Production of Upsilon(nS) mesons in Pb plus Pb and pp collisions at 5.02 TeV

ATLAS Collaboration; J. R. Bensinger; C. Blocker; G. Sciolla

doi:10.1103/PhysRevC.107.054912

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Production of Upsilon(nS) mesons in Pb plus Pb and pp collisions at 5.02 TeV

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Production of Upsilon(nS) mesons in Pb plus Pb and pp collisions at 5.02 TeV

ATLAS Collaboration, J. R. Bensinger, C. Blocker and G. Sciolla

Physical Review C - Nuclear Physics, Vol.107(5), 054912

05/22/2023

DOI: https://doi.org/10.1103/PhysRevC.107.054912

Abstract

Physics, Nuclear

Science & Technology

Physical Sciences

Physics

A measurement of the production of vector bottomonium states, Upsilon(1S), Upsilon(2S), and Upsilon(3S), in Pb + Pb and pp collisions at a center-of-mass energy per nucleon pair of 5.02 TeV is presented. The data correspond to integrated luminosities of 1.38 nb(-1) of Pb + Pb data collected in 2018, 0.44 nb-1 of Pb + Pb data collected in 2015, and 0.26 fb(-1) of pp data collected in 2017 by the ATLAS detector at the Large Hadron Collider. The measurements are performed in the dimuon decay channel for transverse momentum p(T)(mu mu) < 30 GeV, absolute rapidity vertical bar y(mu mu)vertical bar < 1.5, and Pb + Pb event centrality 0-80%. The production rates of the three bottomonium states in Pb + Pb collisions are compared with those in pp collisions to extract the nuclear modification factors as functions of event centrality, p(T)(mu mu), and vertical bar y(mu mu)vertical bar. In addition, the suppression of the excited states relative to the ground state is studied. The results are compared with theoretical model calculations.

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Title: Production of Upsilon(nS) mesons in Pb plus Pb and pp collisions at 5.02 TeV
Creators: ATLAS Collaboration (Author)
J. R. Bensinger - Brandeis University
C. Blocker - Brandeis University
G. Sciolla - Brandeis University
Publication Details: Physical Review C - Nuclear Physics, Vol.107(5), 054912
Publisher: American Physical Society (APS)
Number of pages: 25
Grant note: MSSR, Slovakia ANAS, Azerbaijan; Azerbaijan National Academy of Sciences (ANAS) FWF, Austria; Austrian Science Fund (FWF) NAWA, Poland; Polish National Agency for Academic Exchange (NAWA) PRIMUS 21/SCI/017; UNCE SCI/013 / Czech Republic; Czech Republic Government Benoziyo Center, Israel GSRI, Greece CAS, China; Chinese Academy of Sciences Wallenberg Foundation, Sweden IN2P3-CNRS, France; Centre National de la Recherche Scientifique (CNRS) Compute Canada, Canada NRC, Canada RCN, Norway MOST, China; Ministry of Science and Technology, China ERC, European Union; European Union (EU); European Research Council (ERC) RGC, China ANPCyT, Argentina; ANPCyT ANR, France; Agence Nationale de la Recherche (ANR) BMWFW, Austria SNSF, Switzerland; Swiss National Science Foundation (SNSF) MESTD, Serbia; Ministry of Education, Science & Technological Development, Serbia CNPq, Brazil; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ) SRC, Sweden ARRS, Slovenia; Slovenian Research Agency - Slovenia Thales programme - EU-ESF, Greece; Thales Group MEYS CR, Czech Republic La Caixa Banking Foundation, Spain MEiN, Poland ERDF, European Union; European Union (EU); Marie Curie Actions NSERC, Canada; Natural Sciences and Engineering Research Council of Canada (NSERC) Herakleitos programme - EU-ESF, Greece MIZS, Slovenia Canton of Bern, Switzerland MPG, Germany; Max Planck Society BSF-NSF, Israel NCN, Poland MEXT, Japan; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) DSI/NRF, South Africa NSFC, China; National Natural Science Foundation of China (NSFC) Investissements d'Avenir Labex, France; Agence Nationale de la Recherche (ANR) Investissements d'Avenir Idex , France; Agence Nationale de la Recherche (ANR) CERN JSPS, Japan; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT); Japan Society for the Promotion of Science CEA-DRF/IRFU, France Hong Kong SAR, China INFN, Italy; Istituto Nazionale di Fisica Nucleare (INFN) COST, European Union BMBF, Germany; Federal Ministry of Education & Research (BMBF) BCKDF, Canada DNRF, Denmark; National Research Foundation of Korea FCT, Portugal; Fundacao para a Ciencia e a Tecnologia (FCT) NSF, United States of America; National Science Foundation (NSF) Norwegian Financial Mechanism 2014-2021, Norway Goran Gustafssons Stiftelse, Sweden FAPESP, Brazil; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) MNE/IFA, Romania DNSRC, Denmark; Danish Natural Science Research Council Greek NSRF, Greece STFC, United Kingdom; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) Canton of Geneva, Switzerland Marie Skodowska-Curie Actions, European Union; European Union (EU); Marie Curie Actions CFI, Canada; Canada Foundation for Innovation ISF, Israel; Israel Science Foundation DFG , Germany; German Research Foundation (DFG) CERCA Programme Generalitat de Catalunya, Spain AvH Foundation, Germany; Alexander von Humboldt Foundation MICINN, Spain; Spanish Government NWO, Netherlands; Netherlands Organization for Scientific Research (NWO); Netherlands Government SRNSFG, Georgia ARC, Australia; Australian Research Council ANID, Chile HGF, Germany YerPhI, Armenia MOST, Taiwan; Ministry of Science and Technology, Taiwan CNRST, Morocco Minciencias, Colombia SERI, Switzerland TENMAK, Turkiye PROMETEO Programme Generalitat Valenciana, Spain CANARIE, Canada Royal Society, United Kingdom; Royal Society Leverhulme Trust, United Kingdom; Leverhulme Trust Aristeia programme - EU-ESF, Greece MINERVA, Israel Horizon 2020, European Union GenT Programme Generalitat Valenciana, Spain DOE, United States of America; United States Department of Energy (DOE)
Identifiers: 9924288486701921
Academic Unit: Martin A. Fisher School of Physics
Language: English
Resource Type: Journal article

Production of Upsilon(nS) mesons in Pb plus Pb and pp collisions at 5.02 TeV

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