Neutron thermalization in stellar interiors

Details Neutron thermalization in stellar interiors Neutron thermalization in stellar interiors

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.231..657m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 231, April 1, 1988, p. 657-662.

Statistics

Computation

2

Heavy Nuclei, Neutron Absorbers, Stellar Cores, Stellar Evolution, Stellar Interiors, Thermal Neutrons, Computational Astrophysics, Energy Distribution, Nuclear Fusion, Scattering Cross Sections, Velocity Distribution

Scientific paper

The effect of neutron absorption by heavy nuclei on the distribution of neutron velocities in stellar interiors is investigated. It is shown that, during later phases of stellar evolution, when the stellar core consists primarily of heavier nuclei such as 28Si, this effect can result in a significant deviation from the usually assumed Maxwellian spectrum of velocities. This in turn, can lead to order of magnitude revisions in the nucleosynthesis rates of some neutron induced reactions.

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