Effect of Residual Interactions on Coulomb Energy Shifts in Analogue States

Abstract

The effect of residual interactions on the Coulomb energy separation between analogue states is examined in the same spirit and accuracy with which residual interactions are handled in nuclear physics. A closed-form expression allows for simple calculational procedures. The dependence on the form of the residual interaction can then be easily explored. A specific calculation is made for the Ca isotopes; the effect of configuration mixing is studied.