The structure of the low-lying levels in odd-mass gallium isotopes is investigated within the framework of the semimicroscopic model, assuming three protons coupled to a quadrupole vibrator. A detailed comparison with experiments is performed for ${}_{}{}^{69}{}_{}{}^{}\mathrm{Ga}$.

• Received 13 January 1972

DOI:https://doi.org/10.1103/PhysRevC.6.187