Regular Article - Theoretical Physics
Heavy flavors in heavy-ion collisions: quenching, flow and correlations
Sezione di Torino, Istituto Nazionale di Fisica Nucleare, via P.Giuria 1, 10125, Turin, Italy
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Accepted: 27 February 2015
Published online: 14 March 2015
We present results for the quenching, elliptic flow and azimuthal correlations of heavy-flavor particles in high-energy nucleus-nucleus collisions obtained through the POWLANG transport setup, developed in the past to study the propagation of heavy quarks in the Quark–Gluon Plasma and here extended to include a modeling of their hadronization in the presence of a medium. Hadronization is described as occurring via the fragmentation of strings with endpoints given by the heavy (anti-) quark and a thermal parton from the medium. The flow of the light quarks is shown to affect significantly the and of the final mesons, leading to a better agreement with the experimental data. The approach allows also predictions for the angular correlation between heavy-flavor hadrons (or their decay electrons) and the charged particles produced in the fragmentation of the heavy-quark strings.
© SIF and Springer-Verlag Berlin Heidelberg, 2015