Comparisons of statistical multifragmentation and evaporation models for heavy-ion collisions

Abstract : The results from ten statistical multifragmentation models have been compared with each other using selected experimental observables. Even though details in any single observable may differ, the general trends among models are similar. Thus, these models and similar ones are very good in providing important physics insights especially for general properties of the primary fragments and the multifragmentation process. Mean values and ratios of observables are also less sensitive to individual differences in the models. In addition to multifragmentation models, we have compared results from five commonly used evaporation codes. The fluctuations in isotope yield ratios are found to be a good indicator to evaluate the sequential decay implementation in the code. The systems and the observables studied here can be used as benchmarks for the development of statistical multifragmentation models and evaporation codes.
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Submitted on : Wednesday, December 6, 2006 - 8:55:07 AM
Last modification on : Tuesday, February 19, 2019 - 10:02:03 AM

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M. B. Tsang, R. Bougault, R. Charity, D. Durand, W.A. Friedman, et al.. Comparisons of statistical multifragmentation and evaporation models for heavy-ion collisions. European Physical Journal A, EDP Sciences, 2006, 30, pp.129-139. ⟨10.1140/epja/i2006-10111-0⟩. ⟨in2p3-00118535⟩

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