Summary
The status of the Solar-Neutrino Problem (SNP), as is seen in 1995, is reviewed. Basically, there are two principal solutions to the SNP: i) withstandard neutrino (neutrino of SM of electroweak interactions) and ii) withnon-standard neutrino (neutrino beyond the SM). Actually, one can distinguish three solar-neutrino problems: the deficit of8B neutrinos, the deficit of7Be neutrinos and the HOMESTAKE/KAMIOKANDE conflict. The first problem probably can be solved with small correlated changes of nuclear cross-sections and the change of the central temperature of the Sun. The deficit of7Be neutrinos looks like the key problem. The HOMESTAKE/KAMIOKANDE conflict strongly disfavours or excludes the standard neutrino (nuclear/astrophysical solution to the SNP). MSW conversion gives a most plausible explanation to the SNP.
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Berezinsky, V. The solar-neutrino problem, 1995. Il Nuovo Cimento C 18, 671–684 (1995). https://doi.org/10.1007/BF02506647
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DOI: https://doi.org/10.1007/BF02506647