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arXiv · 2103.14234

Radiative lepton mass and muon $g-2$ with suppressed lepton flavor and CP violations

Wen Yin
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Abstract

The recent experimental status, including the confirmation of the muon $g-2$ anomaly at Fermilab, indicates a Beyond Standard Model (BSM) satisfying the following properties: 1) it enhances the $g-2$ 2) suppresses flavor violations, such as $\mu \to e \gamma$, 3) suppresses CP violations, such as the electron electric dipole moment (EDM). In this letter, I show that if the masses of heavy leptons are generated radiatively, the eigenbasis of the mass matrix and higher dimensional photon operators can be automatically aligned. As a result, the muon $g-2$ is enhanced but the EDM of the electron and $\mu \to e \gamma$ rate are suppressed. Phenomenology and applications of the mechanism to the B-physics anomalies are argued.

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Wen Yin. 2021-03-26. Radiative lepton mass and muon $g-2$ with suppressed lepton flavor and CP violations. https://doi.org/10.1007/jhep08(2021)043

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