Abstract

Abstract A calculation of the positive parity states for A = 15 has been performed in a weak coupling approach. Based on particles in the sd shell and holes in the p-shell the final eigenstates are found to be admixtures of 1p−2h T h = 0, 1p−2h T h = 1 and 3p−4h configurations. Good agreement is obtained with the experimental energy levels below 10 MeV. In 15 O an additional 5 2 + state is predicted at 8–9 MeV excitation energy. The wave functions are compared with the structure informations obtained from direct reactions. The electromagnetic decay properties are investigated and in most cases we find good agreement with experiment.

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