‎Reza Gharaei - Department of Physics‎, ‎Faculty of Science‎, ‎Hakim Sabzevari University‎, ‎P.O‎. ‎Box ۳۹۷‎, ‎Sabzevar‎, ‎Iran

The role of saturation property of cold nuclear matter is‎ ‎examined in order to describe the steep falloff phenomenon of the‎ ‎measured fusion cross sections at energies far below the Coulomb‎ ‎barrier for 58Ni+54Fe colliding system‎. ‎For this aim‎, ‎the‎ ‎double-folding microscopic approach which is modified by modeling‎ ‎the repulsive core effects in the nucleon-nucleon interactions is‎ ‎used to calculate the nuclear interaction potential‎. ‎Moreover‎, ‎the‎ ‎theoretical values of the fusion cross section‎, ‎S factor‎, ‎and‎ ‎the logarithmic derivative are computed using the coupled-channel‎ ‎technique‎, ‎including couplings to the low-lying 2+ and 3-‎ ‎states in target and projectile‎. ‎The results obtained reveal that‎ ‎the corrective effects of cold nuclear matter can be responsible for‎ ‎the description of the fusion hindrance phenomenon in our chosen system‎.

‎Heavy-ion fusion reactions, ‎Fusion hindrance, ‎Phenomenon, ‎Repulsive core effects, ‎Double-folding model‎