Dynamic Study on Entrance-Channel Effects in Heavy-Ion Fusion Reactions

LI Xue-Qin; ZHANG Ying-Xun; TIAN Jun-Long; LI Zhu-Xia; WU Xi-Zhen; ZHU Li-Hua

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 196-198

Dynamic Study on Entrance-Channel Effects in Heavy-Ion Fusion Reactions

China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
The entrance-channel effects and dynamical mechanisms on the fusion reaction of ⁷⁴Ge+⁷⁴Ge and ⁴⁸Ti+¹⁰⁰Mo are studied with the microscopic transport model-Improved Quantum Molecular Model(ImQMD). The time evolution of the〈r²〉^1/2 and β of the compound nuclei are analyzed, and these results show that the lager deformation of the compound nuclei are more easily produced for the mass symmetry reaction system ⁷⁴Ge+⁷⁴Ge than that for the mass asymmetry reaction system ⁴⁸Ti+¹⁰⁰Mo. The final results on the larger deformed compound nuclei are determined by this dynamical process.

References

[1]	. ZHU L H et al. Nuclear Physics, 1998, A635: 325-3452. Szanto A et al. Phys. Rev., 1996, C54: 3290-32933. WANG Ning et al. Phys. Rev., 2004, A635: 064608; Phys.Rev., 2003, C67: 024604; Phys. Rev., 2004, C69: 0346084. Tsang M B et al. Phys. Rev. Lett., 2001, 86: 5023

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LI Xue-Qin, ZHANG Ying-Xun, TIAN Jun-Long, LI Zhu-Xia, WU Xi-Zhen and ZHU Li-Hua. Dynamic Study on Entrance-Channel Effects in Heavy-Ion Fusion Reactions[J]. Chinese Physics C, 2006, 30(S2): 196-198.

LI Xue-Qin, ZHANG Ying-Xun, TIAN Jun-Long, LI Zhu-Xia, WU Xi-Zhen and ZHU Li-Hua. Dynamic Study on Entrance-Channel Effects in Heavy-Ion Fusion Reactions[J]. Chinese Physics C, 2006, 30(S2): 196-198. shu

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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

Dynamic Study on Entrance-Channel Effects in Heavy-Ion Fusion Reactions

Corresponding author: LI Xue-Qin,

China Institute of Atomic Energy, Beijing 102413, China

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

Abstract: The entrance-channel effects and dynamical mechanisms on the fusion reaction of ⁷⁴Ge+⁷⁴Ge and ⁴⁸Ti+¹⁰⁰Mo are studied with the microscopic transport model-Improved Quantum Molecular Model(ImQMD). The time evolution of the〈r²〉^1/2 and β of the compound nuclei are analyzed, and these results show that the lager deformation of the compound nuclei are more easily produced for the mass symmetry reaction system ⁷⁴Ge+⁷⁴Ge than that for the mass asymmetry reaction system ⁴⁸Ti+¹⁰⁰Mo. The final results on the larger deformed compound nuclei are determined by this dynamical process.