Solar models of low neutrino-counting rate - The depleted Maxwellian tail

Details Solar models of low neutrino-counting rate - The depleted Maxwellian tail Solar models of low neutrino-counting rate - The depleted Maxwellian tail

Jul 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...199..494c&link_type=abstract

Astrophysical Journal, vol. 199, July 15, 1975, pt. 1, p. 494-499.

Physics

15

Neutrinos, Nuclear Models, Solar Physics, Thermonuclear Reactions, Astronomical Models, Maxwell-Boltzmann Density Function, Solar Temperature

Scientific paper

Evolutionary sequences for the sun are presented which confirm that the Cl-37 neutrino counting rate will be greatly reduced if the high-energy tail of the Maxwellian distribution of relative energies is progressively depleted. Thermonuclear reaction rates and pressure are reevaluated for a distribution function modified by the correction factor suggested by Clayton (1974), and the effect of the results on solar models calculated with a simple Henyey code is discussed. It is shown that if the depletion is characterized by a certain exponential dependence on the distribution function, the counting rate will fall below 1 SNU for a distribution function of not less than 0.01. Suggestions are made for measuring the distribution function in the sun by means of neutrino spectroscopy and photography.

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