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MINERvA · 2023

Simultaneous Measurement of Muon Neutrino νμ Charged-Current Single π+ Production in CH, C, H2O, Fe, and Pb Targets in MINERvA

Phys.Rev.Lett. 131 1 · 10.1103/PhysRevLett.131.011801

arXiv:2209.07852JournalINSPIREAll papers

Measurements

CurrentFlavorTargetTopologyTypeObservablesEnergy
CCνμCH, C, H2O, Fe, PbCC1π+ratiodifferential cross sections and nuclear ratiosmean energy ~6GeV, Delta(1232) region

Abstract

Neutrino-induced charged-current single π+\pi^+ production in the Δ(1232)\Delta(1232) resonance region is of considerable interest to accelerator-based neutrino oscillation experiments. In this work, high statistics differential cross sections are reported for the semi-exclusive reaction νμA→μ−π++\nu_\mu A \to \mu^- \pi^+ + nucleon(s) on scintillator, carbon, water, iron, and lead targets recorded by MINERvA using a wide-band νμ\nu_\mu beam with <Eν>≈6\left< E_\nu \right> \approx 6~GeV. Suppression of the cross section at low Q2Q^2 and enhancement of low TπT_\pi are observed in both light and heavy nuclear targets compared to phenomenological models used in current neutrino interaction generators. The cross-section ratios for iron and lead compared to CH across the kinematic variables probed are 0.8 and 0.5 respectively, a scaling which is also not predicted by current generators.

Citation

@article{MINERvA:2022djk,
    author = "Bercellie, A. and others",
    collaboration = "MINERvA",
    title = "{Simultaneous Measurement of Muon Neutrino \ensuremath{\nu}\ensuremath{\mu} Charged-Current Single \ensuremath{\pi}+ Production in CH, C, H2O, Fe, and Pb Targets in MINERvA}",
    eprint = "2209.07852",
    archivePrefix = "arXiv",
    primaryClass = "hep-ex",
    reportNumber = "FERMILAB-PUB-22-716-ND-QIS-SCD",
    doi = "10.1103/PhysRevLett.131.011801",
    journal = "Phys. Rev. Lett.",
    volume = "131",
    number = "1",
    pages = "011801",
    year = "2023"
}