Open heavy flavour production in heavy ion collisions

Jun 4, 2020, 1:10 PM
20m
https://cern.zoom.us/j/98296793721

https://cern.zoom.us/j/98296793721

Oral Presentation Heavy Flavor and Quarkonia Parallel

Speaker

joerg aichelin (Subatech/CNRS)

Description

Heavy flavor observables provide valuable information on the properties of the hot and dense quark gluon plasma (QGP) created in ultrarelativistic nucleus-nucleus collisions. Various microscopic models have successfully described many of the observables associated with its formation. Their transport coefficients differ, however, due to different assumptions about the underlying interaction of the heavy quarks with the plasma constituents, different initial geometries and formation times, different hadronization processes, and a different time evolution of the QGP as well as by different transport equations for the heavy quarks. Recently the different groups joined efforts to investigate systematically how these assumptions influence the heavy quark properties at the end of the QGP expansion. For this purpose the same initial condition and the same model for the QGP expansion has been imposed on these models and the influence on RAA and v2 as well as the difference in box calculations has been studied. We report about these results and identify what steps are necessary to reduce the present ambiguities.

Y. Xu et al. Phys.Rev. C99 (2019) 014902
S.Cao et al. Phys.Rev. C99 (2019) 054907
T. Song et al. arXiv:2001.07951

Track Heavy Flavor and Quarkonia
Contribution type Contributed Talk

Primary authors

Elena Bratkovskaya (GSI, Darmstadt) Pol Gossiaux (Subatech) Shanshan Cao (Wayne State University) Steffen A. Bass (Duke University) Dr Taesoo Song (GSI) Vincenzo Greco (University of Catania) Xin-Nian Wang (Central China Normal University (China)) / Lawrence Berkeley Na) Yingru Xu (Duke University) joerg aichelin (Subatech/CNRS)

Presentation materials