Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-11-17
Phys.Rev. C65 (2002) 054902
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 24 figures
Scientific paper
10.1103/PhysRevC.65.054902
We recently proposed a new approach to high energy nuclear scattering, which treats the initial stage of heavy ion collisions in a sophisticated way. We are able to calculate macroscopic quantities like energy density and velocity flow at the end of this initial stage, after the two nuclei having penetrated each other. In other words, we provide the initial conditions for a macroscopic treatment of the second stage of the collision. We address in particular the question of how to incorporate the soft component properly. We find almost perfect "Bjorken scaling": the rapidity coincides with the space-time rapidity, whereas the transverse flow is practically zero. The distribution of the energy density in the transverse plane shows typically a very "bumpy" structure.
Drescher Hans-Joachim
Liu Fa-Min
Ostapchenko Sergey
Pierog Tanguy
Werner Kirstin
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