Predictions via large θ13 from cascades

We investigate a relation among neutrino observables, three mixing angles and two mass squared differences, from a cascade texture of neutrino mass matrix. We show an allowed region of the correlation by use of current data of neutrino oscillation experiments. The relation predicts sharp correlations among neutrino mixing angles as 0.315≲sin2θ12≲0.332 and 0.480≲sin2θ23≲0.500 with a large θ13 (0.03