Sterile Neutrino Production Through a Matter Effect Enhancement at Long Baselines

Details Sterile Neutrino Production Through a Matter Effect Enhancement at Long Baselines Sterile Neutrino Production Through a Matter Effect Enhancement at Long Baselines

2011-10-21

arxiv.org/abs/1110.4871v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

2nd replacement corrects scale of figure 2

Scientific paper

Motivated by the OPERA anomaly, we propose a matter effect enhancement of oscillation between muon and sterile neutrinos through a neutral $\nu_s$ coupling to fermionic matter. We demonstrate that the resulting matter effect model can evade the current MINOS bound of $P_{\nu_{\mu} \rightarrow \nu_s} < 0.22$ (90% CL) by participating in neutral-current interactions. We find excellent agreement between our sterile neutrino model parameters and parameters which fit LSND and MiniBooNE data. It is shown that superluminal (or "superluminal-like") sterile neutrinos are a viable candidate to explain the OPERA anomaly.

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