Muon and electron $g-2$ and lepton masses in flavor models

30 May 2020 Calibbi Lorenzo López-Ibáñez M. L. Melis Aurora Vives Oscar

The stringent experimental bound on $\mu \rightarrow e \gamma$ is compatible with a simultaneous and sizable new physics contribution to the electron and muon anomalous magnetic moments $(g-2)_\ell$ ($\ell=e,\,\mu$), only if we assume a non-trivial flavor structure of the dipole operator coefficients. We propose a mechanism in which the realization of the $(g-2)_\ell$ correction is manifestly related to the mass generation through a flavor symmetry... (read more)

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  • HIGH ENERGY PHYSICS - PHENOMENOLOGY