Study of 39K levels via the 39K(α, α') reaction

The ³⁹K(α, α') reaction has been studied at E_α = 31 MeV. A number of hole-core coupled states were identified by their strong excitations with angular momentum transfers of L = 3 or 5. The L = 3 transitions showed fairly good agreement with strengths predicted from holecore coupled wave functions. However, agreement between experiment and theory for the states excited by L = 5 excitations $\text{(}\text{11}\text{2}{}^{\mathrm{?}}\text{and}\text{13}\text{2}{}^{\mathrm{?}}\text{levels}\text{)}$ requires accounting for the blocking effects in the wave functions for these levels.