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Minimal 3-3-1 model, lepton mixing and muonium-antimuonium conversion

A. Gusso, C. A. de S. Pires, P. S. Rodrigues da Silva

hep-pharXiv:hep-ph/0208062

Abstract

The recent experimental results on neutrino oscillation and on muonium-antimuonium conversion require extension of the minimal 3-3-1 model. We review the constraints imposed to the model by those measurements and suggest a pattern of leptonic mixing, with charged leptons in a non-diagonal basis, which accounts for the neutrino physics and circumvents the tight muonium-antimuonium bounds on the model. We also illustrate a scenario where this pattern could be realized.

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