Investigation of surface diffuseness of colliding nuclei with respect to N/Z ratio

In the low energy heavy-ion collision, fusion of colliding nuclei and related phenomena has always been of central interest. Lot of research work is being carried out in order to best describe the value of the measured fusion cross section by fitting the nucleus-nucleus interaction potential parameters. The nucleus-nucleus interaction potential can be described with large variety of models based on microscopic/macroscopic concept. We are interested in this paper to study the dependence of diffuseness on the N/Z ratio of the colliding nuclei. To achieve this goal, we employed large number of colliding partners with N/Z ratio as high as 1.43 and three potentials based on the proximity formalism