Antineutrino Charged-Current reactions on Hydrocarbon with Low Momentum Transfer

Abstract

We report on multinucleon effects in low momentum transfer ($<0.8$ GeV/c) anti-neutrino interactions on plastic (CH) scintillator. These data are from the 2010-2011 antineutrino phase of the MINERvA experiment at Fermilab. The hadronic energy spectrum of this inclusive sample is well described when a screening effect at low energy transfer and a two-nucleon knockout process are added to a relativistic Fermi gas model of quasielastic, $\Delta$ resonance, and higher resonance processes. In this analysis, model elements introduced to describe previously published neutrino results have quantitatively similar benefits for this antineutrino sample. We present the results as a double-differential cross section to accelerate investigation of alternate models for antineutrino scattering off nuclei.

arXiv comment7 pages, 4 figures. Updated to synchronize with reviewers and proofs recommendations and add supplemental cross section data file

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• Double-Differential Inclusive Charged-Current ${\nu }_{\mu }$ Cross Sections on Hydrocarbon in MINERvA at $⟨E_{\nu }⟩\sim$ 3.5 GeV
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• Analysis of the MINERvA antineutrino double-differential cross sections within the SuSAv2 model including meson-exchange currents
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• Inclusive cross section measurements in final states with and without protons for charged-current ${\nu }_{\mu }$-Ar scattering in MicroBooNE
• Measurement of the Double-Differential Muon-neutrino Charged-Current Inclusive Cross Section in the NOvA Near Detector
• Exploring Neutrino-Nucleus Interactions in the GeV Regime using MINERvA
• Data based two-body current contribution to neutrino-nucleus cross section
• Measurement of Electron Neutrino and Antineutrino Cross Sections at Low Momentum Transfer
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