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System size and energy dependence of the mean transverse momentum fluctuations at the LHC

4Citations signalées, ce qui n’est pas une note de qualité
138Institutions déclarées
35Pays d’affiliation déclarés

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

Le résumé fourni par la source

Abstract Event-by-event fluctuations of the event-wise mean transverse momentum, $$\langle p_{\textrm{T}}\rangle $$ ⟨ p T ⟩ , of charged particles produced in proton–proton (pp) collisions at $$\sqrt{s}$$ s = 5.02 TeV, Xe–Xe collisions at $$\sqrt{s_{\textrm{NN}}}$$ s NN = 5.44 TeV, and Pb–Pb collisions at $$\sqrt{s_{\textrm{NN}}}$$ s NN = 5.02 TeV are studied using the ALICE detector based on the integral correlator $$\langle \!\langle \Delta p_\textrm{T}\Delta p_\textrm{T}\rangle \!\rangle $$ ⟨ ⟨ Δ p T Δ p T ⟩ ⟩ . The correlator strength is found to decrease monotonically with increasing produced charged-particle multiplicity measured at midrapidity in all three systems. In Xe–Xe and Pb–Pb collisions, the multiplicity dependence of the correlator deviates significantly from a simple power-law scaling as well as from the predictions of the HIJING and AMPT models. The observed deviation from power-law scaling is expected from transverse radial flow in semicentral to central Xe–Xe and Pb–Pb collisions. In pp collisions, the correlation strength is also studied by classifying the events based on the transverse spherocity, $$S_0$$ S 0 , of the particle production at midrapidity, used as a proxy for the presence of a pronounced back-to-back jet topology. Low-spherocity (jetty) events feature a larger correlation strength than those with high spherocity (isotropic). The strength and multiplicity dependence of jetty and isotropic events are well reproduced by calculations with the PYTHIA 8 and EPOS LHC models.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
System size and energy dependence of the mean transverse momentum fluctuations at the LHC
Date Crossref
16/07/2025
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

Université Clermont AuvergneVariable 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 ResearchIstituto 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 DerbyMax Planck Institute for Nuclear PhysicsHeidelberg UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaLawrence Berkeley National LaboratoryNantes UniversitéUniversité 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 JammuUniversité Paris-SaclayNational and Kapodistrian University of AthensGauhati UniversityHUN-REN Wigner Research Centre for PhysicsUniversity of LiverpoolLund UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenUniversité de StrasbourgUniversidad Autónoma de SinaloaInstitute of Space Science - INFLPR SubsidiaryCzech Technical University in PragueCzech Academy of Sciences, Nuclear Physics InstituteBose InstituteThe University of Texas at AustinOak Ridge National LaboratoryPusan National UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of BresciaPolytechnic University of BariSofia University "St. Kliment Ohridski"Daresbury LaboratoryStefan 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 BucureștiUniversité de LyonWarsaw University of TechnologyFudan UniversityMax Planck Institute for PhysicsInha UniversitySaha Institute of Nuclear PhysicsNational Institute for Subatomic PhysicsUniversity of TsukubaNational Agency for New Technologies, Energy and Sustainable Economic DevelopmentUniversity of BirminghamUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Universidade Federal do ABCUniversity of PaviaUniversity of California SystemUniversity of California, BerkeleyUniversity of FoggiaCentro de Aplicaciones Tecnológicas y Desarrollo NuclearComenius University BratislavaHiroshima UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteSaga UniversityNational Institute of Science Education and ResearchChicago State UniversityUniversity of KansasUniversidade Federal do Rio Grande do SulUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityUniversity of SplitUtrecht UniversityA. Alikhanyan National LaboratoryUniversidade Estadual de Campinas (UNICAMP)Yonsei UniversityUniversity of JyväskyläUniversity of BonnCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalGesellschaft Fur Mathematik Und DatenverarbeitungThe Ohio State UniversityTechnical University of KošiceSouth Great Plain Regional Innovation AgencyNational Nuclear Energy Agency of IndonesiaNational Research and Innovation AgencyChina Institute of Atomic EnergySuranaree University of TechnologySlovak Academy of SciencesYıldız Technical UniversityUniversity of ZagrebJeonbuk National UniversitySejong UniversityCalifornia Polytechnic State UniversityPanjab UniversityNational Centre for Nuclear ResearchUniversity of South-Eastern NorwayUniversity of MessinaHelsinki Institute of PhysicsUniversity of Cape TownChungbuk National UniversityChina University of GeosciencesCreighton UniversityUniversity of WrocławNational Nuclear Research CenterInstitute of Physics, BhubaneshwarUniversity of TübingenNara Women's UniversityNational Academy of Sciences of UkraineBogolyubov Institute for Theoretical Physics

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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