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Correlations between azimuthal anisotropy and mean transverse momentum in pp, pPb, and peripheral PbPb collisions

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205Institutions déclarées
49Pays d’affiliation déclarés

Résumé fourni par la source

Correlations between azimuthal anisotropy and mean transverse momentum of charged particles in proton-proton (pp), proton-lead (pPb), and peripheral lead-lead (PbPb) collisions are presented as a function of charged particle multiplicity. The pp, pPb and PbPb collision data were collected using the CMS detector at the LHC with a center-of-mass energy per nucleon pair of 13, 8.16 and 5.02 TeV, respectively. The two- and four-particle cumulants for the second- and third-order Fourier anisotropy harmonics are correlated with the mean transverse momentum of charged particles on an event-by-event basis. In pp and pPb systems, the observed correlation coefficients based on two-particle cumulants are found to change from negative to positive values as the charged particle multiplicity decreases. The sign changes disappear when the correlated particles are required to be further apart in pseudorapidity. Additionally, no sign changes in correlation coefficients are observed when employing four-particle cumulants. Models incorporating initial-state gluon saturation and final-state hydrodynamic evolutions are compared to pPb data and the predicted sign changes are not observed.

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Institutions déclarées

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Alikhanyan National LaboratoryTU WienUniversity of AntwerpEuropean Union of Medical SpecialistsVrije Universiteit BrusselGene Therapy LaboratoryDeutsches Elektronen-Synchrotron DESYUCLouvainUniversidade do Estado do Rio de JaneiroSofie Biosciences (United States)SurgOne Foregut InstituteUniversity of TarapacáBeihang UniversityTsinghua UniversityNanjing Normal UniversityInstitute of High Energy PhysicsFudan UniversityEIA UniversityUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversitySt. Charles HospitalNational Polytechnic SchoolUniversidad San Francisco de QuitoZewail City of Science and TechnologyHelwan UniversityModern AcademyAin Shams UniversityBritish University in EgyptFayoum UniversityNational Institute of Chemical Physics and BiophysicsHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyInstitut de Recherche sur les Lois Fondamentales de l'UniversPurdue University West LafayetteÉcole PolytechniqueUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonIstinye UniversityGeorgian Technical UniversityIlia State UniversityFH AachenRWTH Aachen UniversityErzincan Binali Yıldırım UniversityIsfahan University of TechnologyBrandenburg University of Applied SciencesForschungszentrum JülichKarlsruhe Institute of TechnologyDemocritus University of ThraceAthens State UniversityNTL Institute for Applied Behavioral ScienceAbiola Ajimobi Technical University IbadanUniversity of IoanninaUniversity of DebrecenInstitute for Particle and Nuclear PhysicsEötvös Loránd UniversityPanjab UniversityUniversity of DelhiVisva-Bharati UniversityIndian Institute of Technology MadrasIndian Institute of Management BangaloreIndian Institute of Science BangaloreTata Institute of Fundamental ResearchNational Institute of Science Education and ResearchIndian Institute of Technology BhubaneswarInstitute of Physics, BhubaneshwarIndian Institute of Science Education and Research PuneSharif University of TechnologyUniversity of Science and Technology of MazandaranUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaFlorence (Netherlands)Frascati ScienzaMarconi UniversityLaboratori Guglielmo Marconi (Italy)Genoa (Brazil)Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaNaples Anesthesia & Physician AssociatesFermi National Accelerator LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PisaScuola Normale SuperioreIstituto Nazionale di Fisica Nucleare, Sezione di Roma IIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinIstituto Nazionale di Fisica Nucleare, Sezione di TriesteChonnam National UniversityChonnam National University HospitalHanyang UniversityKyung Hee UniversitySejong UniversityUniversity of SeoulYonsei UniversitySungkyunkwan UniversityRiga High Tech UniversityVilnius UniversityVilnius University of Applied SciencesMalayan Colleges LagunaUniversity of MalayaUniversitas MalahayatiUniversidad de SonoraCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalSecretaría de Ciencia, Humanidades, Tecnología e InnovaciónIbero American UniversityUniversidad IberoamericanaUniversidad de PueblaUniversity of MontenegroQuaid-i-Azam UniversityAGH University of KrakowNational Centre for Nuclear ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsIpca Laboratories (India)University of BelgradeGrade Medical (Czechia)Vienna Institute for Nature Conservation & AnalysesUnidades Centrales Científico-TécnicasCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de OviedoInstituto de Física de CantabriaUniversity of ColomboUniversity of RuhunaETH ZurichStefan Meyer Institute for Subatomic PhysicsNational Central UniversityLaboratoire d’Annecy de Physique des ParticulesNational Taiwan UniversityChulalongkorn UniversityCukurova UniversityAdıyaman UniversityMiddle East Technical UniversityNecmettin Erbakan UniversityBoğaziçi UniversityMarmara UniversityKafkas UniversityIstanbul Technical UniversityÖzyeğin UniversityInstitute for Scintillation MaterialsAt BristolUniversity of BristolBristol HospitalSaint Thomas - Rutherford HospitalUniversity of SouthamptonBrunel University of LondonUniversidad de AméricaUniversity of AlabamaUniversity of West AlabamaBoston UniversityBrown UniversityBethel CollegeBethel UniversityShorter CollegeBethel UniversityKaramanoğlu Mehmetbey UniversityUniversity of California, DavisUniversity of California, RiversideUniversity of California San DiegoUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityUniversity of Colorado SystemCornell UniversityUnited States Naval AcademyFlorida Department of StateFlorida Institute of TechnologyUniversity of ChicagoBingöl UniversitySinop UniversityJohns Hopkins UniversityJohns Hopkins University School of Advanced International StudiesUniversity of KansasLawrence Livermore National SecurityUniversity of Minnesota SystemUniversity of MississippiUniversity of Nebraska–LincolnUniversity of Nebraska SystemBuffalo State UniversityUniversity at Buffalo, State University of New YorkNorthwestern UniversityNotre Dame of Dadiangas UniversityState Library of OhioUniversity of Puerto Rico-MayaguezPurdue University NorthwestRice UniversityUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyRutgers Sexual and Reproductive Health and RightsUniversity of Tennessee SystemTexas A&M University at QatarTexas Tech UniversityVanderbilt HealthUrology of VirginiaWayne State CollegeUniversity of Wisconsin System

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Sujets associés

High-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsParticle physics theoretical and experimental studies

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