Studies on the evolved carbon cores

Details Studies on the evolved carbon cores Studies on the evolved carbon cores

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ap%26ss..70..183d&link_type=abstract

Astrophysics and Space Science, vol. 70, no. 1, June 1980, p. 183-190.

Astronomy and Astrophysics

Astrophysics

Carbon Stars, Cores, Stellar Evolution, Stellar Winds, Thermonuclear Reactions, Annihilation Reactions, Bremsstrahlung, Energy Dissipation, Gravitational Collapse, Neutrinos, Supernovae

Scientific paper

Physical conditions prevalent in a degenerate carbon plasma lead to the enhancement of the carbon-carbon thermonuclear reaction rates. Nuclear energy generation rate in the carbon core is thereby augmented. The possible dissipation of energy due to pair-annihilation neutrinos, plasma neutrinos and neutrino bremsstrahlung are considered. Neutral current contribution to these weak processes are also taken into account. It is suggested that the enhanced nuclear generation rate in the evolved core might halt the core collapse for a time, thus necessitating a reassessment of the phenomenon of core collapse as a precursor of carbon detonation supernova events.

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