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

S. E. Koonin, T. A. Tombrello, G. Fox

Research output: Contribution to journalArticlepeer-review


The 12C(α,γ)16O cross section at astrophysical energies has been determined from existing 12C(α, α)12C and 12C(α,γ)16O 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 Ec.m = 300 keV. The El γ-ray width of the 9.59 MeV state has been determined to be 23 ± 3 meV.

Original languageEnglish (US)
Pages (from-to)221-232
Number of pages12
JournalNuclear Physics, Section A
Issue number2
StatePublished - Feb 25 1974


  • Nuclear reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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