Prediction of $U_{e3}$ in Neutrino Mass Matrix with Two Zeros

Details Prediction of $U_{e3}$ in Neutrino Mass Matrix with Two Zeros Prediction of $U_{e3}$ in Neutrino Mass Matrix with Two Zeros

2003-03-27

arxiv.org/abs/hep-ph/0303227v5

JHEP 0309 (2003) 028

Physics

High Energy Physics

High Energy Physics - Phenomenology

Figures and discussions are added

Scientific paper

10.1088/1126-6708/2003/09/028

We have discussed predictions of $|U_{e3}|$ and $J_{CP}$ in the framework of the neutrino mass matrix with two zeros. In the case of the best fit values of $\tan^2\theta_{12}$, $\tan^2\theta_{23}$, $\Delta m^2_{\rm sun}$ and $\Delta m_{\rm atm}^2$, the prediction of $|U_{e3}|$ is $0.11\sim 0.14$. The lower bound of $|U_{e3}|$ is 0.05, which depends on $\tan\theta_{12}$ and $\tan\theta_{23}$. We have investigated the stability of these predictions taking account of small corrections to zeros, which may come from radiative corrections or off-diagonal elements of the charged lepton massmatrix. The lower bound of $|U_{e3}|$ comes down considerably due to the small corrections to zeros.

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