Neutrino Decay and Atmospheric Neutrinos

Details Neutrino Decay and Atmospheric Neutrinos Neutrino Decay and Atmospheric Neutrinos

1999-07-19

arxiv.org/abs/hep-ph/9907421v3

Phys.Lett.B462:109-114,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Revtex, uses epsf.sty, 3 postscript figures. Additions and corrections to references, minor changes in the text and t

Scientific paper

10.1016/S0370-2693(99)00887-4

We reconsider neutrino decay as an explanation for atmospheric neutrino observations. We show that if the mass-difference relevant to the two mixed states \nu_\mu and \nu_\tau is very small (< 10^{-4} eV^2), then a very good fit to the observations can be obtained with decay of a component of \nu_\mu to a sterile neutrino and a Majoron. We discuss how the K2K and MINOS long-baseline experiments can distinguish the decay and oscillation scenarios.

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