Abstract
The recently observed event excess in MiniBooNE anti‐neutrino data is in agreement with the LSND evidence for electron anti‐neutrino appearance. We propose an explanation of these data in terms of a (3+1) scheme with a sterile neutrino including non‐standard neutrino interactions (NSI) at neutrino production and detection. The interference between oscillations and NSI provides a source for CP violation which we use to reconcile different results from neutrino and anti‐neutrino data. Our best fit results imply NSI at the level of a few percent relative to the standard weak interaction, in agreement with current bounds. We compare the quality of the NSI fit to the one obtained within the (3+1) and (3+2) pure oscillation frameworks.
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