Microscopic Models for Ultrarelativistic Heavy Ion Collisions

Details Microscopic Models for Ultrarelativistic Heavy Ion Collisions Microscopic Models for Ultrarelativistic Heavy Ion Collisions

1998-03-17

arxiv.org/abs/nucl-th/9803035v2

Prog.Part.Nucl.Phys.41:255-369,1998; Prog.Part.Nucl.Phys.41:225-370,1998

Physics

Nuclear Physics

Nuclear Theory

129 pages, pagestyle changed using US letter (8.5x11 in) format. The whole paper (13 Mb ps file) could also be obtained from

Scientific paper

10.1016/S0146-6410(98)00058-1

In this paper, the concepts of microscopic transport theory are introduced and the features and shortcomings of the most commonly used ansatzes are discussed. In particular, the Ultrarelativistic Quantum Molecular Dynamics (UrQMD) transport model is described in great detail. Based on the same principles as QMD and RQMD, it incorporates a vastly extended collision term with full baryon-antibaryon symmetry, 55 baryon and 32 meson species. Isospin is explicitly treated for all hadrons. The range of applicability stretches from $E_{lab}< 100$ MeV/nucleon up to $E_{lab}> 200$ GeV/nucleon, allowing for a consistent calculation of excitation functions from the intermediate energy domain up to ultrarelativistic energies. The main physics topics under discussion are stopping, particle production and collective flow.

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