Measurement of correlations among net-charge, net-proton, and net-kaon multiplicity distributions in Pb-Pb collisions at $$\sqrt{s_{NN}}$$ = 5.02 TeV
- Istituto Nazionale di Fisica Nucleare (INFN), Bari (Italy). Sezione di Bari; The ALICE collaboration; et al.
- Variable Energy Cyclotron Centre, Homi Bhabha National Institute
- European Organization for Nuclear Research (CERN)
- Dipartimento di Fisica dell’Università and Sezione INFN
- Dipartimento DISAT del Politecnico and Sezione INFN
- Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN
- Aligarh Muslim University
- Korea Institute of Science and Technology Information
- P.J. Šafárik University
- Johann Wolfgang Goethe-Universität Frankfurt
- GSI Helmholtzzentrum für Schwerionenforschung GmbH
- INFN, Sezione di Torino
- Central China Normal University
- Universidad Nacional Autónoma de México
- University of Houston
- Sungkyunkwan University
- University of Bergen
- INFN, Sezione di Bari
- Technische Universität München
- Universidad Autónoma de Puebla
- Horia Hulubei National Institute of Physics and Nuclear Engineering
- University of Derby
- Universität Münster, Institut für Kernphysik
- Ruprecht-Karls-Universität Heidelberg
- INFN, Sezione di Padova
- INFN, Sezione di Bologna
- Lawrence Berkeley National Laboratory
- Laboratoire de Physique Subatomique et de CosmologieUniversité Grenoble-Alpes, CNRS-IN2P3
- Universidade de São Paulo (USP)
- University of Oslo
- Yale University
- University of Tokyo
- INFN, Sezione di Catania
- Gangneung-Wonju National University
- University of Science and Technology of China
- Indian Institute of Technology Indore
- University of Jammu
- Université Paris-Saclay, Centre d’Etudes de Saclay (CEA), IRFU, Départment de Physique Nucléaire (DPhN)
- AGH University of Krakow
- University of Kansas
- Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN
- National and Kapodistrian University of Athens, School of Science, Department of Physics
- Gauhati University, Department of Physics
- HUN-REN Wigner Research Centre for Physics
- SUBATECH, IMT Atlantique, Nantes Université, CNRS-IN2P3
- Université Clermont Auvergne, CNRS/IN2P3, LPC
- Lund University Department of Physics, Division of Particle Physics
- Indian Institute of Technology Bombay (IIT)
- Pontificia Universidad Católica del Perú
- University of Copenhagen
- Université de Strasbourg, CNRS, IPHC UMR 7178
- Universidad Autónoma de Sinaloa
- Czech Technical University in Prague
- Nuclear Physics Institute of the Czech Academy of Sciences
- Bose Institute, Department of Physics and Centre for Astroparticle Physics and Space Science (CAPSS)
- Oak Ridge National Laboratory
- Pusan National University
- INFN, Sezione di Pavia; Università di Brescia
- Institute of Space Science (ISS)
- Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN; Politecnico di Bari and Sezione INFN
- Sofia University
- Nuclear Physics Group, STFC Daresbury Laboratory
- Stefan Meyer Institut für Subatomare Physik (SMI)
- iThemba LABS, National Research Foundation; University of the Witwatersrand
- Polish Academy of Sciences
- Dipartimento di Fisica ‘E.R. Caianiello’ dell’Università and Gruppo Collegato INFN
- Universitatea Nationala de Stiinta si Tehnologie Politehnica Bucuresti
- Warsaw University of Technology
- University of Liverpool
- Fudan University
- Université de Lyon, CNRS/IN2P3, Institut de Physique des 2 Infinis de Lyon
- Technische Universität München; Max-Planck-Institut fur Physik
- Inha University
- Homi Bhabha National Institute
- Nikhef, National institute for subatomic physics
- University of Tsukuba
- INFN, Sezione di Cagliari
- INFN, Sezione di Bologna; Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA)
- University of Birmingham
- Université Paris-Saclay, CNRS/IN2P3, IJCLab
- INFN, Sezione di Torino; Università del Piemonte Orientale
- Universidade Federal do ABC
- Università di Pavia
- Università di Brescia
- University of California
- Universidade de São Paulo (USP); Instituto de Fisica da Universidade de Sao Paulo
- Università degli Studi di Foggia
- Comenius University Bratislava, Faculty of Mathematics, Physics and Informatics
- Hiroshima University
- INFN, Laboratori Nazionali di Frascati
- INFN, Sezione di Torino; Dipartimento DET del Politecnico di Torino
- The University of Texas at Austin
- iThemba LABS, National Research Foundation
- INFN, Sezione di Trieste
- Saga University
- National Institute of Science Education and Research, Homi Bhabha National Institute
- Chicago State University
- Universidade Federal do Rio Grande do Sul (UFRGS)
- INFN, Sezione di Torino; GSI Helmholtzzentrum für Schwerionenforschung GmbH
- University of Tennessee
- Wayne State University
- University of Split
- Utrecht University/Nikhef
- A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation
- China Institute of Atomic Energy
- Nagasaki Institute of Applied Science
- Yonsei University
- University of Jyväskylä
- Rheinische Friedrich-Wilhelms-Universität Bonn
- Faculty of Technology, Environmental and Social Sciences
- Centro de Investigación y de Estudios Avanzados (CINVESTAV)
- Johann-Wolfgang-Goethe Universität Frankfurt Institut für InformatikFachbereich Informatik und Mathematik
- Ohio State University
