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A “hybrid” R-matrix-optical model parametrization of the ^(12)C(α, γ)^(16)O cross section

Koonin, S. E. and Tombrello, T. A. and Fox, G. (1974) A “hybrid” R-matrix-optical model parametrization of the ^(12)C(α, γ)^(16)O cross section. Nuclear Physics A, 220 (2). pp. 221-232. ISSN 0375-9474. doi:10.1016/0375-9474(74)90715-5.

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The ^(12)C(α,γ)^(16)O cross section at astrophysical energies has been determined from existing ^(12)C(α, α)^(12)C and ^(12)C(α,γ)^(16)O data by means of a “hybrid” R-matrix - optical model method; we obtain an S-factor of 0.08 _(−0.04)^(+0.05) MeV·b at E_(c.m) = 300 keV. The El γ-ray width of the 9.59 MeV state has been determined to be 23 ± 3 meV.

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Additional Information:© North Holland Publishing Co. Received 12 November 1973. Supported in part by the National Science Foundation. [GP-28027]. The authors wish to express their deep appreciation to C.A. Barnes, P. Dyer, William A. Fowler and J. Humblet for many helpful discussions and considerable encouragement. We also wish to thank B. A. Zimmerman for assistance given in the computation of the Coulomb functions.
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Subject Keywords:Nuclear reactions
Issue or Number:2
Record Number:CaltechAUTHORS:20151106-135750173
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Official Citation:S.E. Koonin, T.A. Tombrello, G. Fox, A “hybrid” R-matrix-optical model parametrization of the 12C(α, γ)16O cross section, Nuclear Physics A, Volume 220, Issue 2, 25 February 1974, Pages 221-232, ISSN 0375-9474, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61954
Deposited By: Ruth Sustaita
Deposited On:09 Nov 2015 18:38
Last Modified:10 Nov 2021 22:56

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