Investigation on Strongly Damped Rreactions for Very Heavy Nuclei

WU  Xi-zhen; TIAN Jun-long; LI Zhu-xia; WANG Ning; ZHAO Kai; ZHANG Yin-xun; OU Li

doi:10.11804/NuclPhysRev.23.04.408

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Article Navigation > Nuclear Physics Review > 2006 > 23(4): 408-412

WU Xi-zhen, TIAN Jun-long, LI Zhu-xia, WANG Ning, ZHAO Kai, ZHANG Yin-xun, OU Li. Investigation on Strongly Damped Rreactions for Very Heavy Nuclei[J]. Nuclear Physics Review, 2006, 23(4): 408-412. doi: 10.11804/NuclPhysRev.23.04.408

Citation:

WU Xi-zhen, TIAN Jun-long, LI Zhu-xia, WANG Ning, ZHAO Kai, ZHANG Yin-xun, OU Li. Investigation on Strongly Damped Rreactions for Very Heavy Nuclei[J]. Nuclear Physics Review, 2006, 23(4): 408-412. doi: 10.11804/NuclPhysRev.23.04.408

Investigation on Strongly Damped Rreactions for Very Heavy Nuclei

doi: 10.11804/NuclPhysRev.23.04.408

1 China Institute of Atomic Energy, Beijing 102413, China; 2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2006-12-20

Abstract

In this paper, the possibility of producing superheavy fragments through strongly damped reactions in very massive nuclear collisions is investigated. Two theoretical models, which are the phenomenologically multidimensional Langevin equation model and improved quantum molecular dynamics model developed recently by our group, are briefly reviewed. The dependence of the production probability of superheavy fragments on the incident energy, the decay mechanism of the composite systems and superheavy fragments, and the distributions of the binding energy and shapes of superheavy fragments are iscussed for reactions of 244Pu+244Pu, 238U+238U, 197Au+197Au based on the improved quantum molecular dynamics model.
- superheavy fragment,
- giant composite system,
- phenomenologically multi dimensional Langevin equation model,
- microscopic transport theory
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Investigation on Strongly Damped Rreactions for Very Heavy Nuclei

doi: 10.11804/NuclPhysRev.23.04.408

1 China Institute of Atomic Energy, Beijing 102413, China; 2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2006-12-20

Key words:

superheavy fragment /
giant composite system /
phenomenologically multi dimensional Langevin equation model /
microscopic transport theory

Abstract: In this paper, the possibility of producing superheavy fragments through strongly damped reactions in very massive nuclear collisions is investigated. Two theoretical models, which are the phenomenologically multidimensional Langevin equation model and improved quantum molecular dynamics model developed recently by our group, are briefly reviewed. The dependence of the production probability of superheavy fragments on the incident energy, the decay mechanism of the composite systems and superheavy fragments, and the distributions of the binding energy and shapes of superheavy fragments are iscussed for reactions of 244Pu+244Pu, 238U+238U, 197Au+197Au based on the improved quantum molecular dynamics model.