dorsal/arxiv
View SchemaCollective flow in heavy ion reactions and the properties of excited nuclear matter
| Authors | J. Konopka, S. A. Bass, M. Bleicher, M. Brandstetter C. Ernst, L. Gerland, W. Greiner, S. Soff, C. Spieles, H. Stoecker, H. Weber, L. A. Winckelmann |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9607015 |
| URL | https://arxiv.org/abs/nucl-th/9607015 |
Abstract
Quantum Molecular Dynamics (QMD) calculations of central collisions between heavy nuclei are used to study fragment production and the creation of collective flow. It is shown that the final phase space distributions are compatible with the expectations from a thermally equilibrated source, which in addition exhibits a collective transverse expansion. However, the microscopic analyses of the transient states in the intermediate reaction stages show that the event shapes are more complex and that equilibrium is reached only in very special cases but not in event samples which cover a wide range of impact parameters as it is the case in experiments. The basic features of a new molecular dynamics model (UQMD) for heavy ion collisions from the Fermi energy regime up to the highest presently available energies are outlined.
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"abstract": "Quantum Molecular Dynamics (QMD) calculations of central collisions between\nheavy nuclei are used to study fragment production and the creation of\ncollective flow. It is shown that the final phase space distributions are\ncompatible with the expectations from a thermally equilibrated source, which in\naddition exhibits a collective transverse expansion. However, the microscopic\nanalyses of the transient states in the intermediate reaction stages show that\nthe event shapes are more complex and that equilibrium is reached only in very\nspecial cases but not in event samples which cover a wide range of impact\nparameters as it is the case in experiments. The basic features of a new\nmolecular dynamics model (UQMD) for heavy ion collisions from the Fermi energy\nregime up to the highest presently available energies are outlined.",
"arxiv_id": "nucl-th/9607015",
"authors": [
"J. Konopka",
"S. A. Bass",
"M. Bleicher",
"M. Brandstetter C. Ernst",
"L. Gerland",
"W. Greiner",
"S. Soff",
"C. Spieles",
"H. Stoecker",
"H. Weber",
"L. A. Winckelmann"
],
"categories": [
"nucl-th"
],
"title": "Collective flow in heavy ion reactions and the properties of excited nuclear matter",
"url": "https://arxiv.org/abs/nucl-th/9607015"
},
"schema_id": "dorsal/arxiv",
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