Differential, total, elastic and inelastic scattering cross sections due to the electron impact on the primary nucleic acid bases ,are calculated with relativistic Dirac partial-wave considering a local interaction potential known as spherical complex optical potential model. The electron scattering is modeled by implementing screening-corrected additivity rule, a modified form of independent atom model, over an energy range of10–20000 eV. Comparisons of results obtained in this work with other theoretical and experimental approaches are also presented.
