Bochum 2009 – scientific programme

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HK: Fachverband Hadronen und Kerne

HK 3: Heavy Ion Collisions and QCD phases

HK 3.6: Talk

Monday, March 16, 2009, 15:45–16:00, H-ZO 10

Investigation of jet-quenching and elliptic flow within a pQCD partonic transport model — •Oliver Fochler, Zhe Xu, and Carsten Greiner — Institut für Theoretische Physik, Goethe Universität Frankfurt

We investigate the gluonic contribution to the nuclear modification factor, R_AA, for central Au+Au collisions at the RHIC-energy of √s = 200 AGeV employing the perturbative QCD-based parton cascade BAMPS including radiative processes. A flat quenching pattern is obtained up to transverse momenta of 30 GeV. When compared to results from the GLV formalism, the suppression is found to be slightly stronger. We demonstrate that the present microscopic transport description provides excellent means of investigating both jet-quenching and a strong build-up of elliptic flow in terms of the same standard perturbative QCD interactions.