CALCULATION OF THE NUCLEAR FISSION RATE BY SOLVING F-P EQUATION NUMERICALLY

WU XI-ZHEN; ZHUO YI-ZHONG; CHANG XI-ZHEN; YANG YING-HUI; MA ZHONG-YU; FENG REN-FA

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1983, Vol. 7> Issue(6) : 716-723

CALCULATION OF THE NUCLEAR FISSION RATE BY SOLVING F-P EQUATION NUMERICALLY

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Abstract：
In this paper, the two dimensional Fokker-Planck Equation is exactly solved by means of the numerical method. The velocity distribution at the saddle point, the second moments of the coordinate and velocity, the time development of the nuclear fission rate are studied. The maximum of the fission rate at a certain viscosity is exhibited by studying the dependence of the fission rate on the nuclear viscosity.

References

[1]	H. A. Kramers, Physica, 7(1940), 284.[2] 吴锡真、卓益忠, 高能物理与核物理, 4(1980), 113.[3] P. Grange and H. A. Weidenmuller, Physical Letters, 96B(1980), 26.[4] 卓益忠等, 私人通讯.[5] Yang Ying-hui, Wu Xi-zhen, Peng Qing-quail, Numerical Method of Two Dmensional Fokker-Planck Equation, to he published.

[1]	JIA Ying , LIU Ling , BAO Jing-Dong . Thermal Fission Rate of a Compound Nucleus at High Temperatures. Chinese Physics C, 2003, 27(7): 610-614.
[2]	SHI KangJie , LI GuangLiang , FAN Heng , YUE RuiHong , HOU BoYu . Constant Solutions to the Reflection Equation of 19 vertex Model. Chinese Physics C, 2000, 24(1): 21-34.
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[4]	Shi Kangiie , Li Guangliang , Fan Heng , Hou Boyu . Polyparametioner Solution to the Renflection Equationin the A_n－1⁽¹⁾ Face Model. Chinese Physics C, 1999, 23(12): 1163-1170.
[5]	Shi Kangiie , Li Guangliang , Fan Heng , Hou Boyu . Multi-Parameter Solution to the Reflection Equation of Z_n Belavin Model. Chinese Physics C, 1999, 23(5): 425-435.
[6]	Zhang Jun , Guo Hanying , Yan Hong . Knitting Ansatz and Solutions to Yang-Baxter Equation. Chinese Physics C, 1997, 21(8): 714-719.
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[10]	DI Yao-Min , HA Yi-Ming , FU De-Ji , XU Gong-Ou . The Solution of Dynamical Equation of Motion of IBM-Ⅱ in Continuous Variable Representation. Chinese Physics C, 1993, 17(6): 559-567.
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WU XI-ZHEN, ZHUO YI-ZHONG, CHANG XI-ZHEN, YANG YING-HUI, MA ZHONG-YU and FENG REN-FA. CALCULATION OF THE NUCLEAR FISSION RATE BY SOLVING F-P EQUATION NUMERICALLY[J]. Chinese Physics C, 1983, 7(6): 716-723.

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Received: 1900-01-01
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

CALCULATION OF THE NUCLEAR FISSION RATE BY SOLVING F-P EQUATION NUMERICALLY

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1983-12-05

Abstract: In this paper, the two dimensional Fokker-Planck Equation is exactly solved by means of the numerical method. The velocity distribution at the saddle point, the second moments of the coordinate and velocity, the time development of the nuclear fission rate are studied. The maximum of the fission rate at a certain viscosity is exhibited by studying the dependence of the fission rate on the nuclear viscosity.