LFV and g-2 in non-universal SUSY models with light higgsinos

Abstract

We consider a supersymmetric type-I seesaw framework with non-universal scalar masses at the GUT scale to explain the long-standing discrepancy of the anomalous magnetic moment of the muon. We find that it is difficult to accommodate the muon g-2 while keeping charged-lepton flavor violating processes under control for the conventional SO(10)-based relation between the up sector and neutrino sector. However, such tension can be relaxed by adding a Georgi-Jarlskog factor for the Yukawa matrices, which requires a non-trivial GUT-based model. In this model, we find that both observables are compatible for small mixings, CKM-like, in the neutrino Dirac Yukawa matrix.

27 pages, 9 figures

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• Studying the $b\to s{\ell }^{+}{\ell }^{-}$ anomalies and $(g-2{)}_{\mu }$ in $R$-parity violating MSSM framework with the inverse seesaw mechanism
• New Physics Search at the CEPC: a General Perspective
• Muon g-2, Neutralino Dark Matter and Stau NLSP
• The Muon Magnetic Moment and Physics Beyond the Standard Model
• Lepton flavor violations in SUSY models for muon $g-2$ with right-handed neutrinos
• The mass-degenerate SM-like Higgs and anomaly of $(g-2{)}_{\mu }$ in $\mu$-term extended NMSSM
• Can electron and muon $g-2$ anomalies be jointly explained in SUSY?