Strength of the Q[pi] [middle dot] Q[nu] interaction and the strong-coupled pseudo-SU(3) limit

The suitability of pseudo SU(3) strong coupled wave functions in representing the normal parity part of yrast eigenstates of systems with protons and neutrons filling different major shells and interacting with one another via a Q[pi] [middle dot] Q[nu] interaction is explored. In addition, we find that the overlaps of yrast eigenstates of H with the leading SU(3) symmetry follow the correlation of Q [middle dot] Q with H very closely and are large even when Q[pi] [middle dot] Q[nu] contributes less than half to the full width of the eigenvalue spectrum of H. The results sugges that the pseudo-SU(3) coupling scheme will prove useful in microscopic shell-model studies of high-spin phenomena in rare earth and actinide nuclei.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/23953/1/0000200.pd