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The Super-Kamiokande and T2K collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. It uses a common interaction model for events overlapping in neutrino energy and correlated detector systematic uncertainties between the two datasets, which are found to be compatible. Using 3244. 4 days of atmospheric data and a beam exposure of 19. 7 (16. 3) 10^20 protons on target in (anti) neutrino mode, the analysis finds a 1. 9 exclusion of CP-conservation (defined as J₂=0) and a preference for the normal mass ordering.
Abe et al. (Tue,) studied this question.
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