Dynamical and Statistical Sequential Decay Effect on Isoscaling

TIAN Wen-Dong; MA Yu-Gang; CAI Xiang-Zhou; FANG De-Qing; WANG Hong-Wei; GUO Wei; WANG Kun

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 280-282

Dynamical and Statistical Sequential Decay Effect on Isoscaling

Institute of Applied Physics, CAS, Shanghai 201800, China

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Abstract：
Isoscaling roles have been studied for two isospin similar system by isospin dependent quantum molecular dynamical model (IQMD) and statistical sequential decay model GEMINI. For the light fragments, isoscaling parameter α increases with the reaction time, the heavy fragment presents decreasing with reaction time. α of the light fragment keeps flat, but α of the intermediate and heavy fragments is dependent on the fragment size, increases with the fragment size. Statistical sequential decay will increase isoscaling parameter α slightly, but does not change the roles in light and heavy fragments.

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TIAN Wen-Dong, MA Yu-Gang, CAI Xiang-Zhou, FANG De-Qing, WANG Hong-Wei, GUO Wei and WANG Kun. Dynamical and Statistical Sequential Decay Effect on Isoscaling[J]. Chinese Physics C, 2006, 30(S2): 280-282.

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Received: 2006-10-18
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Dynamical and Statistical Sequential Decay Effect on Isoscaling

Corresponding author: TIAN Wen-Dong,

Institute of Applied Physics, CAS, Shanghai 201800, China

Received Date: 2006-10-18
Accepted Date: 1900-01-01
Available Online: 2006-01-03

Abstract: Isoscaling roles have been studied for two isospin similar system by isospin dependent quantum molecular dynamical model (IQMD) and statistical sequential decay model GEMINI. For the light fragments, isoscaling parameter α increases with the reaction time, the heavy fragment presents decreasing with reaction time. α of the light fragment keeps flat, but α of the intermediate and heavy fragments is dependent on the fragment size, increases with the fragment size. Statistical sequential decay will increase isoscaling parameter α slightly, but does not change the roles in light and heavy fragments.