Solar neutrinos and the violation of equivalence principle

In this Brief Report, a non-standard solution to the solar neutrino problem is revisited. This solution assumes that neutrino flavors could have different couplings to gravity, hence, the equivalence principle is violated in this mechanism. The gravity induced mixing has the potential of accounting for the current solar neutrino data from several experiments even for massless neutrinos. We fit this solution to the total rate of neutrino events in the SuperKamiokande detector together with the total rate from other detectors and also with the most recent results of the SuperKamiokande results for the recoil-electron spectrum.

Note:

6 pages, 4 figures, submitted to Phys.Rev.D

neutrino: solar
relativity theory
equivalence principle: violation
gravitation: coupling
neutrino: flux
neutrino: oscillation
neutrino: mixing angle
electron: energy spectrum
numerical calculations: interpretation of experiments

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