Neutron exposures in time-dependent stellar convective regions

Details Neutron exposures in time-dependent stellar convective regions Neutron exposures in time-dependent stellar convective regions

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...324..948m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 324, Jan. 15, 1988, p. 948-952.

Astronomy and Astrophysics

Astrophysics

7

Convection, Exposure, Neutron Flux Density, Stellar Interiors, Stellar Models, Time Dependence, Abundance, Exponential Functions, Nuclear Fusion, Stellar Temperature, Turbulent Diffusion

Scientific paper

Hitherto, only one mechanism for producing an exponentially weighted distribution of neutron exposures within a stellar interior has been shown to be successful. In this paper a second mechanism is proposed, based on consideration of the time dependence of the temperature, and consequently of the neutron production, in a stellar convective region. A wide range of mean neutron exposures, encompassing that necessary to form the solar system s-process abundances, can be produced by this new mechanism.

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