EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Section||Hot and Dense Nuclear Matter|
|Published online||20 March 2014|
Heavy flavour in nucleus-nucleus collisions at RHIC and LHC: a Langevin approach
1 Physics Department, Theory Unit, CERN, CH-1211 Genève 23, Switzerland
2 Istituto Nazionale di Fisica Nucleare, Sezione di Torino, via P.Giuria 1, I-10125 Torino, Italy
3 Dipartimento di Fisica dell’Università di Torino, via P.Giuria 1, I-10125 Torino, Italy
a e-mail: Andrea.Beraudo@cern.ch
Published online: 20 March 2014
A snapshot of the results for heavy-flavour observables in heavy-ion (AA) collisions at RHIC and LHC obtained with our transport calculations is displayed. The initial charm and beauty production is simulated through pQCD tools (POWHEG+PYTHIA) and is validated through the comparison with data from pp collisions. The propagation of c and b quarks in the medium formed in heavy-ion collisions is studied through a transport setup based on the relativistic Langevin equation. With respect to past works we perform a more systematic study, providing results with different choices of transport coefficients, either from weak-coupling calculations or from lattice-QCD simulations. Our findings are compared to a rich set of experimental data (D-mesons, non-photonic electrons, non-prompt J/ψ’s) which have meanwhile become accessible.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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