Single Particle and Collective Structure for Nuclei near Sn-132
Jing-ye Zhang, Yang Sun, Mike Guidry, L. L. Riedinger, G. A. Lalazissis
Abstract
A new Nilsson single-particle structure is proposed for neutron-rich nuclei near 132Sn. In general, a large reduction in spin-orbit interaction is required and the neutron N = 82 gap persists in the new set of parameters. The ground state deformations for several isotopic chains are studied with this set and compared with the results of the standard set and with measured ones. Collective bands in two even-even, neutron-rich nuclei are calculated using the Projected Shell Model with the new set of parameters and improved agreement with existing data is found.
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