Signatures of dense hadronic matter in ultrarelativistic heavy ion reactions
L. A. Winckelmann, C. Ernst, L. Gerland, J. Konopka, S. Soff, S. A. Bass, M. Bleicher, M. Brandstetter, A. Dumitru, C. Spieles, H. Weber, C. Hartnack, J. Aichelin, N. Amelin, H. Stöcker, W. Greiner
Abstract
The behavior of hadronic matter at high baryon densities is studied within Ultrarelativistic Quantum Molecular Dynamics (URQMD). Baryonic stopping is observed for Au+Au collisions from SIS up to SPS energies. The excitation function of flow shows strong sensitivities to the underlying equation of state (EOS), allowing for systematic studies of the EOS. Dilepton spectra are calculated with and without shifting the ρ pole. Except for S+Au collisions our calculations reproduce the CERES data.
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