Stellar Rates for the ^(28)Si(α,γ)^(32)S and ^(16)O(α,γ)^(20)Ne Reactions

Creators: Toevs, James W.; Fowler, William A.; Barnes, C. A.; Lyons, Peter B.

Abstract

The stellar interaction rate for the ^(28)Si(α,γ)^(32)S reaction has been calculated from new cross-sections for this reaction for temperatures from (0.3-5) X 10^9° K. The astrophysical implications of new data for the ^(16)O(α,γ)^(20)Ne reaction at low energy are also discussed.

Additional Information

© 1971 American Astronomical Society. Received 1971 May 24. Supported in part by the National Science Foundation (GP-19887, GP-28027). The authors wish to thank Mrs. B. A. Zimmerman for assistance with numerical computation, and Dr. T. A. Tombrello for his estimate of the direct capture rate of the ^(16)O(α,γ) reaction.

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Published - 1971ApJ___169__421T.pdf

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