Complete Fusion Enhancement and Suppression of Weakly Bound Nuclei at Near Barrier Energies
Abstract
We consider the influence of breakup channels on the complete fusion of weakly bound systems in terms of dynamic polarization potentials. It is argued that the enhancement of the cross section at sub-barrier energies may be consistent with recent experimental observations that nucleon transfer, often leading to breakup, is dominant compared to direct breakup. The main trends of the experimental complete fusion cross section for 6,7Li + 209Bi are analyzed in the framework of the DPP approach.
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