Abstract
The fusion excitation functions of reactions induced by 28Si on 64Ni, 96Zr, 100Mo and 154Sm targets at around Coulomb barrier energies have been analysed theoretically within coupled channel approach. Here we have examined the sensitivity of fusion cross section at sub-barrier energies towards coupling of inelastic excitations of fusing partners and positive Q-value neutron transfer (PQNT) channels. Along with the transfer channel, the influence of variation in deformation of fusing nuclei after transfer and of nuclear structure of fusing nuclei has also been considered. With a view to investigate the influence of nuclear structure here we have taken targets with different structural properties. It is found that coupling of neutron transfer channels produced a significant enhancement in sub-barrier fusion for the systems where one of the interacting nuclei is spherical or less deformed and no influence of transfer coupling has been observed for the system where both the participating nuclei are deformed.
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