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Measurement of the muon antineutrino double-differential cross section for quasielastic-like scattering on hydrocarbon at E-v similar to 3.5 GeV
Kordosky, Michael A. Nelson, Jeffrey K. Norrick, Anne Valencia-Rodriguez, Edgar Zhang, D.
Kordosky, Michael A.
Nelson, Jeffrey K.
Norrick, Anne
Valencia-Rodriguez, Edgar
Zhang, D.
Abstract
We present double-differential measurements of antineutrino charged-current quasielastic scattering in the MINERvA detector. This study improves on a previous single-differential measurement by using updated reconstruction algorithms and interaction models and provides a complete description of observed muon kinematics in the form of a double-differential cross section with respect to muon transverse and longitudinal momentum. We include in our signal definition zero-meson final states arising from multinucleon interactions and from resonant pion production followed by pion absorption in the primary nucleus. We find that model agreement is considerably improved by a model tuned to MINERvA inclusive neutrino scattering data that incorporates nuclear effects such as weak nuclear screening and two-particle, two-hole enhancements.
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2018-03-08
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1801.01197.pdf
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Physics
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https://doi.org/10.1103/PhysRevD.97.052002