Speaker
Elena Bratkovskaya
(FIAS)
Description
Based on the Parton-Hadron-String Dynamics (PHSD) transport approach
we study the suppression pattern of charmonia at SPS and RHIC with
respect to centrality and rapidity employing various model concepts
such as variants of the `comover absorption' model or the `charmonium melting' scenario. A detailed comparison to the RHIC experimental data demonstrates that non-hadronic interactions are mandatory to describe the narrowing of the $J/\Psi$ rapidity distribution from $pp$ to central Au+Au collisions. The $\Psi^\prime$ to $J/\Psi$ ratio is found to be crucial in disentangling the different charmonium absorption scenarios especially in the RHIC energy range.
Also we investigate the contribution from open and hidden charm and bottom to the dilepton production from SPS to LHC energies.
Author
Elena Bratkovskaya
(FIAS)
