Lepton Private Higgs and the discrete group Σ(81)
arXiv:1202.4234 · doi:10.1016/j.nuclphysb.2013.03.002
Abstract
We use the discrete group Σ(81) = (Z_3 x Z_3 x Z_3)\rtimes Z_3 to explore a particular region of parameter space in the Private Higgs model. In doing so we suggest a relation among the off-diagonal entries of the neutrino mass matrix and a possible explanation for the muon magnetic moment anomaly, a_μ^{exp}-a_μ^{SM} ~ 10^{-9}. We predict three new nearly degenerate Higgs doublets with masses of order ~ 500 GeV to ~ 1 TeV, and three nearly degenerate SM-singlet TeV-scale neutrinos. The largest scale in the model is ~ 10 TeV, so there is no severe hierarchy problem. The appendix is devoted to the group theory of Σ(81).
v4: published in Nucl. Phys. B
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- An Unfamiliar Way to Generate the Hierarchy of Standard Model Fermion Masses