First double-differential measurement of kinematic imbalance in neutrino interactions with the MicroBooNE detector

Abstract

We report the first measurement of flux-integrated double-differential quasielastic-like neutrino-argon cross sections, which have been made using the Booster Neutrino Beam and the MicroBooNE detector at Fermi National Accelerator Laboratory. The data are presented as a function of kinematic imbalance variables which are sensitive to nuclear ground state distributions and hadronic reinteraction processes. We find that the measured cross sections in different phase-space regions are sensitive to different nuclear effects. Therefore, they enable the impact of specific nuclear effects on the neutrino-nucleus interaction to be isolated more completely than was possible using previous single-differential cross section measurements. Our results provide precision data to help test and improve neutrino-nucleus interaction models. They further support ongoing neutrino-oscillation studies by establishing phase-space regions where precise reaction modeling has already been achieved.

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• Inclusive cross section measurements in final states with and without protons for charged-current ${\nu }_{\mu }$-Ar scattering in MicroBooNE
• First simultaneous measurement of differential muon-neutrino charged-current cross sections on argon for final states with and without protons using MicroBooNE data
• Implementation of a relativistic distorted wave impulse approximation model into the NEUT event generator
• Final-state interactions in neutrino-induced proton knockout from argon in MicroBooNE
• In-medium changes of nucleon cross sections tested in neutrino-induced reactions
• First study of neutrino angle reconstruction using quasielastic-like interactions in MicroBooNE
• Measurement of charged-current muon neutrino-argon interactions without pions in the final state using the MicroBooNE detector
• Relativistic meson-exchange currents in semi-inclusive lepton scattering
• Searching for beyond-Standard-Model solar neutrino interactions using directional detectors
• Single pion-production and pion propagation in Achilles