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Projected shell model study on nuclei near the N = Z line | | Yang Sun
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13 Nov 2002 | | Journal: | Eur.Phys.J. A20 (2004) 133-138 | | Subject: | nucl-th astro-ph nucl-ex | | Abstract: | Study of the N ~ Z nuclei in the mass-80 region is not only interesting due to the existence of abundant nuclear structure phenomena, but also important in understanding the nucleosynthesis in the rp-process. It is not feasible to apply a conventional shell model due to the necessary involvement of the g_{9/2} sub-shell. In this paper, the projected shell model is introduced to this study. Calculations are systematically performed for the collective levels as well as the quasi-particle excitations. It is demonstrated that calculations with this truncation scheme can achieve a comparable quality as the large-scale shell model diagonalizations for 48Cr, but the present method can be applied for much heavier mass regions. While the known experimental data of the yrast bands in the N ~ Z nuclei (from Se to Ru) are reasonably described, the present calculations predict the existence of K-isomeric states, some of which lie low in energy under certain structure conditions. | | Source: | arXiv, nucl-th/0211043 | | Services: | Forum | Review | PDF | Favorites | |
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