Combined explanations of $B$-physics anomalies, $(g-2{)}_{e,\mu }$ and neutrino masses by scalar leptoquarks

Abstract

We extend the contents of the standard model (SM) by introducing TeV-scale scalar leptoquarks to generate neutrino masses and explain some current observed deviations from the SM predictions, including the anomalous magnetic moments of charged leptons (electron and muon) and $B$-physics anomalies ($R_{K^{(\ast )}}$ and $R_{D^{(\ast )}}$). The model consists of $\text{SU}(2{)}_L$ singlet leptoquark $S_1\sim (\bar{3},1,1/3)$, doublet leptoquark ${\tilde{R}}_2\sim (3,2,1/6)$ and triplet leptoquark $S_3\sim (\bar{3},3,1/3)$. We combine the constraints arising from the low-energy lepton flavor violation, meson decay and mixing observables. We perform a detailed phenomenological analysis and identify the minimized texture of leptoquark Yukawa matrices to accommodate a unified explanation of the anomalies and neutrino oscillation data.

30 pages, 5 figures, matches published version

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Cited by in corpus (8)

• Phenomenology of Scalar Leptoquarks at the LHC in Explaining the Radiative Neutrino Mass, Muon $g-2$ and Lepton Flavour Violating Observables
• The Muon Magnetic Moment and Physics Beyond the Standard Model
• Neutrino masses, flavor anomalies and muon $\mathbf{g}-2$ from dark loops
• Gravitational wave signals from leptoquark-induced first order electroweak phase transitions
• Revisiting the Scalar Leptoquark ($S_1$) Model with the Updated Leptonic Constraints
• Searching for exclusive leptoquarks with the Nambu-Jona-Lasinio composite model at the LHC and HL-LHC
• Flavour anomalies meet flavour symmetry
• Aligned Zee-Grimus-Neufeld model for $(g-2{)}_{\mu }$