# Testing New Physics Explanations of MiniBooNE Anomaly at Neutrino Scattering Experiments

## TL;DR

This paper constrains models explaining the MiniBooNE anomaly with heavy neutrinos and light mediators using neutrino-electron scattering data from MINERvA and CHARM-II, challenging their viability.

## Contribution

It provides new experimental constraints on heavy neutrino models with light mediators explaining the MiniBooNE excess.

## Key findings

- Heavy neutrino models are strongly constrained by scattering data.
- High-energy experiments limit explanations involving light mediators.
- Simultaneous angular and energy distribution explanations are severely restricted.

## Abstract

Heavy neutrinos with additional interactions have recently been proposed as an explanation to the MiniBooNE excess. These scenarios often rely on marginally boosted particles to explain the excess angular spectrum, thus predicting large rates at higher-energy neutrino-electron scattering experiments. We place new constraints on this class of models based on neutrino-electron scattering sideband measurements performed at MINER$\nu$A and CHARM-II. A simultaneous explanation of the angular and energy distributions of the MiniBooNE excess in terms of heavy neutrinos with light mediators is severely constrained by our analysis. In general, high-energy neutrino-electron scattering experiments provide strong constraints on explanations of the MiniBooNE observation involving light mediators.