Three-Dimensonal Langevin Approach to Kinetic Energy and Mass Distribution of Fission-Fragments

Bao Jingdong

Chinese Physics C> 1998, Vol. 22> Issue(11) : 1013-1019

Three-Dimensonal Langevin Approach to Kinetic Energy and Mass Distribution of Fission-Fragments

Bao Jingdong ^,

Department of Basic Science. Beijing Meteorological College. Beijing 100081

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Abstract：
A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission. The calculations for kinetic energy and mass distribution of fission-fragments are performed in terms of the {c,h, α} parameterization,and the descent process of the fissioning nucleus from the saddle point to the scission point is simulated numerically. The dependence of the model on the choices for two types of nuclear dissipation such as two-body viscosity and one-body dissipation, as well as the scission configurations of nuclear system with finite neck is investigated.

References

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Bao Jingdong. Three-Dimensonal Langevin Approach to Kinetic Energy and Mass Distribution of Fission-Fragments[J]. Chinese Physics C, 1998, 22(11): 1013-1019.

Bao Jingdong. Three-Dimensonal Langevin Approach to Kinetic Energy and Mass Distribution of Fission-Fragments[J]. Chinese Physics C, 1998, 22(11): 1013-1019. shu

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Received: 1997-12-22
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

Three-Dimensonal Langevin Approach to Kinetic Energy and Mass Distribution of Fission-Fragments

Corresponding author: Bao Jingdong,

Department of Basic Science. Beijing Meteorological College. Beijing 100081

Received Date: 1997-12-22

Accepted Date: 1900-01-01

Available Online: 1998-11-05

Abstract: A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission. The calculations for kinetic energy and mass distribution of fission-fragments are performed in terms of the {c,h, α} parameterization,and the descent process of the fissioning nucleus from the saddle point to the scission point is simulated numerically. The dependence of the model on the choices for two types of nuclear dissipation such as two-body viscosity and one-body dissipation, as well as the scission configurations of nuclear system with finite neck is investigated.

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Three-Dimensonal Langevin Approach to Kinetic Energy and Mass Distribution of Fission-Fragments

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