Behavior of odd-even mass staggering around 132Sn
Abstract
We have performed shell-model calculations of binding energies of nuclei around 132Sn. The main aim of our study has been to find out if the behavior of odd-even staggering across N=82 is explainable in terms of the shell model. In our calculations, we have employed realistic low-momentum two-body effective interactions derived from the CD-Bonn nucleon-nucleon potential that have already proved quite successful in describing the spectroscopic properties of nuclei in the 132Sn region. Comparison shows that our results fully explains the trend of the experimental staggering.
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