Discrete symmetries and neutrino masses

Details Discrete symmetries and neutrino masses Discrete symmetries and neutrino masses

2004-11-26

arxiv.org/abs/hep-ph/0411343v3

Phys.Rev. D71 (2005) 036005

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, verseion published in PRD

Scientific paper

10.1103/PhysRevD.71.036005

We constructed a model of neutrino masses using Froggatt-Nielsen mechanism
with $U(1) \times Z_3 \times Z_2$ flavor symmetry. The model predicts that
$(2/3)m_2/m_3 \sim \sqrt{2}\sin\theta_{13}$ at lepton number violating scale
$M_1$. It is shown that the small values for $m_2/m_3$ and $\sin\theta_{13}$
are consequences of breaking discrete symmetries.

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