Solar neutrinos: beyond standard solar models

Abstract

After a short survey of the physics of solar neutrinos, giving an overview of hydrogen burning reactions, predictions of standard solar models and results of solar neutrino experiments, we discuss the solar-model-independent indications in favour of non-standard neutrino properties. The experimental results look to be in contradiction with each other, even disregarding some experiment: unless electron neutrinos disappear in their trip from the sun to the earth, the fluxes of intermediate energy neutrinos (those from 7Be electron capture and from the CNO cycle) result to be unphysically negative, or anyway extremely reduced with respect to standard solar model predictions. Next we review extensively non-standard solar models built as attempts to solve the solar neutrino puzzle. The dependence of the central solar temperature on chemical composition, opacity, age and on the values of the astrophysical S-factors for hydrogen-burning reactions is carefully investigated. Also, possible modifications of the branching among the various pp-chains in view of nuclear physics uncertainties are examined. Assuming standard neutrinos, all solar models examined fail in reconciling theory with experiments, even when the physical and chemical inputs are radically changed with respect to present knowledge and even if some of the experimental results are discarded.

88 pages, LaTeX, plus 30 figures added as separate uuencoded compressed postscript files. To appear in Physics Reports

References in corpus (10)

• Solar Models with Helium and Heavy Element Diffusion
• Element Diffusion in the Solar Interior
• The Rate of the Proton-Proton Reaction
• Last Hope for an astrophysical solution to the solar neutrino problem
• Just So? Vacuum Oscillations and MSW: An Update
• The MSW solution to the solar neutrino problem for non-standard solar models
• The Central Temperature of the Sun can be Measured via the ${}^7$Be Solar Neutrino Line
• Where are the beryllium neutrinos?
• Inhibited Al diffusion and growth roughening on Ga-coated Al (100)
• Solar opacity, neutrino signals and helioseismology

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