The wave functions and energy levels of low-lying positive-parity states of ${}_{}{}^{41}{}_{}{}^{}\mathrm{Ca}$ and ${}_{}{}^{47}{}_{}{}^{}\mathrm{Ca}$ are calculated by assuming a configuration consisting of one hole in the $2s-1d$ shell and the valence nucleons in the $1f-2p$ shell.

• Received 3 January 1967

DOI:https://doi.org/10.1103/PhysRevLett.18.292