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Recent results from NOvA

Published 7 Jun 2022 in hep-ex | (2206.03542v1)

Abstract: We present the most recent 3-flavor neutrino oscillation results from the NOvA long-baseline experiment, using a joint fit of $\nu_\mu \to \nu_\mu$, $\bar{\nu}{\mu} \to \bar{\nu}{\mu}$, $\nu_\mu \to \nu_{e}$, and $\bar{\nu}{\mu}\to \bar{\nu}{e}$ channels, and an accumulated exposure of $13.6 \times 10{20}$ protons-on-target of neutrino beam and $12.5 \times 10{20}$ protons-on-target of antineutrino beam. The best-fit values for the atmospheric parameters are $\Delta m2_{32} = (2.41\pm0.07)\times 10{-3}$ eV$2$, $\sin2\theta_{23} = 0.57{+0.03}_{-0.04}$ and $\delta_{CP} = (0.82{+0.27}_{-0.87}) \pi$. The data disfavor combinations of oscillation parameters that lead to large asymmetries between the rates of $\nu_{e}$ vs $\bar{\nu}_{e}$ appearance.

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