dorsal/arxiv
View SchemaMicrocanonical studies concerning the recent experimental evaluations of the nuclear caloric curve
| Authors | Al. H. Raduta, Ad. R. Raduta |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9908088 |
| URL | https://arxiv.org/abs/nucl-th/9908088 |
| DOI | 10.1103/PhysRevC.61.034611 |
| Journal | Phys.Rev. C61 (2000) 034611 |
Abstract
The microcanonical multifragmentation model from [Al. H. Raduta and Ad. R. Raduta, Phys. Rev. C 55, 1344 (1997); 56, 2059 (1997); 59, 323 (1999)] is refined and improved by taking into account the experimental discrete levels for fragments with $A \le 6$ and by including the stage of sequential decay of the primary excited fragments. The caloric curve is reevaluated and the heat capacity at constant volume curve is represented as a function of excitation energy and temperature. The sequence of equilibrated sources formed in the reactions studied by the ALADIN group ($^{197}$Au+$^{197}$Au at 600, 800 and 1000 MeV/nucleon bombarding energy) is deduced by fitting simultaneously the model predicted mean multiplicity of intermediate mass fragments ($M_{IMF}$) and charge asymmetry of the two largest fragments ($a_{12}$) versus bound charge ($Z_{bound}$) on the corresponding experimental data. Calculated HeLi isotopic temperature curves as a function of the bound charge are compared with the experimentally deduced ones.
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"abstract": "The microcanonical multifragmentation model from [Al. H. Raduta and Ad. R.\nRaduta, Phys. Rev. C 55, 1344 (1997); 56, 2059 (1997); 59, 323 (1999)] is\nrefined and improved by taking into account the experimental discrete levels\nfor fragments with $A \\le 6$ and by including the stage of sequential decay of\nthe primary excited fragments. The caloric curve is reevaluated and the heat\ncapacity at constant volume curve is represented as a function of excitation\nenergy and temperature. The sequence of equilibrated sources formed in the\nreactions studied by the ALADIN group ($^{197}$Au+$^{197}$Au at 600, 800 and\n1000 MeV/nucleon bombarding energy) is deduced by fitting simultaneously the\nmodel predicted mean multiplicity of intermediate mass fragments ($M_{IMF}$)\nand charge asymmetry of the two largest fragments ($a_{12}$) versus bound\ncharge ($Z_{bound}$) on the corresponding experimental data. Calculated HeLi\nisotopic temperature curves as a function of the bound charge are compared with\nthe experimentally deduced ones.",
"arxiv_id": "nucl-th/9908088",
"authors": [
"Al. H. Raduta",
"Ad. R. Raduta"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.61.034611",
"journal_ref": "Phys.Rev. C61 (2000) 034611",
"title": "Microcanonical studies concerning the recent experimental evaluations of the nuclear caloric curve",
"url": "https://arxiv.org/abs/nucl-th/9908088"
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