The C-14(alpha, gamma)O-18 reaction at astrophysical energies

Details The C-14(alpha, gamma)O-18 reaction at astrophysical energies The C-14(alpha, gamma)O-18 reaction at astrophysical energies

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...344...46f&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 344, Sept. 1, 1989, p. 46-50.

Astronomy and Astrophysics

Astrophysics

17

Carbon Monoxide, Interstellar Chemistry, Nuclear Astrophysics, White Dwarf Stars, Big Bang Cosmology, Helium, Nuclear Fusion, Scattering

Scientific paper

The C-14(alpha, gamma)O-18 reaction rate is estimated for temperatures important for He flashes in white dwarfs and for nonhomogeneous big-bang nucleosynthesis. If available, the resonant contributions to the rate are derived using recent experimental data. The direct capture rate is evaluated on the basis of a microscopic multichannel calculation of the C-14(alpha, gamma)O-18 reaction. Possible interference contributions are discussed. The present rate is compared to previous estimates of Hashimoto et al. (1986) and of Buchmann et al. (1988).

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