Lepton-flavor violation and $(g-2{)}_{\mu }$ in the $\mu \nu$SSM

Abstract

Within framework of the $\mu$ from $\nu$ Supersymmetric Standard Model ($\mu \nu$SSM), exotic singlet right-handed neutrino superfields induce new sources for lepton-flavor violation. In this work, we investigate some lepton-flavor violating processes in detail in the $\mu \nu$SSM. The numerical results indicate that the branching ratios for lepton-flavor violating processes $\mu \to e\gamma$, $\tau \to \mu \gamma$ and $\mu \to 3e$ can reach $10^{-12}$ when $\tan \beta$ is large enough, which can be detected in near future. We also discuss the constraint on the relevant parameter space of the model from the muon anomalous magnetic dipole moment. In addition, from the scalars for the $\mu \nu$SSM we strictly separate the Goldstone bosons, which disappear in the physical gauge.

32 pages, 7 figures, a version accepted in Nucl. Phys. B

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• Neutron electric dipole moment in CP violating BLMSSM
• Lepton flavor violation in the $\mu \nu$SSM with slepton flavor mixing
• Muon conversion to electron in nuclei within the $\mu \nu$SSM with a 125 GeV Higgs
• Neutrino mixing in the $\mu \nu$SSM
• 125 GeV Higgs decay with lepton flavor violation in the $\mu \nu$SSM
• Lepton flavor violation in the BLMSSM
• Transition magnetic moment of Majorana neutrinos in the $\mu \nu$SSM
• Higgs boson decays with lepton flavor violation in the $B-L$ symmetric SSM
• 125 GeV Higgs boson decays in the $\mu$ from $\nu$ supersymmetric standard model
• The Muon Magnetic Moment and Physics Beyond the Standard Model
• $\bar{B}\to X_s\gamma$ in the $\mu \nu$SSM
• $B^0-{\bar{B}}^0$ mixing in supersymmetry with gauged baryon and lepton numbers
• The one loop corrections to the neutrino masses in BLMSSM
• Charged lepton flavor violation in extended BLMSSM
• The mass-degenerate SM-like Higgs and anomaly of $(g-2{)}_{\mu }$ in $\mu$-term extended NMSSM
• $B_s^0\to {\mu }^{+}{\mu }^{-}$ in a flavor violating extension of MSSM
• Electric dipole moments from the perspective of a scalar triplet and singlet extension of the MSSM: A study of neutrons, electrons, mercury, and b and c quarks