Neutron strength functions from model equilibrium deformations for transuranic nuclei

Abstract

Average neutron s-, p- and d-wave strength functions for 58 heavy, doubly even rotor nuclei from 220Em to 262(104) have been calculated with a strong coupling deformed nucleus model using single-particle potential equilibrium deformations derived from projected wave functions with and without a charge term, BCS functions and an independent-particle-model approximation. The optical-model potentials employed have been corrected for both the symmetry number and the Coulomb parameter. In comparison to existing strength function data, it is found that although the differences between the models is often less than the uncertainties assigned to the measurements, for s-waves, the general agreement is better for those model variants which include a Coulomb term in the potential.