Radiative nucleon capture - a dual approach

Abstract
The nucleon radiative capture reactions represent a great interest for possible new ways of production of therapeutic and diagnostic isotopes and also for their deep insight into the details of nuclear reaction process itself. The high-energy gammas originating from the reactions of nucleon radiative capture at incident energies close to or above 10 MeV can be described by either the semi-direct-direct model or within the pre-equilibrium approach. The detailed view on the origin of the optical model potential indicates the origin of its imaginary part. Both approaches are compared together and also to the data.