A particle-quasiparticle description of sup(112, 114, 116)Sb, ch. 8

A simple description of the even Sb isotopes, for which no calculations have been published earlier, is that of a proton coupled to a number projected neutron quasi-particle wave function, assuming a Z = N = 50 core. Such a calculation was performed for sup(112, 114, 116)Sb, for which nuclei sufficient experimental information is available. The spectra and transition rates were calculated in shell-model spaces consisting of five and eight subshells and using a Gaussian Serber force. The shell-model parameters were derived from experimental data of the adjacent nuclei. A large number of low-lying levels, their branching ratios and half-lives were calculated. Reasonable agreement with experimental data was obtained. The calculated magnetic moments of the isomeric 8- states did not show the experimental trend however. Spectroscopic factors for the (3He, d) reaction on 115Sn are predicted. Their experimental determination would be another helpful test of the interpretations given