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Accès ouvert déclaré 2023 article

Measurement of Υ production in pp collisions at $$ \sqrt{s} $$ = 5 TeV

3Citations signalées — pas une note de qualité
100Institutions déclarées
18Pays d’affiliation déclarés

Résumé fourni par la source

Abstract The production cross-sections of Υ mesons, namely Υ(1S), Υ(2S) and Υ(3S), in pp collisions at $$ \sqrt{s} $$ s = 5 TeV are measured with a data sample corresponding to an integrated luminosity of 9.13 ± 0.18 pb−1 collected by the LHCb detector. The Υ mesons are reconstructed in the decay mode Υ → μ+μ−. Double differential cross-sections times branching fractions, as functions of the transverse momentum pT and the rapidity y of the Υ mesons, are measured in the range pT< 20 GeV/c and 2.0 < y < 4.5. The results integrated over these pT and y ranges are $$ \sigma \left(\textrm{Y}(1S)\right)\times \mathcal{B}\left(\textrm{Y}(1S)\to {\mu}^{+}{\mu}^{-}\right)=2101\pm 33\pm 83\ \textrm{pb}, $$$$ \sigma \left(\textrm{Y}(2S)\right)\times \mathcal{B}\left(\textrm{Y}(2S)\to {\mu}^{+}{\mu}^{-}\right)=526\pm 20\pm 21\ \textrm{pb}, $$$$ \sigma \left(\textrm{Y}(3S)\right)\times \mathcal{B}\left(\textrm{Y}(3S)\to {\mu}^{+}{\mu}^{-}\right)=242\pm 16\pm 10\ \textrm{pb}, $$ σ Υ 1 S × B Υ 1 S → μ + μ − = 2101 ± 33 ± 83 pb , σ Υ 2 S × B Υ 2 S → μ + μ − = 526 ± 20 ± 21 pb , σ Υ 3 S × B Υ 3 S → μ + μ − = 242 ± 16 ± 10 pb , where the first uncertainties are statistical and the second are systematic. The ratios of cross-sections between measurements of two different Υ states and between measurements at different centre-of-mass energies are determined. The nuclear modification factor of Υ(1S) at $$ \sqrt{s} $$ s = 5 TeV is updated as well using the directly measured cross-section results from this analysis.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of Υ production in pp collisions at $$ \sqrt{s} $$ = 5 TeV
Date Crossref
07/07/2023
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

National Institute for Subatomic PhysicsUniversity of WarwickUniversity of ZurichUniversity of LiverpoolUniversidade de Santiago de CompostelaUniversity of BristolUppsala UniversityCentre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesDélégation Paris 7Université Paris CitéSorbonne UniversitéSorbonne Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesUniversity of MichiganUniversity of CincinnatiIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiTU Dortmund UniversityEuropean Organization for Nuclear ResearchUniversity of GlasgowUniversitat de BarcelonaUniversity of ManchesterUniversity of CambridgeUniversidade Federal do Rio de JaneiroUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieTsinghua UniversityIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Sezione di FerraraSyracuse UniversityInstitute of High Energy PhysicsHeidelberg UniversityAix-Marseille UniversitéCentre de physique des particules de MarseilleÉcole PolytechniqueLaboratoire Leprince-RinguetUniversité Savoie Mont BlancÉcole Polytechnique Fédérale de LausanneCentro Brasileiro de Pesquisas FísicasUniversity of EdinburghUniversity of Chinese Academy of SciencesRWTH Aachen UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PisaPeking UniversityState Key Laboratory of Nuclear Physics and TechnologyUniversitat Ramon LlullUniversity of PaduaInstitute of Nuclear Physics, Polish Academy of SciencesWuhan UniversityImperial College LondonMaastricht UniversityUniversity of Maryland, College ParkIstituto Nazionale di Fisica Nucleare, Sezione di CagliariSouth China Normal UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of OxfordInstitute for Nuclear ResearchHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of BirminghamLos Alamos National LaboratoryHunan UniversityUniversity of GroningenMassachusetts Institute of TechnologyEötvös Loránd UniversityUniversity College DublinCracow University of TechnologyIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaRutherford Appleton LaboratoryMonash UniversityAGH University of KrakowIstituto Nazionale di Fisica Nucleare, Sezione di MilanoCentral China Normal UniversityNational Centre for Nuclear ResearchPontifícia Universidade Católica do Rio de JaneiroUniversity of BonnUniversitat de ValènciaInstituto de Física CorpuscularKharkiv Institute of Physics and TechnologyCentral South UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversidad Nacional de ColombiaUniversity of FerraraUniversity of Bari Aldo MoroUniversity of BolognaUniversity of GenoaUniversity of PisaScuola Normale SuperioreUniversity of CagliariUniversity of Rome Tor VergataUniversity of BasilicataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataMax Planck Institute for Nuclear PhysicsUniversity of Milano-BicoccaUniversity of MilanUniversidad de AlcaláUniversity of Urbino

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Sujets associés

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

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