Discrete flavor symmetry and minimal seesaw mechanism

Details Discrete flavor symmetry and minimal seesaw mechanism Discrete flavor symmetry and minimal seesaw mechanism

2011-01-21

arxiv.org/abs/1101.4134v1

Phys.Rev.D83:056013,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures

Scientific paper

10.1103/PhysRevD.83.056013

This work proposes a neutrino mass model that is derived using the minimal seesaw mechanism which contains only two right-handed neutrinos, under the non-abelian discrete flavor symmetry $\mathbb{S}_4\otimes\mathbb{Z}_2$. Two standard model doublets, $L_\mu$ and $L_\tau$, are assigned simultaneously to a $\mathbf{2}$ representation of $\mathbb{S}_4$. When the scalar fields introduced in this model, addition to the Standard Model Higgs, and the leptons are coupled within the symmetry, the seesaw mechanism results in the tri-bi-maximal neutrino mixing. This study examined the possible deviations from TBM mixing related to the experimental data.

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