Muon g-2 and CKM Unitarity in Extra Lepton Models
Abstract
We investigate the impact of extra leptons on observed tensions in the muon g-2 and the first-row CKM unitarity. By introducing a new SU(2)L doublet lepton and a SU(2)L triplet lepton, we find that both of the tensions can be explained simultaneously under constraints from electroweak precision observables and Higgs-boson decays. Our model could be tested by measurements of hμμ at future collider experiments.
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