Study of theAr40(He3, d)K41reaction

The ${}_{}{}^{40}{}_{}{}^{}\mathrm{Ar}({}_{}{}^3{}_{}{}^{}\mathrm{He}, d){}_{}{}^{41}{}_{}{}^{}\mathrm{K}$ reaction has been studied at a bombarding energy of 18 MeV. The ${}_{}{}^{40}{}_{}{}^{}\mathrm{Ar}$ target was contained in a gas cell with no entrance window. Excitation energies and angular distributions were obtained for 80 levels below $E_x=7.8\mathrm{}$ MeV in ${}_{}{}^{41}{}_{}{}^{}\mathrm{K}$. A distorted-wave analysis was used to determine $l$ values and spectroscopic strengths. The proton configurations of ${}_{}{}^{41}{}_{}{}^{}\mathrm{K}$ are examined in comparison with previous data on reactions and radioactive decay.