Direct Measurement of Nuclear Dependence of Charged Current Quasielasticlike Neutrino Interactions Using MINERvA

M. Betancourt et al. (MINERvA Collaboration)
Phys. Rev. Lett. 119, 082001 – Published 25 August 2017
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Abstract

Charged-current νμ interactions on carbon, iron, and lead with a final state hadronic system of one or more protons with zero mesons are used to investigate the influence of the nuclear environment on quasielasticlike interactions. The transferred four-momentum squared to the target nucleus, Q2, is reconstructed based on the kinematics of the leading proton, and differential cross sections versus Q2 and the cross-section ratios of iron, lead, and carbon to scintillator are measured for the first time in a single experiment. The measurements show a dependence on the atomic number. While the quasielasticlike scattering on carbon is compatible with predictions, the trends exhibited by scattering on iron and lead favor a prediction with intranuclear rescattering of hadrons accounted for by a conventional particle cascade treatment. These measurements help discriminate between different models of both initial state nucleons and final state interactions used in the neutrino oscillation experiments.

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  • Received 16 May 2017

DOI:https://doi.org/10.1103/PhysRevLett.119.082001

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

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Vol. 119, Iss. 8 — 25 August 2017

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