Study of Gamma Rays from the ${\mathrm{Ca}}^{43}(p,p^{\prime },\gamma ){\mathrm{Ca}}^{43}$ Reaction and the Decay of ${\mathrm{K}}^{43}$ and ${\mathrm{Sc}}^{43}$

A study has been made of the $\gamma$-ray spectra produced in the proton bombardment of ${\mathrm{Ca}}^{43}$ at proton energies of 2.550, 3.235, and 3.605 MeV. $\gamma$-ray branching ratios and excitation energies were determined for most states in ${\mathrm{Ca}}^{43}$ previously seen in decay-scheme and reaction studies up to an excitation energy of 2.25 MeV. An examination of the $\gamma$-ray spectrum following the radioactive decay of ${\mathrm{Sc}}^{43}$ shows that the $log\mathrm{ft}$ value for a transition to a possible ${\frac{9}{2}}^{-}$ state below 1.5 MeV in ${\mathrm{Ca}}^{43}$ is greater than 5.7. Examination of the decay of ${\mathrm{K}}^{43}$ shows some discrepancies with previous work.