The best fit value for a CP violating phase based upon the latest T2K measurements is -0.6pi. Maximal CP violation is -0.5pi. Zero CP violation (zero or pi) is excluded at more than two sigma significance.
This tends to corroborate results from other neutrino physics experiments attempting to measure the CP violating phase of the PMNS matrix. See, e.g., here. Various predictions have been made regarding the value of the CP violating phase.
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