Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at sNN =5.02 TeV

doi:10.1103/PhysRevC.102.055203

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Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at sNN =5.02 TeV

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Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at sNN =5.02 TeV

Physical Review C, Vol.102(5), 055203

102

11/17/2020

DOI: https://doi.org/10.1103/PhysRevC.102.055203

Abstract

Nuclear and High Energy Physics

The measurements of the (anti)deuteron elliptic flow (v2) and the first measurements of triangular flow (v3) in Pb-Pb collisions at a center-of-mass energy per nucleon-nucleon collision sNN = 5.02 TeV are presented. A mass ordering at low transverse momentum (pT) is observed when comparing these measurements with those of other identified hadrons, as expected from relativistic hydrodynamics. The measured (anti)deuteron v2 lies between the predictions from the simple coalescence and blast-wave models, which provide a good description of the data only for more peripheral and for more central collisions, respectively. The mass number scaling, which is violated for v2, is approximately valid for the (anti)deuterons v3. The measured v2 and v3 are also compared with the predictions from a coalescence approach with phase-space distributions of nucleons generated by iebe-vishnu with ampt initial conditions coupled with urqmd, and from a dynamical model based on relativistic hydrodynamics coupled to the hadronic afterburner smash. The model predictions are consistent with the data within the uncertainties in midcentral collisions, while a deviation is observed in the most central collisions.

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Title: Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at sNN =5.02 TeV
Publication Details: Physical Review C, Vol.102(5), 055203
Series: 102
Grant note: The ALICE Collaboration would like to thank all its engineers and technicians for their invaluable contributions to the construction of the experiment and the CERN accelerator teams for the outstanding performance of the LHC complex. The ALICE Collaboration gratefully acknowledges the resources and support provided by all Grid centers and the Worldwide LHC Computing Grid collaboration. The ALICE Collaboration acknowledges the following funding agencies for their support in building and running the ALICE detector: A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation, State Committee of Science and World Federation of Scientists, Armenia; Austrian Academy of Sciences, Austrian Science Fund (Grant No. M 2467-N36) and Nationalstiftung für Forschung, Technologie und Entwicklung, Austria; Ministry of Communications and High Technologies, National Nuclear Research Center, Azerbaijan; Conselho Nacional de Desenvolvimento Científico e Tecnológico, Financiadora de Estudos e Projetos, Fundação de Amparo à Pesquisa do Estado de São Paulo, and Universidade Federal do Rio Grande do Sul, Brazil; Ministry of Education of China, Ministry of Science and Technology of China, and National Natural Science Foundation of China, China; Ministry of Science and Education and Croatian Science Foundation, Croatia; Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear, Cubaenergía, Cuba; Ministry of Education, Youth, and Sports of the Czech Republic, Czech Republic; The Danish Council for Independent Research—Natural Sciences, the VILLUM FONDEN, and Danish National Research Foundation, Denmark; Helsinki Institute of Physics, Finland; Commissariat à l'Energie Atomique, Institut National de Physique Nucléaire et de Physique des Particules, and Centre National de la Recherche Scientifique, France; Bundesministerium für Bildung und Forschung and GSI Helmholtzzentrum für Schwerionenforschung GmbH, Germany; General Secretariat for Research and Technology, Ministry of Education, Research, and Religions, Greece; National Research, Development, and Innovation Office, Hungary; Department of Atomic Energy Government of India, Department of Science and Technology, Government of India, University Grants Commission, Government of India, and Council of Scientific and Industrial Research, India; Indonesian Institute of Science, Indonesia; Centro Fermi—Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi and Istituto Nazionale di Fisica Nucleare, Italy; Institute for Innovative Science and Technology, Nagasaki Institute of Applied Science, Japanese Ministry of Education, Culture, Sports, Science, and Technology, and Japan Society for the Promotion of Science KAKENHI, Japan; Consejo Nacional de Ciencia y Tecnología, through Fondo de Cooperación Internacional en Ciencia y Tecnología and Dirección General de Asuntos del Personal Academico, Mexico; Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Netherlands; The Research Council of Norway, Norway; Commission on Science and Technology for Sustainable Development in the South, Pakistan; Pontificia Universidad Católica del Perú, Peru; Ministry of Science and Higher Education, National Science Centre and WUT ID-UB, Poland; Korea Institute of Science and Technology Information and National Research Foundation of Korea, Republic of Korea; Ministry of Education and Scientific Research, Institute of Atomic Physics and Ministry of Research and Innovation and Institute of Atomic Physics, Romania; Joint Institute for Nuclear Research, Ministry of Education and Science of the Russian Federation, National Research Centre Kurchatov Institute, Russian Science Foundation, and Russian Foundation for Basic Research, Russia; Ministry of Education, Science, Research, and Sport of the Slovak Republic, Slovakia; National Research Foundation of South Africa, South Africa; Swedish Research Council and Knut and Alice Wallenberg Foundation, Sweden; European Organization for Nuclear Research, Switzerland; Suranaree University of Technology, National Science and Technology Development Agency, and Office of the Higher Education Commission under NRU project of Thailand, Thailand; Turkish Atomic Energy Agency, Turkey; National Academy of Sciences of Ukraine, Ukraine; Science and Technology Facilities Council, United Kingdom; National Science Foundation and US Department of Energy, Office of Nuclear Physics.
Identifiers: 991005929502302656
Academic Unit: Physics
Language: English
Resource Type: Journal article