Total Cross Section of 16O(p,α)13N from Threshold to 7.7 MeV

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Abstract
The reaction 16O(p,α)13N plays an important part in explosive oxygen burning in stars, and the magnitude of its cross section is important in various astrophysical models of stellar evolution. Therefore, the cross section for this reaction was measured from threshold to 7.7 MeV, which includes the range of astrophysical importance. The experiment was performed using an activation procedure, which is described. At the highest energies obtained, the cross section was compared to, and agrees very well with, earlier measurements. The reaction rate for this reaction was calculated, and was found to be much lower than the previous estimate for it.

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