Neutrino mass and charged lepton flavor violation in an extended left-right symmetric model

Abstract

We consider an $U(1{)}_{L_{\mu }-L_{\tau }}$ extended left-right symmetric gauge theory where the neutrino masses are generated through inverse seesaw mechanism. In this model the muon $(g-2)$ anomaly is accounted for by the mediation of $Z_{\mu \tau }$, the gauge boson of $U(1{)}_{L_{\mu }-L_{\tau }}$ symmetry. The symmetries of the model require the light neutrino mass matrix to have a particular two-zero texture, which leads to non-trivial constraints in the minimum neutrino mass. In addition, the model predicts observable charged lepton flavor violation in $\mu -\tau$ sector.

21 pages, 2 figures, 2 tables, Version accepted in Nucl. Phys. B

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