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Accès ouvert déclaré 2018 article

Study of ϒ production in pPb collisions at √sNN = 8.16 TeV

31Citations signalées, ce qui n’est pas une note de qualité
106Institutions déclarées
17Pays d’affiliation déclarés

Rattachement africain : nl, ch, es, gb, us, fr, it, de, ru, br, pl, cn, ro, ua, Algérie, ie, co. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Abstract: The production of Υ(nS) mesons (n = 1, 2, 3) in pPb and Pbp collisions at a centre-of-mass energy per nucleon pair √ sNN = 8.16 TeV is measured by the LHCb experiment, using a data sample corresponding to an integrated luminosity of 31.8 nb−1 . The Υ(nS) mesons are reconstructed through their decays into two opposite-sign muons. The measurements comprise the differential production cross-sections of the Υ(1S) and Υ(2S) states, their forward-to-backward ratios and nuclear modification factors. The measurements are performed as a function of the transverse momentum pT and rapidity in the nucleon-nucleon centre-of-mass frame y ∗ of the Υ(nS) states, in the kinematic range pT < 25 GeV/c and 1.5 < y∗ < 4.0 (−5.0 < y∗ < −2.5) for pPb (Pbp) collisions. In addition, production cross-sections for Υ(3S) are measured integrated over phase space and the production ratios between all three Υ(nS) states are determined. Suppression for bottomonium in proton-lead collisions is observed, which is particularly visible in the ratios. The results are compared to theoretical models.

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Les institutions déclarées

National Institute for Subatomic PhysicsUniversity of ZurichUniversidade de Santiago de CompostelaUniversity of BristolUniversity of MichiganCentre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesClermont UniversitéUniversity of CincinnatiIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiTU Dortmund UniversityEuropean Organization for Nuclear ResearchUniversity of GlasgowUniversitat de BarcelonaPetersburg Nuclear Physics InstituteImperial College LondonUniversidade Federal do Rio de JaneiroIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversité Paris-SudUniversité Paris-SaclayIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeÉcole Polytechnique Fédérale de LausanneIstituto Nazionale di Fisica Nucleare, Sezione di FerraraUniversity of Maryland, College ParkUniversity of ManchesterHeidelberg UniversityAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitute for High Energy PhysicsSyracuse UniversityYandex School of Data AnalysisIstituto Nazionale di Fisica Nucleare, Sezione di CagliariUniversity of WarwickIstituto Nazionale di Fisica Nucleare, Sezione di GenovaNational University of Science and TechnologyNational Centre for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di PisaCentro Brasileiro de Pesquisas FísicasUniversity of Chinese Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaInstitute for Theoretical and Experimental PhysicsDélégation Paris 7Université Paris CitéSorbonne UniversitéSorbonne Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesRWTH Aachen UniversityLomonosov Moscow State UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of CambridgeInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of BirminghamUniversity of OxfordIstituto Nazionale di Fisica Nucleare, Sezione di Roma IMassachusetts Institute of TechnologyUniversity of LiverpoolWuhan UniversityIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversity of EdinburghUniversité Savoie Mont BlancUniversité Grenoble AlpesTsinghua UniversityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringLos Alamos National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di BariMax Planck Institute for Nuclear PhysicsAGH University of KrakowCentral China Normal UniversityKharkiv Institute of Physics and TechnologyRutherford Appleton LaboratorySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsInstitute for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversitat de ValènciaInstituto de Física CorpuscularUniversity of RostockPontifícia Universidade Católica do Rio de JaneiroUniversity Frères Mentouri Constantine 1Institute for Nuclear ResearchKurchatov InstituteSouth China Normal UniversityUniversity College DublinUniversidad Nacional de ColombiaUniversity of GroningenNational Research Tomsk State UniversityTomsk Polytechnic UniversityUniversity of FerraraUniversity of BolognaUniversity of GenoaMax Planck SocietyUniversity of PisaUniversity of CagliariUniversity of Rome Tor VergataSapienza University of RomeUniversity of BasilicataNovosibirsk State UniversityUniversity of PaduaUniversity of Bari Aldo MoroUniversity of MilanUniversity of UrbinoUniversitat Ramon LlullInstitute of High Energy PhysicsP.N. Lebedev Physical Institute of the Russian Academy of SciencesShaanxi Normal University

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

Les sujets associés

High-Energy Particle Collisions ResearchParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle Interactions

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