Barrier modification in sub-barrier fusion reactions using Dynamical cluster-decay and extended-Wong models

Details Barrier modification in sub-barrier fusion reactions using Dynamical cluster-decay and extended-Wong models Barrier modification in sub-barrier fusion reactions using Dynamical cluster-decay and extended-Wong models

2011-01-31

arxiv.org/abs/1101.5854v1

CHASCON2011

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

Fusion-evaporation cross-sections {\sigma}evr in reactions known for fusion hindrance phenomenon in coupled-channels calculations at below-barrier energies, are studied in terms of the dynamical cluster-decay model (DCM) of one of us (RKG) and Collaborators and the Wong formula extended by us, both based on proximity potential, by using the concept of "barrier modification" at sub-barrier energies, first advocated by Misicu and Esbensen for M3Y potential. The DCM is shown to contain the "barrier lowering" as its inbuilt characteristic, and the same is found essential, and introduced empirically, in the extended-Wong formula.

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