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Fusion Cross Sections at Deep Sub-barrier Energies

Hagino, Kouichi; Rowley, N; Dasgupta, Mahananda


A recent publication reports that heavy-ion fusion cross sections at extreme sub-barrier energies show a continuous change of their logarithmic slope with decreasing energy, resulting in a much steeper excitation function compared with theoretical predictions. We show that the energy dependence of this slope is partly due to the asymmetric shape of the Coulomb barrier; that is, its deviation from a harmonic shape. We also point out that the large low-energy slope is consistent with the...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Physical Review C: Nuclear Physics


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