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MINERvA · 2022

Simultaneous Measurement of Proton and Lepton Kinematics in Quasielasticlike νμ-Hydrocarbon Interactions from 2 to 20 GeV

Phys.Rev.Lett. 129 21803 · 10.1103/PhysRevLett.129.021803

arXiv:2203.08022JournalINSPIREAll papers

Measurements

CurrentFlavorTargetTopologyTypeObservablesEnergy
CCνμCHCC0πtriple-difftriple-differential cross section (muon pT, pL, proton KE)neutrino energy 2-20GeV

Abstract

Neutrino charged-current quasielastic-like scattering, a reaction category extensively used in neutrino oscillation measurements, probes nuclear effects that govern neutrino-nucleus interactions. This Letter reports the first measurement of the triple-differential cross section for νμ\nu_{\mu} quasielastic-like reactions using the hydrocarbon medium of the MINERvA detector exposed to a wide-band beam spanning 2 ≤\leq Eν≤_\nu \leq 20 GeV. The measurement maps the correlations among transverse and longitudinal muon momenta and summed proton kinetic energies, and compares them to predictions from a state-of-art simulation. Discrepancies are observed that likely reflect shortfalls with modeling of pion and nucleon intranuclear scattering and/or spectator nucleon ejection from struck nuclei. The separate determination of leptonic and hadronic variables can inform experimental approaches to neutrino-energy estimation.

Citation

@article{MINERvA:2022mnw,
    author = "Ruterbories, D. and others",
    collaboration = "MINERvA",
    title = "{Simultaneous Measurement of Proton and Lepton Kinematics in Quasielasticlike \ensuremath{\nu}\ensuremath{\mu}-Hydrocarbon Interactions from 2 to 20~GeV}",
    eprint = "2203.08022",
    archivePrefix = "arXiv",
    primaryClass = "hep-ex",
    reportNumber = "FERMILAB-PUB-22-130-PPD-QIS-SCD",
    doi = "10.1103/PhysRevLett.129.021803",
    journal = "Phys. Rev. Lett.",
    volume = "129",
    number = "2",
    pages = "021803",
    year = "2022"
}