Abstract

Neutrino-induced charged-current single π+ production in the Δ(1232) resonance region is of considerable interest to accelerator-based neutrino oscillation experiments. In this Letter, high statistic differential cross sections are reported for the semiexclusive reaction νμA→μ-π++ nucleon(s) on scintillator, carbon, water, iron, and lead targets recorded by MINERvA using a wideband νμ beam with Eν ≈6 GeV. Suppression of the cross section at low Q2 and enhancement of low Tπ are observed in both light and heavy nuclear targets compared with phenomenological models used in current neutrino interaction generators. The cross sections per nucleon for iron and lead compared with CH across the kinematic variables probed are 0.8 and 0.5 respectively, a scaling which is also not predicted by current generators.

Original languageEnglish
Article number011801
JournalPhysical Review Letters
Volume131
Issue number1
DOIs
StatePublished - 7 Jul 2023

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