Monte Carlo projections indicate that neutrino-induced coherent pion production can constrain the DUNE muon-neutrino flux normalization to about 1.5% (in-situ pion-argon measurement) or 2-5% (external pion-argon data) at the oscillation peak.
Measurement of Neutrino-Induced Neutral-Current Coherent $\pi^0$ Production in the NOvA Near Detector
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abstract
The cross section of neutrino-induced neutral-current coherent $\pi^0$ production on a carbon-dominated target is measured in the NOvA near detector. This measurement uses a narrow-band neutrino beam with an average neutrino energy of 2.7\,GeV, which is of interest to ongoing and future long-baseline neutrino oscillation experiments. The measured, flux-averaged cross section is $\sigma = 13.8\pm0.9 (\text{stat})\pm2.3 (\text{syst}) \times 10^{-40}\,\text{cm}^2/\text{nucleus}$, consistent with model prediction. This result is the most precise measurement of neutral-current coherent $\pi^0$ production in the few-GeV neutrino energy region.
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Neutrino Induced Charged Current Coherent Pion Production for Constraining the Muon Neutrino Flux at DUNE
Monte Carlo projections indicate that neutrino-induced coherent pion production can constrain the DUNE muon-neutrino flux normalization to about 1.5% (in-situ pion-argon measurement) or 2-5% (external pion-argon data) at the oscillation peak.