Abstract

The decay properties of proton-rich nuclei with Z=19--30 are investigated using measured binding energies of the analog neutron-rich nuclei and Coulomb energy shifts deduced from a parametrization of measured Coulomb displacement energies. Predicted binding energies and separation energies are compared where possible with previous calculations; in most cases the calculations agree within the quoted uncertainties. The positions of the one-proton and diproton drip lines are determined from the calculated separation energies. It is suggested that good candidates for the observation of correlated two-proton emission are $^{34}\mathrm{Ca}$, $^{38,39}\mathrm{Ti}$, $^{45}\mathrm{Fe}$, $^{48}\mathrm{Ni}$, and $^{54}\mathrm{Zn}$. \textcopyright{} 1996 The American Physical Society.

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