  Relativistic mean field calculations have been performed to obtain nuclear
density pro- file. Microscopic interactions have been folded with the
calculated densities of finite nuclei to obtain a semi-microscopic potential.
Life time values for the emission of proton, alpha particles and complex
clusters have been calculated in the WKB approach assum- ing a tunneling
process through the potential barrier. Elastic scattering cross sections have
been estimated for proton-nucleus scattering in light neutron rich nuclei. Low
en- ergy proton reactions have been studied and their astrophysical
implications have been discussed. The success of the semi-microscopic
potentials obtained in the folding model with RMF densities in explaining
nuclear decays and reactions has been emphasized.
