3 years ago

Inverted neutrino mass hierarchy and mixing in the Zee-Babu model.

Vo Van Vien, Hoang Ngoc Long, Pham Ngoc Thu

We show that the neutrino mass matrix of the Zee-Babu model is able to fit the recent data on neutrino masses and mixing with non-zero $\theta_{13}$ in the inverted neutrino mass hierarchy. The results show that the Majorana phases are equal to zero and the Dirac phase ($\de$) is predicted to either $0$ or $\pi$, i. e, there is no CP violation in the Zee-Babu model at the two loop level. The effective mass governing neutrinoless double beta decay and the sum of neutrino masses are consistent with the recent analysis.

Publisher URL: http://arxiv.org/abs/1407.8286

DOI: arXiv:1407.8286v2

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