EPJ Web Conf.
Volume 171, 201817th International Conference on Strangeness in Quark Matter (SQM 2017)
|Number of page(s)||4|
|Section||Open and Hidden Heavy-Flavour (parallel session)|
|Published online||02 February 2018|
Charmonium production in pPb and PbPb collisions at 5.02 TeV with CMS
Centre National de la Recherche Scientifique, Laboratoire Leprince-Ringuet, École polytechnique, France
* e-mail: firstname.lastname@example.org
Published online: 2 February 2018
Charmonium states, such as the J/ψ and ψ(2S) mesons, are excellent probes of the deconfined state of matter, the Quark-Gluon Plasma (QGP) created in heavy ion collisions. In addition, the measurements in pPb collisions allow to study the cold nuclear matter effects, being crucial to disentangle these from the QGP-related effects in PbPb collisions. In this talk the new nuclear modification factor RAA of prompt and nonprompt J/ψ in PbPb collisions at = 5.02 TeV were presented over a wide kinematic range (3 < pT < 50 GeV/c, |y| < 2.4), and fine event-centrality intervals. The results were compared to those at 2.76 TeV over a similar kinematic range. In addition, new prompt ψ(2S) RAA results at 5.02 TeV were reported. Finally the final prompt and nonprompt J/ψ results, as well as preliminary ψ(2S) results, in pPb collisions at 5.02 TeV, were discussed.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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