True ternary fission of 236U: A sequential mechanism?

A mechanism is proposed and calculations are performed to explain the true ternary fission of 236U nuclei experimentally observed via the missing mass method. The yield of the first excited fragment 72Ni after the emission of neutrons corresponds to the most probable 68Ni yield obtained in the experiment. The good agreement between the theoretical results and the experimental data means that the assumption of the sequential mechanism for true ternary fission is reasonable and that shell effects should be considered in the theoretical model.

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