Studies of parton thermalization at RHIC

Details Studies of parton thermalization at RHIC Studies of parton thermalization at RHIC

2003-07-22

arxiv.org/abs/nucl-th/0307084v1

J.Phys.G29:2485-2495,2003

Physics

Nuclear Physics

Nuclear Theory

14 pages

Scientific paper

10.1088/0954-3899/29/11/004

We consider the evolution of a parton system which is formed in the central region just after a relativistic heavy ion collision. The parton consist of mostly gluons, minijets, which are produced by elastic scattering between constituent partons of the colliding nuclei. We assume the system can be described by a semi-classical Boltzmann transport equation, which we solve by means of the test particle Monte-Carlo method including retardation. The partons proliferate via secondary radiative $gg \to ggg$ processes until the thermalization is reached for some assumptions. The extended system is thermalized at about $t=1.6$ fm/$c$ with $T = 570$ MeV and stays in equilibrium for about 2 fm/$c$ with breaking temperature $T = 360$ MeV in the rapidity central region.

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