science and Technology of ChinaNanjing Normal UniversityNational Taiwan UniversityFudan UniversityInstitute of Modern PhysicsZhejiang UniversityUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityNational Polytechnic SchoolUniversidad San Francisco de QuitoAcademy of Scientific Research and TechnologyFayoum UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyUniversité Paris-SaclayLaboratoire Leprince-RinguetUniversité de StrasbourgCentre 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 LyonGeorgian Technical UniversityRWTH Aachen UniversityPurdue University West LafayetteKyungpook National UniversityUniversität HamburgNational Central UniversityInstitute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensNational Technical University of AthensUniversity of IoanninaHUN-REN Wigner Research Centre for PhysicsEötvös Loránd UniversityUniversity of DebrecenHUN-REN Institute for Nuclear ResearchPanjab UniversityTata Institute of Fundamental ResearchUniversity of DelhiUniversity of HyderabadSaha Institute of Nuclear PhysicsCalifornia Institute of TechnologyWayne State UniversityIndian Institute of Science Education and Research MohaliUniversity of Wisconsin–MadisonNational Institute of Science Education and ResearchIndian Institute of Science Education and Research KolkataIndian Institute of Science Education and Research, BhopalIndian Institute of Science Education and Research BerhampurIndian Institute of Science Education and Research, TirupatiUniversity of Puerto Rico SystemIsfahan University of TechnologyInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIUniversity of BasilicataScuola Superiore MeridionaleIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PaviaUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di PisaScuola Normale SuperioreUniversity of SienaIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteSeoul National UniversityHanyang UniversityUniversity of SeoulUniversity of Illinois ChicagoTexas Tech UniversitySejong UniversityChonnam National University HospitalYonsei UniversitySungkyunkwan UniversityAmerican University of the Middle EastKuwait UniversityRiga Technical UniversityUniversity of LatviaVilnius UniversityUniversity of MalayaUniversidad de SonoraInstituto de Estudios AvanzadosInstituto Politécnico NacionalUniversidad de OviedoIbero American UniversityBenemérita Universidad Autónoma de PueblaUniversity of MontenegroUniversity of CanterburyQuaid-i-Azam UniversityJagiellonian UniversityAGH University of KrakowNational 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 CantabriaUniversity of ColomboUniversity of RuhunaETH ZurichInstitute of Particle PhysicsUniversity of ZurichChulalongkorn UniversityTunis El Manar UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityIstanbul UniversityYıldız Technical UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolRutherford Appleton LaboratoryImperial Valley CollegeBrunel University of LondonBaylor UniversityShorter CollegeCatholic University of AmericaBrown UniversityCarnegie Mellon UniversityUniversity of Colorado BoulderUniversity of Colorado SystemCornell UniversityFlorida State UniversityFlorida Institute of TechnologyUniversity of IowaJohns Hopkins UniversityUniversity of KansasKansas State UniversityUniversity of Maryland, College ParkUniversity of Minnesota SystemUniversity of Nebraska–LincolnUniversity at Buffalo, State University of New YorkUniversidad del NoresteThe Ohio State UniversityPrinceton UniversityPurdue University NorthwestRice UniversityUniversity of RochesterRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleMitchell InstituteTexas A&M UniversityUniversity of Virginia

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Sujets associés

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

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