1995
DOI: 10.1016/0370-2693(94)01538-n
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A schematic model for fragmentation and phase transition in nuclear collisions

Abstract: We develop here a simple yet versatile model for nuclear fragmentation in heavy ion collisions. The model allows us to calculate thermodynamic properties such as phase transitions as well as the distribution of fragments at disassembly. In spite of its simplicity the model gives very good fit to recent data taken at the Michigan National Superconducting Cyclotron Laboratory.The model is an extension of a lattice gas model which itself has strong overlaps with percolation models which have been used in the past… Show more

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Cited by 44 publications
(44 citation statements)
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“…A smaller degree of memory loss ensues in models such as those of refs. [10,26,27], where few, if any, particle unbound states are considered. The approach of ref.…”
Section: Influence Of Secondary Decaymentioning
confidence: 99%
“…A smaller degree of memory loss ensues in models such as those of refs. [10,26,27], where few, if any, particle unbound states are considered. The approach of ref.…”
Section: Influence Of Secondary Decaymentioning
confidence: 99%
“…The lattice gas model was developed to describe the liquid-gas phase transition for atomic system by Lee and Yang [16]. The same model has already been applied to nuclear physics for isospin symmetrical systems in the grandcanonical ensemble [17] with a sampling of the canonical ensemble [3,4,18,19,20,21,22], and also for isospin asymmetrical nuclear matter in the mean field approximation [23]. In addition, a classical molecular dynamical model is used to compare its results with the results of lattice gas model.…”
mentioning
confidence: 99%
“…This method is similar to the Coniglio-Klein's prescription [24] in condensed matter physics and was shown to be valid in LGM [3,4,19,21]. To calculate clusters using MD we propagate the particles from the initial configuration for a long time under the influence of the chosen force.…”
mentioning
confidence: 99%
“…In LGM, ρ f = 0.18ρ 0 and 0.60ρ 0 correspond to 9 3 and 6 3 cubic lattice, respectively. ρ f = 0.38ρ 0 corresponds to 7 3 cubic lattice since in most cases it is chosen, which corresponds to the experimental data between 0.3ρ 0 and 0.4ρ 0 [249,250,251]. For the MD simulation, 0.38ρ 0 was taken in the situations of with/without the Coulomb interactions.…”
Section: System Information Entropy As Liquid-gas Transition Indicatormentioning
confidence: 99%