Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-04-23
Physics
High Energy Physics
High Energy Physics - Phenomenology
To appear in the proceedings of the 26th Winter Workshop on Nuclear Dynamics (2010).
Scientific paper
The partonic transport model BAMPS (a Boltzmann approach to multiparton scatterings) is employed to investigate different aspects of heavy ion collisions within a common framework based on perturbative QCD. This report focuses on the joint investigation of the collective behavior of the created medium and the energy loss of high-pT gluons traversing this medium. To this end the elliptic flow and the nuclear modification factor of gluons in heavy ion collisions at 200 AGeV are simulated with BAMPS. The mechanism for the energy loss of high energy gluons within BAMPS is studied in detail. For this, purely elastic interactions are compared to radiative processes, gg -> ggg, that are implemented based on the matrix element by Gunion and Bertsch. The latter are found to be the dominant source of energy loss within the framework employed in this work.
Fochler Oliver
Greiner Carsten
Xu Zhe
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