Abstract
The structure of the natural and unnatural parity states of the15N-15O mirror pair, as well as theT=3/2 analogue states of15C, is discussed in terms of shell model calculations with a modified surface delta two-body interaction. The inert core is recomposed from4He to12C and the configuration space is systematically expanded to allow for an increasing number of particle excitations from the 1p into the 2s-1d shell. The relative importance of the 2s 1/2, 1d 5/2 and 1d 3/2 orbitals are evaluated. Some electromagnetic properties of levels are also calculated.
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The authors are very much indebted to their colleague, Prof. J.H. van der Merwe for helpful discussions and to Drs. P. W. M. Glaudemans and J.F.A. van Hienen of the Fysisch Laboratorium der Rijksuniversiteit, Utrecht, Netherlands for availing some of their shell-model codes. Prof. W. Greiner of the Institut für Theoretische Physik der Universität, Frankfurt/M, Germany is thanked for his valuable criticism.
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Saayman, R., de Kock, P.R. The effect of expansion of the shell model space on the structure of the mass-15 nuclei. Z. Physik 266, 83–94 (1974). https://doi.org/10.1007/BF01668706
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DOI: https://doi.org/10.1007/BF01668706