TY  - INPR
A1  - Belkacem, Mohamed
A1  - Brandstetter, Mathias
A1  - Bass, Steffen A.
A1  - Bleicher, Marcus
A1  - Bravina, Larissa
A1  - Gorenstein, Mark I.
A1  - Konopka, Jens
A1  - Neise, Ludwig
A1  - Spieles, Christian
A1  - Soff, Sven
A1  - Weber, Henning
A1  - Stöcker, Horst
A1  - Greiner, Walter
T1  - Equation of state, spectra and composition of hot and dense infinite hadronic matter in a microscopic transport model
N2  - Equilibrium properties of infinite relativistic hadron matter are investigated using the Ultrarelativistic Quantum Molecular Dynamics (UrQMD) model. The simulations are performed in a box with periodic boundary conditions. Equilibration times depend critically on energy and baryon densities. Energy spectra of various hadronic species are shown to be isotropic and consistent with a single temperature in equilibrium. The variation of energy density versus temperature shows a Hagedorn-like behavior with a limiting temperature of 130 +/- 10 MeV. Comparison of abundances of different particle species to ideal hadron gas model predictions show good agreement only if detailed balance is implemented for all channels. At low energy densities, high mass resonances are not relevant; however, their importance raises with increasing energy density. The relevance of these different conceptual frameworks for any interpretation of experimental data is questioned.
Y1  - 1998
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/4806
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30-6893
UR  - http://de.arxiv.org/abs/nucl-th/9804058
N1  - Preprint, später in Phys.Rev. C58 (1998) 1727-1733
ER  -