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Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Neutrino Physics
Neutrino decay and Solar Neutrino Seasonal effect
R. Picoreti, M.M. Guzzo, P.C. de Holanda, O. Peres*
*corresponding author
Full text: pdf
Pre-published on: 2017 February 06
Published on: 2017 April 19
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 $\nu_2$ neutrino lifetime at $\tau_2\, /\, m_2 \geq 7.2 \times 10^{-4}\,\,\hbox{s}\,.\,\hbox{eV}^{-1}$ at $99\%\,$C.L.. Also, we show how seasonal variations in the solar neutrino data can give interesting additional information about neutrino lifetime.
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