The Division of Nuclear Charge in Fission

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Abstract
Recent measurements of fission fragment energies emphasize the difficulty of reconciling the variations in kinetic energy with current hypotheses of charge distribution. The assumption of a close relationship between charge and kinetic energy is used here to derive a new distribution. The energy associated with each possible charge division between a pair of fragments of given masses is computed and compared with the measured energy as a function of frequency for the same mass pair. In this way a charge-frequency curve is derived on the assumption that most of the variation in fragment kinetic energy is associated with variation in the division of primary charge. The marked disagreement between the charge distribution arrived at here and previous hypotheses is discussed, and the relation between charge distribution and stable nucleon shells is considered.

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