Shell model study of the pairing correlations
Abstract
A systematic study of the pairing correlations as a function of temperature and angular momentum has been performed in the sd-shell region using the spherical shell model approach. The pairing correlations have been derived for even-even, even-odd and odd-odd systems near N=Z and also for the asymmetric case of N=Z+4. The results indicate that the pairing content and the behavior of pair correlations is similar in even-even and odd-mass nuclei. For odd-odd N=Z system, angular momentum I=0 state is an isospin, t=1 neutron-proton paired configuration. Further, these t=1 correlations are shown to be dramatically reduced for the asymmetric case of N=Z+4. The shell model results obtained are qualitatively explained within a simplified degenerate model.
Cite
@article{arxiv.0708.4268,
title = {Shell model study of the pairing correlations},
author = {J. A. Sheikh and P. A. Ganai and R. P. Singh and R. K. Bhowmick and S. Frauendorf},
journal= {arXiv preprint arXiv:0708.4268},
year = {2008}
}