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Accès ouvert déclaré 2024 article

Measurement of beauty-quark production in pp collisions at $$ \sqrt{s} $$ = 13 TeV via non-prompt D mesons

4Citations signalées, ce qui n’est pas une note de qualité
156Institutions déclarées
36Pays d’affiliation déclarés

Rattachement africain : fr, cz, in, ch, it, kr, sk, de, cn, mx, pl, us, no, ro, gb, br, jp, gr, hu, se, pe, dk, at, Afrique du Sud, nl, cu, hr, am, fi, pk, id, th, tr, bg, az, ua. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

A bstract The p T -differential production cross sections of non-prompt D 0 , D + , and $$ {\textrm{D}}_{\textrm{s}}^{+} $$ D s + mesons originating from beauty-hadron decays are measured in proton–proton collisions at a centre-of-mass energy $$ \sqrt{s} $$ s = 13 TeV. The measurements are performed at midrapidity, | y | < 0 . 5, with the data sample collected by ALICE from 2016 to 2018. The results are in agreement with predictions from several perturbative QCD calculations. The fragmentation fraction of beauty quarks to strange mesons divided by the one to non-strange mesons, f s / ( f u + f d ), is found to be 0 . 114 ± 0 . 016 (stat . ) ± 0 . 006 (syst . ) ± 0 . 003 (BR) ± 0 . 003 (extrap . ). This value is compatible with previous measurements at lower centre-of-mass energies and in different collision systems in agreement with the assumption of universality of fragmentation functions. In addition, the dependence of the non-prompt D meson production on the centre-of-mass energy is investigated by comparing the results obtained at $$ \sqrt{s} $$ s = 5 . 02 and 13 TeV, showing a hardening of the non-prompt D-meson p T -differential production cross section at higher $$ \sqrt{s} $$ s . Finally, the $$ \textrm{b}\overline{\textrm{b}} $$ b b ¯ production cross section per unit of rapidity at midrapidity is calculated from the non-prompt D 0 , D + , $$ {\textrm{D}}_{\textrm{s}}^{+} $$ D s + , and $$ {\Lambda}_{\textrm{c}}^{+} $$ Λ c + hadron measurements, obtaining $$ \textrm{d}\sigma /\textrm{d}y=75.2\pm 3.2\left(\textrm{stat}.\right)\pm 5.2{\left(\textrm{syst}.\right)}_{-3.2}^{+12.3}\left(\textrm{extrap}.\right) $$ d σ / d y = 75.2 ± 3.2 stat . ± 5.2 syst . − 3.2 + 12.3 extrap . μb.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of beauty-quark production in pp collisions at $$ \sqrt{s} $$ = 13 TeV via non-prompt D mesons
Date Crossref
15/10/2024
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 ScientifiqueUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesCzech Academy of Sciences, Nuclear Physics InstituteVariable Energy Cyclotron CentreHomi Bhabha National InstituteEuropean Organization for Nuclear ResearchPolitecnico di TorinoAligarh Muslim UniversityKorea Institute of Science & Technology InformationUniversity of Pavol Jozef ŠafárikGoethe University FrankfurtGSI Helmholtz Centre for Heavy Ion ResearchBose InstituteIstituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoJagiellonian UniversityAGH University of KrakowUniversity of HoustonSungkyunkwan UniversityUniversity of BergenIstituto Nazionale di Fisica Nucleare, Sezione di CagliariIstituto Nazionale di Fisica Nucleare, Sezione di BariTechnical University of MunichBenemérita Universidad Autónoma de PueblaHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of DerbyUniversity of MünsterHeidelberg UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaLawrence Berkeley National LaboratoryLaboratoire de Physique Subatomique et des Technologies AssociéesIMT AtlantiqueNantes UniversitéLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesHospital Universitário da Universidade de São PauloUniversity of OsloYale UniversityThe University of TokyoIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National UniversityUniversity of Science and Technology of ChinaIndian Institute of Technology IndoreUniversity of JammuCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversNational and Kapodistrian University of AthensGauhati UniversityHUN-REN Wigner Research Centre for PhysicsUniversity of LiverpoolLund UniversityPusan National UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgSejong UniversityUniversity of California, BerkeleyUniversidad Autónoma de SinaloaInstitute of Space Science - INFLPR SubsidiaryIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiCzech Technical University in PragueThe University of Texas at AustinUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaOak Ridge National LaboratoryUniversity of BresciaPolytechnic University of BariStefan Meyer Institute for Subatomic PhysicsUniversity of the WitwatersrandNational Research FoundationInstitute of Nuclear Physics, Polish Academy of SciencesPolish Academy of SciencesUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiLyon 1 UniversitéInstitut de PhysiqueWarsaw University of TechnologySaha Institute of Nuclear PhysicsUniversidade Estadual de Campinas (UNICAMP)Max Planck Institute for PhysicsInha UniversityNational Institute for Subatomic PhysicsUniversity of TsukubaUniversity of BirminghamLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Universidade Federal do ABCUniversity of California SystemCentro de Aplicaciones Tecnológicas y Desarrollo NuclearUniversity of Cape TownPanjab UniversityComenius University BratislavaHiroshima UniversityUnited Nations University Institute for Sustainability and PeaceUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteSaga UniversityChicago State UniversityUniversity of KansasUniversidade Federal do Rio Grande do SulUniversity of Tennessee SystemUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityFrankfurt Institute for Advanced StudiesUniversity of SplitUtrecht UniversityUniversity of BonnA. Alikhanyan National LaboratoryNational Institute of Science Education and ResearchYonsei UniversityUniversity of JyväskyläWestern Norway University of Applied SciencesCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalThe Ohio State UniversityCOMSATS University IslamabadTechnical University of KošiceSouth Great Plain Regional Innovation AgencyNational Research and Innovation AgencyChina Institute of Atomic EnergySuranaree University of TechnologySlovak Academy of SciencesYıldız Technical UniversityKTO Karatay UniversityUniversity of ZagrebTechnologie- und Förderzentrum im Kompetenzzentrum für Nachwachsende RohstoffeJeonbuk National UniversitySofia University "St. Kliment Ohridski"California Polytechnic State UniversityInstitute of Experimental Physics of the Slovak Academy of SciencesNational Centre for Nuclear ResearchUniversity of South-Eastern NorwayDaresbury LaboratoryFudan UniversityUniversity of MessinaUniversity of FoggiaHelsinki Institute of PhysicsUniversity of TübingenChungbuk National UniversityChina University of GeosciencesCreighton UniversityUniversity of WrocławNational Nuclear Research CenterInstitute of Physics, BhubaneshwarNara Women's UniversityNational Academy of Sciences of UkraineBogolyubov Institute for Theoretical PhysicsNational Agency for New Technologies, Energy and Sustainable Economic Development

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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