Isospin Mixing in Light Nuclei

Abstract

Isospin mixing matrix elements are calculated for several pairs of mixed T = 0 and 1 states in aBe, 12C and 160, using an extension of the method of Dalton and Robson (1966). This includes contributions due to differences between neutron and proton wavefunctions produced in the asymptotic region by the Coulomb force, as well as the internal Coulomb contribution. These cases provide no evidence for a charge-dependent nuclear interaction other than the Coulomb interaction.