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J/ψ elliptic flow in Pb-Pb collisions at √sNN=2.76  TeV

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We report on the first measurement of inclusive J/ψ elliptic flow v2 in heavy-ion collisions at the LHC. The measurement is performed with the ALICE detector in Pb-Pb collisions at √sNN=2.76 TeV in the rapidity range 2.5<y<4.0. The dependence of the J/ψ v2 on the collision centrality and on th...

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Main Authors: Abbas, Ehab Gamal (Author) , Angelov, Venelin (Author) , Busch, Oliver (Author) , Fasel, Markus (Author) , Glässel, Peter (Author) , Grajcarek, Robert (Author) , Herrmann, Norbert (Author) , Klein, Jochen (Author) , Kweon, MinJung (Author) , Lohner, Daniel (Author) , Lu, Xianguo (Author) , Maire, Antonin (Author) , Mercado Pérez, Jorge (Author) , Oeschler, Helmut (Author) , Oyama, Ken (Author) , Pachmayer, Yvonne C. (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Stachel, Johanna (Author) , Stiller, Johannes Hendrik (Author) , Ulrich, Joachim (Author) , Völkl, Martin (Author) , Wang, Yifei (Author) , Windelband, Bernd (Author) , Zimmermann, Alice (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 17 October 2013
In: Physical review letters
Year: 2013, Volume: 111, Issue: 16, Pages: 1-11
ISSN:1079-7114
DOI:10.1103/PhysRevLett.111.162301
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.111.162301
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.111.162301
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Author Notes:E. Abbas et al. (ALICE Collaboration)
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Summary:We report on the first measurement of inclusive J/ψ elliptic flow v2 in heavy-ion collisions at the LHC. The measurement is performed with the ALICE detector in Pb-Pb collisions at √sNN=2.76 TeV in the rapidity range 2.5<y<4.0. The dependence of the J/ψ v2 on the collision centrality and on the J/ψ transverse momentum is studied in the range 0≤pT<10 GeV/c. For semicentral Pb-Pb collisions at √sNN=2.76 TeV, an indication of nonzero v2 is observed with a largest measured value of v2=0.116±0.046(stat)±0.029(syst) for J/ψ in the transverse momentum range 2≤pT<4 GeV/c. The elliptic flow measurement complements the previously reported ALICE results on the inclusive J/ψ nuclear modification factor and favors the scenario of a significant fraction of J/ψ production from charm quarks in a deconfined partonic phase.
Item Description:Im Titel steht sNN unter dem Wurzelsymbol
Im Titel ist "NN" in sNN tiefgestellt
The ALICE collaboration: E. Abbas, V. Angelov, O. Busch, M. Fasel, P. Glässel, R. Grajcarek, N. Herrmann, J. Klein, M.J. Kweon, D. Lohner, X.-G. Lu, A. Maire, J. Mercado-Pérez, H. Oeschler, K. Oyama, Y. Pachmayer, K. Reygers, R. Schicker, J. Stachel, J.H. Stiller, J. Ulrich, M.A. Völkl, Y. Wang, B. Windelband, A. Zimmermann und weitere 955
Gesehen am 28.04.2021
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.111.162301

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