Cluster model of A=7 nuclei revisited, and the astrophysical S factors for3He(α,γ)7Be and3H(α,γ)7Li at zero energy
- 1 October 1988
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear Physics
- Vol. 14 (10) , L211-L216
- https://doi.org/10.1088/0305-4616/14/10/002
Abstract
A local potential cluster model treatment of the A=7 nuclei is updated in the light of a recent re-analysis of old experimental data and some new experimental measurements. The model is then used to calculate directly (without any energy extrapolation) the astrophysical S factors for 3He( alpha , gamma )7Be and 3H( alpha , gamma )7Li at zero energy. The authors find S0=0.51+or-0.03 keV b for the former reaction and S0=0.09+or-0.03 keV b for the latter, in good agreement with direct cross section measurements.Keywords
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