Folding model analysis of 12,13C+12C and 16O+12C scattering at intermediate energies using a density-dependent interaction

Scattering data for 12C+12C, 13C+12C, and 16O+12C at energies E/A=9 to 120 MeV per nucleon have been analyzed using a folded potential based on the density- and energy-dependent DDM3Y interaction. The renormalization required for the real potential is about unity at all energies. A unified description of these data is obtained with a relatively weakly absorbing imaginary potential. Furthermore, only this type of potential provides a successful description of the 12C+12C data at 140 and 159 MeV which cover almost the whole angular range. Potential ambiguities are discussed. (orig.)