Can photoionisation effects explain the solar-neutrino problem?

Details Can photoionisation effects explain the solar-neutrino problem? Can photoionisation effects explain the solar-neutrino problem?

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995cajph..73...53h&link_type=abstract

Can. J. Phys., Vol. 73, No. 1 - 2, p. 53 - 58

Physics

Solar Neutrinos

Scientific paper

In a simple accretion model of the Sun, the inclusion of photoionization-like phenomena leads to a set of initial conditions for solar burning that mimic a combination of the classic low-Z and high-Y models. When such initial conditions are used as input to the standard SunEV code, the predicted neutrino fluxes are in good agreement with those presently being observed in the Kamiokande, SAGE and GALLEX experiments. No new physics is required. It is possible that the combination of a low-Z and high-Y model, which is able to explain the solar neutrino deficit, might also provide good agreement with the presently observed helioseismic data. If data from the planned next generation of solar-neutrino experiments (e.g., SNO, SuperKamiokande) shows that the Mikheyev-Smirnov-Wolfenstein effect is not the solution to the solar-neutrino problem, experiments measuring the low-energy solar neutrino flux might show that a low-Z, high-Y combination model is valid.

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