Non-normal parity states in mass 10–15 nuclei |
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Authors: | W A Richter P R de Kock |
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Institution: | 1. Merensky Institute for Physics, University of Stellenbosch, Republic of South Africa
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Abstract: | The modified surface delta interaction (MSDI) is used as the effective two-nucleon residual interaction in extensive shell-model calculations forA=10–15 nuclei; a He-4 core andj-j coupled extra-core nucleon configurations of the formP 3/2 n P 1/2 m (1d 5/2,2s 1/2)1 are employed. Level energies and wave functions for low-lying non-normal parity states are first obtained from a simultaneous fit to experimental energies over the entire 10–15 mass range. The wave functions are next tested by comparing predicted nuclear properties with experimental data: single-nucleon spectroscopic factors, beta decay lifetimes,M1 andE2 radiative transition widths as well asE1 andM2 radiative widths are calculated. In general good agreement between experiment and theory is obtained. |
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