Study on Isotopic Distribution Produced by Nucleus-Nucleus Collisions with Modified SAA Model

ZHONG Chen; FANG De-Qing; CAI Xiang-Zhou; SHEN Wen-Qing; ZHANG Hu-Yong; WEI Yi-Bin; MA Yu-Gang

Chinese Physics C> 2003, Vol. 27> Issue(1) : 39-43

Study on Isotopic Distribution Produced by Nucleus-Nucleus Collisions with Modified SAA Model

Shanghai Institute of Nuclear Research,CAS,Shanghai 201800, China

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Abstract：
Base on Brohm's Statistic-Ablation-Abrasion (SAA) model, the modified SAA model was developed via introducing the isospin dependence of nucleon distribution in nucleus and parameterized formulas for nucleon-nucleon cross section in nuclear matter. It can simulate well the isotopic distribution at both high and intermediate energies. By the improvement of computational method, the range of calculation of isotopic distribution can be increased from three order magnitude to eight order magnitude (even higher) . It can reproduce experimental data and predict the isotopic distribution for very far from stability line which is very important from experimental viewpoint.

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ZHONG Chen, FANG De-Qing, CAI Xiang-Zhou, SHEN Wen-Qing, ZHANG Hu-Yong, WEI Yi-Bin and MA Yu-Gang. Study on Isotopic Distribution Produced by Nucleus-Nucleus Collisions with Modified SAA Model[J]. Chinese Physics C, 2003, 27(1): 39-43.

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Received: 2002-01-06
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on Isotopic Distribution Produced by Nucleus-Nucleus Collisions with Modified SAA Model

Corresponding author: ZHONG Chen,

Shanghai Institute of Nuclear Research,CAS,Shanghai 201800, China

Received Date: 2002-01-06

Accepted Date: 1900-01-01

Available Online: 2003-01-05

Abstract: Base on Brohm's Statistic-Ablation-Abrasion (SAA) model, the modified SAA model was developed via introducing the isospin dependence of nucleon distribution in nucleus and parameterized formulas for nucleon-nucleon cross section in nuclear matter. It can simulate well the isotopic distribution at both high and intermediate energies. By the improvement of computational method, the range of calculation of isotopic distribution can be increased from three order magnitude to eight order magnitude (even higher) . It can reproduce experimental data and predict the isotopic distribution for very far from stability line which is very important from experimental viewpoint.

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Study on Isotopic Distribution Produced by Nucleus-Nucleus Collisions with Modified SAA Model

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