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First Measurement of Monoenergetic Muon Neutrino Charged Current Interactions

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arxiv 1801.03848 v2 pith:T7PFPOL2 submitted 2018-01-11 hep-ex hep-phnucl-ex

classification hep-exhep-phnucl-ex
keywords muonchargeddecayenergyeventsfirstmeasurementneutrino
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We report the first measurement of monoenergetic muon neutrino charged current interactions. MiniBooNE has isolated 236 MeV muon neutrino events originating from charged kaon decay at rest ($K^+ \rightarrow \mu^+ \nu_\mu$) at the NuMI beamline absorber. These signal $\nu_\mu$-carbon events are distinguished from primarily pion decay in flight $\nu_\mu$ and $\overline{\nu}_\mu$ backgrounds produced at the target station and decay pipe using their arrival time and reconstructed muon energy. The significance of the signal observation is at the 3.9$\sigma$ level. The muon kinetic energy, neutrino-nucleus energy transfer ($\omega=E_\nu-E_\mu$), and total cross section for these events is extracted. This result is the first known-energy, weak-interaction-only probe of the nucleus to yield a measurement of $\omega$ using neutrinos, a quantity thus far only accessible through electron scattering.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Search for the production of Higgs-portal scalar bosons in the NuMI beam using the MicroBooNE detector

    hep-ex 2025-01 unverdicted novelty 5.0 of 10

    MicroBooNE sets the strongest limits to date on the Higgs-portal scalar mixing angle θ below ~3×10^{-4} for masses 110-155 MeV using kaon decays in the NuMI beam and 2.01×10^{21} POT exposure.

  2. Monte Carlo study of KDAR $\nu_{\mu}$ charged-current scattering on carbon

    hep-ph 2025-08 conditional novelty 4.0 of 10

    For 235.5 MeV KDAR muon-neutrino charged-current scattering on carbon, NuWro reproduces JSNS² missing-energy data better than GENIE or GiBUU, but all generators miss part of the data.

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