Neutrino decay and solar neutrino seasonal effect

We consider the possibility of solar neutrino decay as a sub-leading effect on their propagation between production and detection. Using current oscillation data, we set a new lower bound to the ν2 neutrino lifetime at τ2/m2≥7.2×10−4s.eV−1 at 99% C.L. Also, we show how seasonal variations in the sol...

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Bibliographic Details
Published in:Physics letters. B 2016-10, Vol.761 (C), p.70-73
Main Authors: Picoreti, R., Guzzo, M.M., de Holanda, P.C., Peres, O.L.G.
Format: Article
Language:English
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Summary:We consider the possibility of solar neutrino decay as a sub-leading effect on their propagation between production and detection. Using current oscillation data, we set a new lower bound to the ν2 neutrino lifetime at τ2/m2≥7.2×10−4s.eV−1 at 99% C.L. Also, we show how seasonal variations in the solar neutrino data can give interesting additional information about neutrino lifetime.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2016.08.007