Abstract
Motivated by the recent LHC data on the lepton-flavor violating (LFV) decays h → ℓ1ℓ2 and Bs,d → ℓ1ℓ2, we study the Higgs-mediated flavor-changing neutral current (FCNC) interactions in the effective field theory (EFT) approach without and with the minimal flavor violation (MFV) hypothesis, and concentrate on the later. After considering the B and K physics data, the various LFV processes, and the LHC Higgs data, severe constraints on the Higgs FCNC couplings are derived, which are dominated by the LHC Higgs data, the {B}_s-{overline{B}}_s mixing, and the μ → eγ decay. In the general case and the MFV framework, allowed ranges of various observables are obtained, such as mathrm{mathcal{B}} (Bs → ℓ1ℓ2), mathrm{mathcal{B}} (h → ℓ1ℓ2), mathrm{mathcal{B}} (h → q1q2), and the branching ratio of μ → e conversion in Al. Future prospects of searching for the Higgs FCNC interactions at the low-energy experiments and the LHC are discussed.
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