Abstract
Abstract
Motivated by the recent LHC data on the lepton-flavor violating (LFV) decays h → ℓ
1
ℓ
2 and B
s,d
→ ℓ
1
ℓ
2, 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
$$ {B}_s-{\overline{B}}_s $$
B
s
−
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
$$ \mathrm{\mathcal{B}} $$
ℬ
(B
s → ℓ
1
ℓ
2),
$$ \mathrm{\mathcal{B}} $$
ℬ
(h → ℓ
1
ℓ
2),
$$ \mathrm{\mathcal{B}} $$
ℬ
(h → q
1
q
2), 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.
Publisher
Springer Science and Business Media LLC
Subject
Nuclear and High Energy Physics
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