Capture reactions on C-14 in nonstandard big bang nucleosynthesis

Details Capture reactions on C-14 in nonstandard big bang nucleosynthesis Capture reactions on C-14 in nonstandard big bang nucleosynthesis

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...363..340w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 363, Nov. 10, 1990, p. 340-343.

Statistics

Computation

42

Big Bang Cosmology, Capture Effect, Carbon 14, Nuclear Astrophysics, Nuclear Fusion, Computational Astrophysics, Nuclear Capture, Universe

Scientific paper

Nonstandard big bang nucleosynthesis leads to the production of C-14. The further reaction path depends on the depletion of C-14 by either photon, alpha, or neutron capture reactions. The nucleus C-14 is of particular importance in these scenarios because it forms a bottleneck for the production of heavier nuclei A greater than 14. The reaction rates of all three capture reactions at big bang conditions are discussed, and it is shown that the resulting reaction path, leading to the production of heavier elements, is dominated by the (p, gamma) and (n, gamma) rates, contrary to earlier suggestions.

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