Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP07(2021)069
Keywords
Neutrino Physics; Beyond Standard Model
Categories
Funding
- National Natural Science Foundation of China [11775231, 11835013, 12075254]
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The proposed leptoquark model uses two scalar leptoquarks to explain neutrino masses, lepton flavor mixing, and the muon g - 2 anomaly while satisfying constraints from the radiative decays of charged leptons. The neutrino mass matrix possesses an approximate mu-tau reflection symmetry, with (M-nu)(ee) = 0 only in favor of the normal neutrino mass ordering, and the model successfully explains the muon g - 2 anomaly and current experimental neutrino oscillation data.
We propose a leptoquark model with two scalar leptoquarks S-1 (3, 1, 1/3) and (R-2 (3, 2, 1/6) to give a combined explanation of neutrino masses, lepton flavor mixing and the anomaly of muon g - 2, satisfying the constraints from the radiative decays of charged leptons. The neutrino masses are generated via one-loop corrections resulting from a mixing between S-1 and e R-2. With a set of specific textures for the leptoquark Yukawa coupling matrices, the neutrino mass matrix possesses an approximate mu-tau reflection symmetry with (M-nu)(ee) = 0 only in favor of the normal neutrino mass ordering. We show that this model can successfully explain the anomaly of muon g - 2 and current experimental neutrino oscillation data under the constraints from the radiative decays of charged leptons.
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