ALICE results on quarkonia

Scomparin, E. and Abelev, B. and Adam, J. and Adamová, D. and Adare, A. M. and Aggarwal, M. M. and Aglieri, R. G. and Agócs, András and Agostinelli, A. and Aguilar, S. S. and Ahammed, Z. and Ahmad, A. and Ahmad, N. and Ahn, S. A. and Ahn, S. U. and Akindinov, A. and Aleksandrov, D. and Alessandro, B. and Alfaro, M. J. R. and Alici, A. and Alkin, A. and Alme, J. and Alt, T. and Altini, V. and Altinpinar, S. and Altsybeev, I. and Andrei, C. and Andronic, A. and Anguelov, V. and Anielski, J. and Barnaföldi, Gergely Gábor and Bencédi, Gyula and Berényi, Dániel and Boldizsár, László and Dénes, Ervin and Hamar, Gergő and Lévai, Péter and Pochybova, Sona (2013) ALICE results on quarkonia. NUCLEAR PHYSICS A, 904-90. 202C-209C. ISSN 0375-9474

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Abstract

The ALICE experiment has measured quarkonia production in pp and Pb-Pb collisions at the CERN LHC, in the rapidity ranges |y| < 0.9 and 2.5 < y < 4. Quarkonia are considered to be a sensitive probe of deconfinement, and a detailed differential study of their yields can give important information on the properties of the medium created in heavy-ion collisions. In this paper, we will mainly discuss the centrality dependence of the J/ψ nuclear modification factors, as well as their pT and y dependence in bins of centrality, which will be then compared to theoretical models. Preliminary results on the J/ψ elliptic flow and on ψ(2S ) production will also be shown.

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