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ARE THERE STERILE NEUTRINOS IN THE FLUX OF SOLAR NEUTRINOS ON THE EARTH?

S. M. Bilenky·C. Giunti
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Abstract

It is shown that the future SNO and Super-Kamiokande experiments, in which high energy $^8\mathrm{B}$ neutrinos will be detected through the observation of CC, NC and $ν$--$e$ elastic scattering processes, could allow to reveal in a model independent way the presence of sterile neutrinos in the flux of solar neutrinos on the earth. Lower bounds for different averaged values of the probability of transition of solar $ν_e$'s into sterile states and for the total flux of $^8\mathrm{B}$ neutrinos are derived in terms of measurable quantities. The possibilities to reveal the presence of $ν_μ$ and/or $ν_τ$ in the solar neutrino flux on the earth are also considered and the case of transitions of solar $ν_e$'s only into sterile states is discussed. Some numerical results for a simple model with $ν_e$--$ν_s$ mixing are given.

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S. M. Bilenky, C. Giunti. 1995-03-23. ARE THERE STERILE NEUTRINOS IN THE FLUX OF SOLAR NEUTRINOS ON THE EARTH?. https://doi.org/10.1007/bf01620728

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