Fusion excitation function measurement for ⁶Li+⁶⁴Ni at near-barrier energies

E-ISSN： 2100-014x|86|issue|00044-00044

ISSN： 2100-014x

Source： EPJ Web of Conference, Vol.86, Iss.issue, 2015-01, pp. : 00044-00044

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Abstract

Total fusion excitation function has been measured for the reaction of weakly bound ⁶Li projectile on medium mass ⁶⁴Ni target at energies near the Coulomb barrier of the system. Online characteristic γ-ray detection method has been used to identify and determine the cross sections of the residues. No suppression of total fusion cross section (σ_TF) is observed at above barrier energies. But enhancement of measured cross section with respect to the one-dimensional barrier penetration model (1-DBPM) calculation is observed at below barrier energies. The enhancement can not be explained by coupled channels calculation with dominant projectile and target excitations as well as one-neutron stripping reaction.