Ground-$γ$ band coupling in heavy deformed nuclei and SU(3) contraction limit

摘要: We derive analytic expressions for the energies and $B(E2)$-transition probabilities in states of ground $\gamma$ bands heavy deformed nuclei within a collective Vector-Boson Model with SU(3) dynamical symmetry. On this basis we examine behavior energy splitting B(E2) interband transition ratios contraction limits model. The theoretical analyses outline physically reasonable ways which ground-$\gamma$ band coupling vanishes. experimental data on lowest even-even rare earth actinides strongly support results. They suggest that from scheme to is situated separate irreducible representation should be realized towards midshell regions. propose generally group process play an important role such kind transitions any nuclei.