Astrophysical Reaction Rate of12C(α, γ)16O
- 1 March 2002
- journal article
- research article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 567 (1) , 643-650
- https://doi.org/10.1086/338384
Abstract
A new astrophysical reaction rate of 12C(α, γ)16O has been calculated based on our recent determination of the E1- and E2-capture cross sections. The R-matrix method has been applied to describe the SE1- and SE2-factor functions as well as the data of elastic α scattering and the β-delayed α decay of 16N from other experiments. The resulting reaction rate for stellar temperatures of T9 = 0.04-10 is presented in both tabular form and an analytic expression. A new temperature dependence of the reaction rate was obtained when compared with reported evaluations. The associated uncertainties were reduced considerably in comparison to previous determinations.Keywords
This publication has 40 references indexed in Scilit:
- Electric-multipole interference effects in thereactionPhysical Review C, 2001
- Radiative cascade transitions and thecross section to the ground state ofPhysical Review C, 2001
- The 12C(α,γ)16O reaction at astrophysical energiesNuclear Physics A, 2001
- R-matrix analysis of interference effects in12C(α,α)12Cand12C(α,γ)16OPhysical Review C, 2000
- Sub-CoulombTransfers onand theFactorPhysical Review Letters, 1999
- NACRE: A European Compilation of Reaction rates for AstrophysicsPublished by AIP Publishing ,1999
- Supernovae and NucleosynthesisPublished by Walter de Gruyter GmbH ,1996
- New Stellar Reaction Rate for [TSUP]12[/TSUP]C(α, γ)[TSUP]16[/TSUP]OThe Astrophysical Journal, 1996
- Constraints on the low-energyE1 cross section of(α,γO from the β-delayed α spectrum ofPhysical Review C, 1994
- The 12C(a,?)16O Cross Section at Stellar EnergiesAustralian Journal of Physics, 1987