Neutrino masses and lepton flavor violation in the 3-3-1 model with right-handed neutrinos

Abstract

We show that in the framework of the 3-3-1 model with right-handed neutrinos, small neutrino masses and large lepton flavor violating processes such as μ\to 3e and μ\to eγcan be obtained by just introducing an additional Higgs sextet. In the limit of vanishing of the Yukawa interaction among Higgs and lepton triplets (h^ν= 0), the decay μ\to 3e strongly depends on the neutrino mass patterns, but the μ\to eγalmost does not. The neutrino masses are not constrained by such processes in the cases of h^ν\neq 0.

arXiv comment4 pages; version to appear in Phys. Rev. D

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