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Oscillation of Hot Fissioning Nuclei around a Saddle Point |
| BAO Jing-Dong1,2;Lü Kun1;LIU Ling1;JIA Ying1 |
| 1The Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing 100875
2Department of Physics, Beijing Normal University, Beijing 100875 |
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| Cite this article: |
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BAO Jing-Dong, Lü Kun, LIU Ling et al 2005 Chin. Phys. Lett. 22 1880-1883 |
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Abstract Three time scales of a fissioning nucleus starting from the ground state to the scission point are defined and calculated by the Monte Carlo method. The result shows that the time of oscillating around the saddle point is longer than both the mean first passage time from the ground state to the saddle point and the time of descent from the saddle to scission points. Thus it is suggested that more neutrons could be emitted from a hot heavy fissioning nucleus during the period of the stretching and contracting of the deformation process.
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| Keywords:
24.75.+i
05.70.Jk
05.40.-a
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Published: 01 August 2005
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| PACS: |
24.75.+i
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(General properties of fission)
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05.70.Jk
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(Critical point phenomena)
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05.40.-a
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(Fluctuation phenomena, random processes, noise, and Brownian motion)
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