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用改进的多通道和无规颈断裂模型，计算了能量Ｅｎ＝０—６ＭｅＶ的中子诱发２３３Ｕ、２３５Ｕ裂变和Ｅｎ＝１．３—５．３ＭｅＶ中子诱发２３８Ｕ裂变的碎片的质量分布、动能分布和瞬发中子数分布，理论计算在定量上与实验符合较好．
Using improved multichannel and random neck fracture models, the mass distributions of neutron-induced 238U, 235U fission and En = 1.3-5.3MeV neutron-induced 238U fission neutron with energy En = 0-6MeV were calculated. The kinetic energy Distribution and instantaneous neutron number distribution, the theoretical calculation is in good agreement with the experiment.