Sterile neutrino decay as a common origin for LSND/MiniBooNe and T2K excess events

S.N. Gninenko

Sterile neutrino decay as a common origin for LSND/MiniBooNe and T2K excess events

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arxiv 1107.0279 v2 pith:GTGTEUX7 submitted 2011-07-01 hep-ph hep-ex

S.N. Gninenko This is my paper · ORCID

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keywords neutrinoeventsexcesscommonlsndminibooneoriginproduced

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We point out that the excess of electron-like neutrino events recently observed by the T2K collaboration may have a common origin with the similar excess events previously reported by the LSND and MiniBooNE experiments and interpreted as a signal from the radiative decays of a sterile neutrino \nu_h with the mass around 50 MeV produced in muon neutrino neutral current (NC) interactions. In this work we assumed that the \nu_h can also be produced in tau neutrino NC reactions.

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Constraints and Sensitivities for Dipole-Portal Heavy Neutral Leptons from ND280 and its Upgrade
hep-ph 2024-12 conditional novelty 6.0 of 10

ND280 data, recast through a detailed Monte Carlo simulation, set new world-leading limits on dipole-portal heavy neutral leptons and disfavor them as the MiniBooNE anomaly explanation.

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