Other
Scientific paper
May 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...197l.127h&link_type=abstract
Astrophysical Journal, vol. 197, May 1, 1975, pt. 2, p. L127-L131.
Other
18
Astronomical Models, Cosmology, Neutrinos, Nuclear Fusion, Solar Flux Density, Convection, Particle Emission, Stellar Evolution, Stellar Structure
Scientific paper
A model for the sun giving a reaction rate on Cl-37 as low as 0.5 SNU is discussed. The low neutrino emission comes about because the sun is taken to have a core containing 0.3-0.5 of the solar mass with an unusually high concentration of iron-group metals and a low initial concentration of helium. The high opacity caused by the metals makes the core convective, a suggestion which has been made previously by other authors on an ad hoc basis. In such a situation the low neutrino emission arises for the following two reasons: (1) a high hydrogen concentration, X approximately 0.7, is maintained at the center; and (2) convective mixing of Be-7 on a time scale less than the Be-7 destruction time minimizes the importance of Be 7(p, gamma) B8.
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