Short-lived proton radioactivity studies at HRIBF

An accurate determination of the experimental spectroscopic factor of proton emitting nuclei precisely defines the main component of the proton wave function for the unbound state. However, this has proven difficult for nuclei with Z⩽71 due to the unknown beta-branching ratios involved. One way to solve this problem is to study proton-emitters with half-lives far too short for beta-emission to compete. Recent work at the Holifield Radioactive Ion Beam Facility has produced information on 141mHo, 145Tm, 150mLu and 151mLu, all of which have half-lives in the μs region. A comparison between calculated and experimental spectroscopic factors for these nuclei is given.