Uncontained $\nu_{\mu}$ charged-current quasi-elastic events at the NOvA far detector

NOvA is a long-baseline neutrino oscillation experiment that uses an upgraded neutrino beam from Fermilab and two highly active, segmented, liquid scintillator off-axis detectors that offer a remarkable capability in event identification. In its first and second analysis results, NOvA has used only events with an interaction vertex and all secondary particles fully contained in the detectors. I will present studies of the potential sensitivity improvement of the $\sin^{2}{2\theta_{23}}$ and $\Delta m^{2}_{32}$ neutrino oscillation parameters from the $\nu_{\mu}$-disappearance measurement when including uncontained events in the sample. In particular, this study focuses on incorporating $\nu_{\mu}$ charged current quasi-elastic interactions of the type $\nu_{\mu} + n \to \mu + p$ where the muon is uncontained but the proton is contained.