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用统计模型分析级联裂变，假设复合核首先分裂为两裂变碎片，其质量分布与实验分布一致，跟踪所有质量上可能的裂变碎片和所有能量上可能的衰变过程，统计裂变碎片再次裂变的几率，证明级联裂变模式基本上与三分裂的实验相符，复合核系统的激发能越高，裂片的质量越大，再裂的几率也就越大．
The statistical model is used to analyze the cascading fission. Assuming that the composite core first splits into two fissile fragments, the mass distribution is consistent with the experimental distribution, keeping track of all possible mass fission fragments and all possible decay processes in energy, and counting the probability of fission fragments re-fission , It is proved that the cascade fission mode is basically consistent with the experiment of three-split. The higher the excitation energy of the composite nuclear system, the greater the quality of the split and the greater the probability of cracking.