Lorentz noninvariant neutrino oscillations without neutrino mass

Details Lorentz noninvariant neutrino oscillations without neutrino mass Lorentz noninvariant neutrino oscillations without neutrino mass

2011-09-30

arxiv.org/abs/1109.6860v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 EPS figures, DPF 2011 conference talk

Scientific paper

The bicycle model of Lorentz noninvariant neutrino oscillations without neutrino masses naturally predicts maximal mixing and a 1/E dependence of the oscillation argument for $\nu_\mu \to \nu_\tau$ oscillations of atmospheric and long-baseline neutrinos, but cannot also simultaneously fit the data for solar neutrinos and KamLAND. We examine all nineteen possible structures of the Standard Model Extension for Lorentz noninvariant oscillations of massless neutrinos that naturally have a 1/E dependence at high neutrino energy. Due to the lack of any evidence for direction dependence, we consider only direction-independent oscillations. Although we find a number of models with a 1/E dependence for atmospheric and long-baseline neutrinos, none can also simultaneously fit solar and KamLAND data.

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