New simpleA4neutrino model for nonzeroθ13and largeδCP

Hajime Ishimori, Ernest Ma
2012 Physical Review D  
In a new simple application of the non-Abelian discrete symmetry $A_4$ to charged-lepton and neutrino mass matrices, we show that for the current experimental central value of $\sin^2 2 \theta_{13} \simeq 0.1$, leptonic CP violation is necessarily large, i.e. $|\tan \delta_{CP}| > 1.3$.
doi:10.1103/physrevd.86.045030 fatcat:m5onbep4s5hxhbmvwvxz2ynzri