Semi-analytical approach to Coulomb breakup reactions

Coulomb dissociation of exotic nuclei has been investigated by several authors with different theoretical approaches and approximations. However a consistent fully quantum mechanical approach with three charged particles in the final state is still under investigation. The application of such a theory to radiative capture reactions (proton, neutron or alpha capture), as an indirect method in astrophysics will be a welcome step. In this context a theoretical model to describe the pure Coulomb breakup of one neutron and proton exotic nuclei within the framework of the finite range distorted-wave approximation (FRDWBA) has been presented. This method is based on plane-wave expansion of the distorted waves, which allow a separation of coordinates and, in essence, replaces integrals with sums over plane-wave state. The first test results on the breakup of 11Be on Au at 41 MeV/nucleon has been presented