Decays $Z\to e_a{e}_b$ in a 3-3-1 model with neutral leptons

Abstract

We investigate the 3-3-1 model with neutral leptons (called the 331$NL$ for short) and by that, we will point out that this model can simultaneously explain the lepton flavor violating (LFV) decays of the $Z$ boson $Z\to e_a{e}_b$, Standard model-like Higgs boson decay $h\to e_b{e}_a$, and the charged leptons $e_b\to e_a\gamma$ consistent with the recent experimental data. In addition, the numerical results show strict relations among these decay rates of $Z$ and $h$ which are predicted by this model. As a result, the decay channels can be determined theoretically if one of them is detected by experiments.

25 pages, 5 figures. Version accepted for publication in Physica Scripta

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