Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...417..265o&link_type=abstract
Astrophysical Journal v.417, p.265
Astronomy and Astrophysics
Astronomy
15
Dense Matter, Nuclear Reactions, Nucleosynthesis, Abundances, Stars: White Dwarfs, Stars: Supernovae: General
Scientific paper
Enhancement factors for the thermonuclear reaction rates in dense binary-ionic mixtures (BIMs) with charge ratio RΖ ≤ 5 are calculated through detailed examination of the screening potentials at short ranges obtained by the Monte Carlo simulation method. Small but nonnegligible deviations of the screening distances from the constant electron-density, ion-sphere scaling are discovered at RΖ ˜ 5 for the "lighter" elements; the deviations act further to enhance the reaction rates. The triple-α reactions in He-C mixtures are treated as an example.
Ichimaru Setsuo
Ogata Shuji
Van Horn Hugh M.
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