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Neutrino Interactions with Matter and the MiniBooNE anomaly

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arxiv 2111.02504 v1 pith:O744YIXO submitted 2021-11-03 hep-ph hep-exnucl-th

Neutrino Interactions with Matter and the MiniBooNE anomaly

classification hep-ph hep-exnucl-th
keywords interactionsminibooneanomalymatterneutrinoanalysisattentionbackgrounds
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The excess of electron-like events measured by MiniBooNE challenges our understanding of neutrinos and their interactions. We review the status of this open problem and ongoing efforts to resolve it. After introducing the experiment and its results, we consider the main experimental backgrounds and the related physics of neutrino interactions with matter such as quasielastic-like scattering and weak pion production on nucleons and nuclei. Special attention is paid to single photon emission in neutral current interactions and, in particular, its coherent channel. The difficulties to reconcile the MiniBooNE anomaly with global oscillation analysis is then highlighted. We finally outline some of the proposed solutions of the puzzle involving unconventional neutrino-interaction mechanisms.

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Cited by 1 Pith paper

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  1. Enhanced active-sterile neutrino polarizability at the intensity frontier

    hep-ph 2025-12 conditional novelty 7.0

    A new neutrino-photon interaction involving a sterile neutrino is constrained at NOMAD and MiniBooNE, and a light-mediator realization can fit the MiniBooNE excess.