Astrophysical S factor for α capture on Sn117

Details Astrophysical S factor for α capture on Sn117 Astrophysical S factor for α capture on Sn117

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008phrvc..78c5803c&link_type=abstract

Physical Review C, vol. 78, Issue 3, id. 035803

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10

3H-, 3He-, And 4He-Induced Reactions, 90<=A<=149, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, Statistical Theory And Fluctuations

Scientific paper

The cross sections of the Sn117(α,γ) Te121 and Sn117(α,p) Sb120 reactions have been measured in the effective center of mass energy from 11.5 to 14.6 MeV. Highly enriched self-supporting Sn117 (90%) foils were bombarded with an α beam delivered by the Bucharest IFIN-HH tandem accelerator. The induced activity of Te121 and Sb120 was measured with two large-volume high-purity Ge detectors in close geometry to maximize the detector efficiency. The experimental cross section and astrophysical S factor are compared with statistical model predictions for different global α-nucleus optical potentials.

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