Abstract
The potential energy surface of is analyzed in the scission region within an elaborate macroscopic–microscopic approach, using the Lublin–Strasbourg-drop model, an improved Strutinsky shell-correction method and the BCS (Bardeen–Cooper–Schrieffer) treatment of pairing. The modified funny-hills nuclear shape parameterization, used in the present study, is further improved by introducing new collective coordinates κ and ψ for the elongation and neck-constriction. These variables are shown to be very well suited for the scission region. Within a limited number of dimensions, the model is able to explain fission modes in the actinide region. More specifically, the present work indicates that the peak of the mass distribution at in the low-energy fission of is mainly caused by strong neutron shell corrections.
Published Version
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