Neutrino decay and Solar Neutrino Seasonal effect

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Preprint 01 Oct 2016Embargo end date: 01 Jan 2015Publisher:Sissa MedialabJournal:Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

Authors: R. Picoreti; M. M. Guzzo; P.C. de Holanda; O. L. G. Peres;

doi: 10.22323/1.282.0464 , 10.1016/j.physletb.2016.08.007 , 10.48550/arxiv.1506.08158 , 10.60692/wzp9m-mvt77 , 10.60692/163s6-6sg83

arXiv: 1506.08158

Neutrino decay and Solar Neutrino Seasonal effect

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Abstract

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 $��_2$ neutrino lifetime at $��_2\, /\, m_2 \geq 7.2 \times 10^{-4}\,\,\hbox{s}\,.\,\hbox{eV}^{-1}$ 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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Keywords

Nuclear and High Energy Physics, Measurements of neutrino speed, Neutrino oscillation, QC1-999, Nuclear physics, FOS: Physical sciences, Solar neutrino, Biochemistry, Neutrino Oscillations, High Energy Physics - Experiment, Particle Dark Matter and Detection Methods, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Neutrino Interactions, Neutrino, Particle Physics and High-Energy Collider Experiments, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Particle physics, Oscillation (cell signaling), Solar neutrino problem, Neutrino Detection, Solar Neutrinos, High Energy Physics - Phenomenology, Chemistry, Physics and Astronomy, Physical Sciences, Neutrino Flavor Transformation and Detection, Astrophysics - High Energy Astrophysical Phenomena

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