The apparent contradiction between alpha strengths of ${11/2}^{\mathrm{-}}$ states in ${}_{}{}^{19}{}_{}{}^{}\mathrm{F}$ and their E2 decays to ${7/2}^{\mathrm{-}}$ states is removed by considering configuration mixing in both ${7/2}^{\mathrm{-}}$ and ${11/2}^{\mathrm{-}}$ states.

• Received 20 October 1986

DOI:https://doi.org/10.1103/PhysRevC.35.1141