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Measurement of π⁰ Production in bar{ν}_{μ} Charged-Current Interactions in the NOvA Near Detector
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We present a high-statistics measurement of muon antineutrino-induced charged-current neutral pion production on a hydrocarbon target using the NOvA Near Detector. The differential cross sections as functions of the momenta and angles of the outgoing pion and muon, the squared four-momentum transfer, and the invariant mass of the hadronic system at an average neutrino energy of 2~GeV are measured and compared with predictions from various neutrino interaction models. The results agree with the GENIE prediction but suggest that other models underestimate the cross section in the $\Delta$(1232) resonance region. These results represent the most precise measurement of antineutrino-induced neutral pion production to date.
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Charged-Current Neutrino-Induced Single-Pion Production in the Superscaling Approach and Relativistic Distorted-Wave Impulse Approximation
SuSAv2 and RDWIA models are compared to experimental data on charged-current neutrino-induced single-pion production on carbon targets across neutrino energies from hundreds of MeV to 20 GeV.
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