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首页> 外文期刊>The European Physical Journal, A. Hadrons and Nuclei >Study of fission dynamics with the three-dimensional Langevin equations
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Study of fission dynamics with the three-dimensional Langevin equations

机译：三维Langevin方程的裂变动力学研究

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摘要

The dynamics of fission has been studied by solving one- and three-dimensional Langevin equations with dissipation generated through the chaos weighted wall and window friction formula. The average prescission neutron multiplicities, fission probabilities and the mean fission times have been calculated in a broad range of the excitation energy for compound nuclei ~(210)Po and ~(224)Th formed in the fusion-fission reactions ~4He + ~(206)Pb, ~(16)O + ~(208)Pb and results compared with the experimental data. The analysis of the results shows that the average prescission neutron multiplicities, fission probabilities and the mean fission times calculated by one- and three-dimensional Langevin equations are different from each other, and also the results obtained based on three-dimensional Langevin equations are in better agreement with the experimental data.
机译：通过求解一维和三维Langevin方程，研究了裂变的动力学，该方程具有通过混沌加权壁和窗摩擦公式生成的耗散。在大范围的聚变裂变反应〜4He +〜（）中形成的复合核〜（210）Po和〜（224）Th的激发能范围内，计算了平均中子多重折裂率，裂变概率和平均裂变时间。 206）Pb，〜（16）O +〜（208）Pb，并将结果与​​实验数据进行比较。结果分析表明，一维和三维兰格文方程计算的平均中子多重折裂率，裂变概率和平均裂变时间互不相同，而且基于三维兰格文方程获得的结果在与实验数据更好地吻合。

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