Journal
PHYSICAL REVIEW LETTERS
Volume 111, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.162301
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Funding
- State Committee of Science
- World Federation of Scientists (WFS)
- Swiss Fonds Kidagan, Armenia
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Financiadora de Estudos e Projetos (FINEP)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- National Natural Science Foundation of China (NSFC)
- Chinese Ministry of Education (CMOE)
- Ministry of Science and Technology of China (MSTC)
- Ministry of Education and Youth of the Czech Republic
- Danish Natural Science Research Council
- Carlsberg Foundation
- Danish National Research Foundation
- European Research Council under the European Community
- Helsinki Institute of Physics
- Academy of Finland
- French CNRS-IN2P3
- Region Pays de Loire
- Region Alsace
- Region Auvergne
- CEA, France
- German BMBF
- Helmholtz Association
- General Secretariat for Research and Technology
- Ministry of Development, Greece
- Hungarian OTKA
- National Office for Research and Technology (NKTH)
- Department of Atomic Energy
- Department of Science and Technology of the Government of India
- Istituto Nazionale di Fisica Nucleare (INFN)
- Centro Fermi-Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Italy
- MEXT, Japan
- Joint Institute for Nuclear Research, Dubna
- National Research Foundation of Korea (NRF)
- CONACYT
- DGAPA, Mexico
- ALFA-EC
- EPLANET Program (European Particle Physics Latin American Network)
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands
- Research Council of Norway (NFR)
- Polish Ministry of Science and Higher Education
- National Authority for Scientific Research-NASR (Autoritatea Nationala pentru Cercetare Stiintifica-ANCS)
- Ministry of Education and Science of Russian Federation
- Russian Academy of Sciences
- Russian Federal Agency of Atomic Energy
- Russian Federal Agency for Science and Innovations
- Russian Foundation for Basic Research
- Ministry of Education of Slovakia
- Department of Science and Technology, South Africa
- CIEMAT
- EELA
- Ministerio de Economia y Competitividad (MINECO) of Spain
- Xunta de Galicia (Conselleria de Educacion)
- CEADEN
- Cubaenergia, Cuba
- IAEA (International Atomic Energy Agency)
- Swedish Research Council (VR)
- Knut AMP
- Alice Wallenberg Foundation (KAW)
- Ukraine Ministry of Education and Science
- United Kingdom Science and Technology Facilities Council (STFC)
- U.S. Department of Energy
- U.S. National Science Foundation
- State of Texas
- State of Ohio
- Grants-in-Aid for Scientific Research [25287048, 23340074] Funding Source: KAKEN
- Direct For Mathematical & Physical Scien
- Division Of Physics [0968903, 0969966] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1305280, 1307461] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/G008833/1, ST/J000108/1, ST/I003398/1, ST/J000140/1, ST/J000094/1] Funding Source: researchfish
- STFC [ST/J000094/1, ST/I003398/1, ST/J000108/1, ST/J000140/1, ST/G008833/1] Funding Source: UKRI
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We report on the first measurement of inclusive J/psi elliptic flow v(2) in heavy-ion collisions at the LHC. The measurement is performed with the ALICE detector in Pb-Pb collisions at root s(NN) = 2.76 TeV in the rapidity range 2.5 < y < 4.0. The dependence of the J/psi v(2) on the collision centrality and on the J/psi transverse momentum is studied in the range 0 <= p(T) < 10 GeV/c. For semicentral Pb-Pb collisions at root s(NN) = 2.76 TeV, an indication of nonzero v(2) is observed with a largest measured value of v(2) = 0.116 +/-0.046(stat) +/- 0.029(syst) for J/psi in the transverse momentum range 2 <= p(T) < 4 GeV/c. The elliptic flow measurement complements the previously reported ALICE results on the inclusive J/psi nuclear modification factor and favors the scenario of a significant fraction of J/psi production from charm quarks in a deconfined partonic phase.
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