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arXiv · 0906.2399

Indications of a shallow potential in $^{48}$Ca+$^{96}$Zr fusion reactions

H. Esbensen·C. L. Jiang
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Abstract

Fusion data for $^{48}$Ca+$^{96}$Zr are analyzed by coupled-channels calculations. Puzzling features of a previous analysis are eliminated by applying a potential that has a shallow pocket in the entrance channel. Thus the observed $S$ factor for fusion, which develops a maximum at low energy, can be reproduced fairly well. The high-energy data can also be accounted for but that requires the use of a weak, short-ranged imaginary potential that absorbs the incoming flux near the location of the minimum of the potential pocket. Predictions of the fusion hindrance in other Ca+Zr systems are made and are compared with the systematics that has been developed previously.

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H. Esbensen, C. L. Jiang. 2009-06-12. Indications of a shallow potential in $^{48}$Ca+$^{96}$Zr fusion reactions. https://doi.org/10.1103/physrevc.79.064619

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