Study of shape evolution and electromagnetic properties in neutron-rich Zr and Sr isotopes

Abstract

The projected shell model calculations have been carried out in neutron-rich 100–108Zr and 98–102Sr isotopes. The shape evolution and electromagnetic properties have been examined in neutron-rich Zr and Sr isotopes around N = 60. The structure of yrast states, backbending phenomena, g-factors and B(E2) transition probabilities are calculated and compared with corresponding observable quantities. The present calculations predict the occurrence of coexistence of prolate-oblate shapes at 0+ state in 100,102Zr and 98,100Sr. Nuclei beyond N = 62 are predicted to have prolate deformation in the ground-state.