Iranian Journal of Physics Research

Role of Repulsive Interactions in Sub-Barrier Fusion Cross Sections

Articles in Press

Document Type : Original Article

Authors

Arezou Hadikhani 1
Reza Gharaei 2
Seyed Ali Asghar Alavi 1

1 Departmen of Physics, Hakim Sabzevari University, Sabzevar, Iran

2 Department of Physics, Faculty of Science, Ferdowsi University of Mashhad

Abstract
An attempt has been made to modify the original version of the Aage Winther 1995 (AW 95) potential by adding a Gaussian positive part as VRexp(-br2) to investigate the effect of the repulsive cores in the sub-barrier fusion cross sections. In order to achieve this goal, we select and evaluate 6 heavy ion fusion reactions with 392≤Z_1 Z_2≤784 (including 58Ni+54Fe, 58Ni+58Ni, 64Ni+64Ni, 16O+208Pb, 28Si+64Ni, 28Si+100Mo). The obtained results reveal that the original version of the AW potential supplemented with Gaussian positive part has been successful in reproducing the fusion excitation data for various considered systems.

Keywords

Heavy ion fusion reactions
proximity formalism
coupled-channels calculations
fusion cross section
Subjects
Iranian Journal of Physics Research

Articles in Press, Accepted Manuscript
Available Online from 08 June 2026

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