Author(s): P. Adamson et al. (NOvA Collaboration)
Using a muon neutrino source at Fermilab, the NOvA collaboration has measured muon neutrino disappearance and electron neutrino appearance, strengthening constraints on the neutrino -violating phase in the inverted-neutrino-mass-hierarchy case.

[Phys. Rev. Lett. 118, 231801] Published Mon Jun 05, 2017