- University of California; Lawrence Berkeley National Laboratory
- Technical University of Košice
- National Research and Innovation Agency — BRIN
- Universidade Estadual de Campinas (UNICAMP)
- European Organization for Nuclear Research (CERN); GSI Helmholtzzentrum für Schwerionenforschung GmbH
- Suranaree University of Technology
- Slovak Academy of Sciences
- Yildiz Technical University
- Jeonbuk National University
- European Organization for Nuclear Research (CERN); Jeonbuk National University
- Sejong University
- California Polytechnic State University
- University of Zagreb
- Slovak Academy of Sciences; University of Birmingham
- Panjab University
- National Centre for Nuclear Research
- University of South-Eastern Norway
- Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN)
- GSI Helmholtzzentrum für Schwerionenforschung GmbH; University of Science and Technology of China
- Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN; INFN, Sezione di Bologna
- Università di Messina; INFN, Sezione di Catania
- European Organization for Nuclear Research (CERN); Universidade de São Paulo (USP)
- INFN, Sezione di Bari; Università degli Studi di Foggia
- Dipartimento di Fisica dell’Università and Sezione INFN; Université Clermont Auvergne, CNRS/IN2P3, LPC
- Helsinki Institute of Physics (HIP)
- European Organization for Nuclear Research (CERN); Ruprecht-Karls-Universität Heidelberg
- INFN, Sezione di Trieste; Università di Brescia
- Aligarh Muslim University; Aligarh Muslim University
- University of the Witwatersrand
- Chungbuk National University
- China University of Geosciences
- European Organization for Nuclear Research (CERN); INFN, Sezione di Bologna
- Dipartimento di Fisica dell’Università and Sezione INFN; European Organization for Nuclear Research (CERN)
- Creighton University
- Oak Ridge National Laboratory; University of Tennessee
- National Centre for Nuclear Research; University of Wroclaw
- National Nuclear Research Center
- European Organization for Nuclear Research (CERN); Technische Universität München
- European Organization for Nuclear Research (CERN); Johann Wolfgang Goethe-Universität Frankfurt
- Eberhard-Karls-Universität Tübingen
- Universidad Nacional Autónoma de México; Universidad Nacional Autónoma de México
- Nara Women’s University (NWU)
- INFN, Sezione di Padova; GSI Helmholtzzentrum für Schwerionenforschung GmbH
- European Organization for Nuclear Research (CERN); Universitatea Nationala de Stiinta si Tehnologie Politehnica Bucuresti
- European Organization for Nuclear Research (CERN); Universität Münster, Institut für Kernphysik
- Politecnico di Bari and Sezione INFN
- Università di Messina; European Organization for Nuclear Research (CERN); INFN, Sezione di Catania
- Indian Institute of Technology Bombay (IIT); Université Clermont Auvergne, CNRS/IN2P3, LPC
- National Academy of Sciences of Ukraine
- INFN, Sezione di Pavia
- Institute of Physics of the Czech Academy of Sciences
- Central China Normal University; Université Clermont Auvergne, CNRS/IN2P3, LPC
- Central China Normal University; Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN
- Central China Normal University; INFN, Sezione di Padova
Correlations among conserved quantum numbers, such as the net-electric charge, the net-baryon, and the net-strangeness in heavy-ion collisions, are crucial for exploring the QCD phase diagram. In this paper, these correlations are investigated using net-proton number (as a proxy for the net-baryon), net-kaon number (for the net-strangeness), and net-charged particle number in Pb-Pb collisions at $$\sqrt{s_{NN}}$$ = 5.02 TeV with the ALICE detector. The observed correlations deviate from the Poissonian baseline, with a more pronounced deviation at LHC energies than at RHIC. Theoretical calculations of the Thermal-FIST hadron resonance gas model, HIJING, and EPOS LHC event generators are compared with experimental results, where a significant impact of resonance decays is observed. Thermal-FIST calculations under the grand canonical and canonical ensembles highlight significant differences, underscoring the role of local charge conservation in explaining the data. Recent lattice QCD studies have demonstrated that the magnetic field generated by spectator protons in heavy-ion collisions affects susceptibility ratios, in particular those related to the net-electric charge and the net-baryon numbers. The experimental findings are in qualitative agreement with the expectations of lattice QCD.
- Research Organization:
- European Organization for Nuclear Research (CERN), Geneva (Switzerland); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Yale Univ., New Haven, CT (United States)
- Sponsoring Organization:
- Czech Science Foundation; European Research Council; German Research Foundation; US Department of Energy; USDOE; USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
- Grant/Contract Number:
- AC02-05CH11231; AC05-00OR22725; SC0004168
- OSTI ID:
- 3011926
- Journal Information:
- Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 8 Vol. 2025; ISSN 1029-8479
- Publisher:
- Springer NatureCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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