An international journal published by K. N. Toosi University of Technology

Document Type : Research Article


Department of Physics‎, ‎Faculty of Science‎, ‎Hakim Sabzevari University‎, ‎P.O‎. ‎Box 397‎, ‎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.


  • The saturation property of NM leads to appear a shallow pocket in the inner regions of the potential.
  • Fusion hindrance phenomenon occurs at energies below Ec.m. = 87.29 MeV for 58Ni+54Fe colliding system.
  • The incompressibility e ects are responsible for describing the measured fusion cross sections of 58Ni+54Fe.
  • Results show reasonable agreements with the experimental data of the S(E) and L(E) factors.


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