System size and energy dependence of the mean transverse momentum fluctuations at the LHC
- Université Clermont Auvergne
- 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
- Affiliated with an Institute Covered by a Cooperation Agreement with CERN
- Johann Wolfgang Goethe-Universität Frankfurt
- GSI Helmholtzzentrum für Schwerionenforschung GmbH
- Sezione di Torino
- Central China Normal University
- Universidad Nacional Autónoma de México
- University of Houston
- Sungkyunkwan University
- University of Bergen
- Dipartimento di Fisica dell’Università and Sezione INFN; Sezione di Cagliari
- Sezione di Bari
- Technische Universität München
- Universidad Autónoma de Puebla
- Horia Hulubei National Institute of Physics and Nuclear Engineering
- University of Derby
- Institut für Kernphysik
- Ruprecht-Karls-Universität Heidelberg
- Sezione di Padova
- Sezione di Bologna
- Lawrence Berkeley National Laboratory
- Nantes Université
- Université Grenoble-Alpes
- Universidade de São Paulo (USP)
- University of Oslo
- Yale University
- University of Tokyo
- 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
- AGH University of Krakow
- Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN
- National and Kapodistrian University of Athens
- Gauhati University
- HUN-REN Wigner Research Centre for Physics
- University of Liverpool
- Lund University
- Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN
- Indian Institute of Technology Bombay (IIT)
- Pontificia Universidad Católica del Perú
- University of Copenhagen
- Université de Strasbourg
- Universidad Autónoma de Sinaloa
- Institute of Space Science (ISS)
- Czech Technical University in Prague
- Nuclear Physics Institute of the Czech Academy of Sciences
- Department of Physics and Centre for Astroparticle Physics and Space Science (CAPSS)
- The University of Texas at Austin
- Oak Ridge National Laboratory
- Pusan National University
- Sezione di Pavia; Università di Brescia
- Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN; Politecnico di Bari and Sezione INFN
- Sofia University
- STFC Daresbury Laboratory
- Stefan Meyer Institut für Subatomare Physik (SMI)
- 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
- Université de Lyon
- Warsaw University of Technology
- Fudan University
- Technische Universität München; Max-Planck-Institut fur Physik
- Inha University
- National Institute for Subatomic Physics
- University of Tsukuba
- Sezione di Cagliari
- Sezione di Bologna; Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA)
- University of Birmingham
- Sezione di Torino; Università del Piemonte Orientale
- Universidade Federal do ABC
- Università di Pavia; Sezione di Pavia
- European Organization for Nuclear Research (CERN); Homi Bhabha National Institute
- Università di Brescia
- University of California
- Università degli Studi di Foggia
- Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN); Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN
- Comenius University Bratislava
- Hiroshima University
- Laboratori Nazionali di Frascati
- Sezione di Torino; Dipartimento DET del Politecnico di Torino
- University of Houston; Yale University
- National Research Foundation
- Sezione di Torino; Aligarh Muslim University
- Sezione di Trieste
- Saga University
- Chicago State University
- University of Kansas
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Sezione di Torino; GSI Helmholtzzentrum für Schwerionenforschung GmbH
- University of Tennessee
- Nagasaki Institute of Applied Science
- Wayne State University
- University of Split
- Utrecht University/Nikhef
- A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation; Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN
- Universidade Estadual de Campinas (UNICAMP)
- Yonsei University
- University of Jyväskylä
- Rheinische Friedrich-Wilhelms-Universität Bonn
- Environmental and Social Sciences
- Centro de Investigación y de Estudios Avanzados (CINVESTAV)
- Fachbereich Informatik und Mathematik
- Ohio State University
- Indian Institute of Technology Bombay (IIT); Homi Bhabha National Institute
- University of California; Lawrence Berkeley National Laboratory
- Technical University of Košice
- National Research and Innovation Agency-BRIN
- China Institute of Atomic Energy
- European Organization for Nuclear Research (CERN); GSI Helmholtzzentrum für Schwerionenforschung GmbH
- Suranaree University of Technology
- Slovak Academy of Sciences
- Yildiz Technical University
- University of Zagreb
- Jeonbuk National University
- European Organization for Nuclear Research (CERN); Jeonbuk National University
- Sejong University
- California Polytechnic State University
- European Organization for Nuclear Research (CERN); Johann Wolfgang Goethe-Universität Frankfurt
- 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
- Indian Institute of Technology Indore; University of Jyväskylä
- Università di Messina; Sezione di Catania
- Sezione di Bari; Università degli Studi di Foggia
- Dipartimento di Fisica dell’Università and Sezione INFN; European Organization for Nuclear Research (CERN)
- Helsinki Institute of Physics (HIP)
- European Organization for Nuclear Research (CERN); Ruprecht-Karls-Universität Heidelberg
- Affiliated with an Institute Covered by a Cooperation Agreement with CERN; Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN
- Aligarh Muslim University; Aligarh Muslim University
- University of Cape Town
- University of the Witwatersrand
- Homi Bhabha National Institute; University of Houston
- Chungbuk National University
- China University of Geosciences
- European Organization for Nuclear Research (CERN); Sezione di Bologna
- Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN; Max-Planck-Institut fur Physik
- Creighton University
- Oak Ridge National Laboratory; University of Tennessee
- National Centre for Nuclear Research; University of Wroclaw
- Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN; Sezione di Bologna
- National Nuclear Research Center
- European Organization for Nuclear Research (CERN); Technische Universität München
- Eberhard-Karls-Universität Tübingen
- Stefan Meyer Institut für Subatomare Physik (SMI); Université de Strasbourg
- Universidad Nacional Autónoma de México; Universidad Nacional Autónoma de México
- University of Houston; Wayne State University
- Nara Women’s University (NWU)
- 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); Institut für Kernphysik
- Politecnico di Bari and Sezione INFN
- Università di Messina; European Organization for Nuclear Research (CERN); Sezione di Catania
- National Academy of Sciences of Ukraine
- Sezione di Pavia
- HUN-REN Wigner Research Centre for Physics; Yale University
- Affiliated with an Institute Covered by a Cooperation Agreement with CERN; Max-Planck-Institut fur Physik
- Institute of Physics of the Czech Academy of Sciences
- Central China Normal University; Ruprecht-Karls-Universität Heidelberg
- Central China Normal University; Université Clermont Auvergne
- Central China Normal University; Sezione di Padova
Event-by-event fluctuations of the event-wise mean transverse momentum, $$\langle$$pT$$\rangle$$, of charged particles produced in proton–proton (pp) collisions at $$\sqrt{s}$$ = 5.02 TeV, Xe–Xe collisions at $$\sqrt{s_{NN}}$$ = 5.44 TeV, and Pb–Pb collisions at $$\sqrt{s_{NN}}$$ = 5.02 TeV are studied using the ALICE detector based on the integral correlator $$\langle$$$$\langle$$ΔpTΔpT$$\rangle$$$$\rangle$$. 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, S0, 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.
- 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); Wayne State University, Detroit, MI (United States); Yale University, New Haven, CT (United States)
- Sponsoring Organization:
- Academy of Finland; European Research Council; German Research Foundation; US Department of Energy; USDOE; 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)
- Contributing Organization:
- ALICE Collaboration
- Grant/Contract Number:
- AC02-05CH11231; AC05-00OR22725; FG02-92ER40713; SC0004168
- OSTI ID:
- 3011795
- Journal Information:
- European Physical Journal. C, Particles and Fields (Online), Journal Name: European Physical Journal. C, Particles and Fields (Online) Journal Issue: 7 Vol. 85; ISSN 1434-6052
- Publisher:
- Springer NatureCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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