A Poincare-Covariant Parton Cascade Model for Ultrarelativistic Heavy-Ion Reactions

Details A Poincare-Covariant Parton Cascade Model for Ultrarelativistic Heavy-Ion Reactions A Poincare-Covariant Parton Cascade Model for Ultrarelativistic Heavy-Ion Reactions

2000-06-05

arxiv.org/abs/hep-ph/0006038v1

Phys.Rev. C62 (2000) 064903

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages. 11 figures. Submitted to Phys.Rev. C

Scientific paper

10.1103/PhysRevC.62.064903

We present a new cascade-type microscopic simulation of nucleus-nucleus collisions at RHIC energies. The basic elements are partons (quarks and gluons) moving in 8N-dimensional phase space according to Poincare-covariant dynamics. The parton-parton scattering cross sections used in the model are computed within perturbative QCD in the tree-level approximation. The Q^2 dependence of the structure functions is included by an implementation of the DGLAP mechanism suitable for a cascade, so that the number of partons is not static, but varies in space and time as the collision of two nuclei evolves. The resulting parton distributions are presented, and meaningful comparisons with experimental data are discussed.

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