Study on Fragments Emission in the <sup>64</sup>Ni + <sup>64</sup>Ni Reaction at 40 AMeV

YANG Kun (杨昆); CAO Xiguang (曹喜光); SHI Fudong (石福栋); LIU Xingquan (刘星泉); ZHANG Suyalatu (张苏雅拉吐); HUANG Meirong (黄美容); WANG Jiansong (王建松); CHEN Zhiqiang (陈志强); et al

doi:10.1088/1009-0630/14/5/09

Plasma Science and Technology > 2012 > 14(5): 386-389. > DOI: 10.1088/1009-0630/14/5/09

YANG Kun (杨昆), CAO Xiguang (曹喜光), SHI Fudong (石福栋), LIU Xingquan (刘星泉), ZHANG Suyalatu (张苏雅拉吐), HUANG Meirong (黄美容), WANG Jiansong (王建松), CHEN Zhiqiang (陈志强), et al. Study on Fragments Emission in the ⁶⁴Ni + ⁶⁴Ni Reaction at 40 AMeV[J]. Plasma Science and Technology, 2012, 14(5): 386-389. DOI: 10.1088/1009-0630/14/5/09

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Study on Fragments Emission in the ⁶⁴Ni + ⁶⁴Ni Reaction at 40 AMeV

1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China 3 Cyclotron Institute, Texas A&M University, College Station, TX 77843, USA 4 Institute of Physics, Silesia University, Katowice, Poland 5FNRS and IPN, Université Catholique de Louvain, B-1348 Louvain-Neuve, Belgium 6 Laboratori Nazionali del Sud, INFN, via Santa Sofia, 62, 95123 Catania, Italy

Funds: supported by the National Natural Science Foundation of China (No. 11075189) and “100 Persons Project” of the Chinese Academy of Sciences (Nos.0910020BRO, Y010110BRO).

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Received Date: May 16, 2011

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Abstract

Abstract

The multiplicity of fragments in Fermi energy heavy-ion collisions was experimentally extracted. Compared with the results of calculation using the antisymmetrized molecular dynamics (AMD) model which accounts for the primary fragments only, the results calculated using the AMD together with a statistical decay code GEMINI to account for the deexcitation of excited primary fragments are in better agreement with those extracted from the experiment. This observation indicates that the experimental multiplicity distribution may be significantly different from those of primary fragments.
- fragments,
- multiplicity,
- secondary decay

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