Measurement of Neutrino Flux from Neutrino-Electron Elastic Scattering

Abstract

Muon-neutrino elastic scattering on electrons is an observable neutrino process whose cross section is precisely known. Consequently a measurement of this process in an accelerator-based ${\nu }_{\mu }$ beam can improve the knowledge of the absolute neutrino flux impinging upon the detector; typically this knowledge is limited to $\sim$ 10% due to uncertainties in hadron production and focusing. We have isolated a sample of 135 $\pm$ 17 neutrino-electron elastic scattering candidates in the segmented scintillator detector of MINERvA, after subtracting backgrounds and correcting for efficiency. We show how this sample can be used to reduce the total uncertainty on the NuMI ${\nu }_{\mu }$ flux from 9% to 6%. Our measurement provides a flux constraint that is useful to other experiments using the NuMI beam, and this technique is applicable to future neutrino beams operating at multi-GeV energies.

arXiv comment11 pages, 11 figures

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• Antineutrino Charged-Current reactions on Hydrocarbon with Low Momentum Transfer
• Neutron measurements from anti-neutrino hydrocarbon reactions
• Double-Differential Inclusive Charged-Current ${\nu }_{\mu }$ Cross Sections on Hydrocarbon in MINERvA at $⟨E_{\nu }⟩\sim$ 3.5 GeV
• A Precise Determination of (Anti)neutrino Fluxes with (Anti)neutrino-Hydrogen Interactions
• Measurement of Total and Differential Cross Sections of Neutrino and Antineutrino Coherent ${\pi }^{\pm }$ Production on Carbon
• Model Independent Bounds on the Non-Oscillatory Explanations of the MiniBooNE Excess
• Constraints on general neutrino interactions with exotic fermion from neutrino-electron scattering experiments
• The hunt for sub-GeV dark matter at neutrino facilities: a survey of past and present experiments
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• Progress in measurements of 0.1--10 GeV neutrino-nucleus scattering and anticipated results from future experiments
• Dipole-Coupled Neutrissimo Explanations of the MiniBooNE Excess Including Constraints from MINERvA Data
• Improved constraint on the MINERvA medium energy neutrino flux using $\bar{\nu }{e}^{-}\to \bar{\nu }{e}^{-}$ data
• Measurement of single ${\pi }^0$ production by coherent neutral-current $\nu$ Fe interactions in the MINOS Near Detector
• The weak mixing angle from low energy neutrino measurements: a global update
• Measurement of inclusive charged-current $ν_{\numu}$ scattering on hydrocarbon at {<Enu>} 6 GeV with low three-momentum transfer
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• Reducing Hadronic Uncertainty in Low-Energy Neutral-Current Processes
• Radiative corrections to inverse muon decay for accelerator neutrinos
• Open Issues in Neutrino Reactions
• Recent Results from MINERvA
• Neutral pion reconstruction using machine learning in the MINERvA experiment at $⟨E_{\nu }⟩\sim 6$ GeV
• New Interference Effects from Light Gauge Bosons in Neutrino-Electron Scattering
• Probing inelastic sub-GeV dark matter at the DUNE near detector
• Electron Neutrino Charged-Current Quasielastic Scattering in the MINERvA Experiment