Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-01-18
Eur.Phys.J.C49:187-191,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 3 figures, to appear in the proceedings of Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-
Scientific paper
10.1140/epjc/s10052-006-0126-1
We ``quantify'' the role of elastic as well as inelastic gg<->ggg pQCD processes in kinetic equilibration within a pQCD inspired parton cascade. The contributions of different processes to kinetic equilibration are manifested by the transport collision rates. We find that in a central Au+Au collision at RHIC energy pQCD Bremstrahlung processes are much more efficient for momentum isotropization compared to elastic scatterings. For the parameters chosen the ratio of their transport collision rates amounts to 5:1.
Greiner Carsten
Xu Zhe
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