Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 723, Issue -, Pages 36-46Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2013.04.078
Keywords
Statistical multi-fragmentation model; Fragmentation cross-section; Relativistic energy; Heavy ions; Excitation energy; Monte-Carlo simulation
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Funding
- [24860072]
- Grants-in-Aid for Scientific Research [24860072] Funding Source: KAKEN
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The fragmentation cross-sections of relativistic energy nucleus nucleus collisions were analyzed using the statistical multi-fragmentation model (SMM) incorporated with the Monte-Carlo radiation transport simulation code particle and heavy ion transport code system (PHITS). Comparison with the literature data showed that PHITS-SMM reproduces fragmentation cross-sections of heavy nuclei at relativistic energies better than the original PHITS by up to two orders of magnitude. It was also found that SMM does not degrade the neutron production cross-sections in heavy ion collisions or the fragmentation cross-sections of light nuclei, for which SMM has not been benchmarked. Therefore, SMM is a robust model that can supplement conventional nucleus nucleus reaction models, enabling more accurate prediction of fragmentation cross-sections. (C) 2013 Elsevier B.V. All rights reserved.
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