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Flavor violating Higgs couplings in minimal flavor violation

  • Jin-Jun Zhang
  • Min He
  • Xiao-Gang He
  • Xing-Bo YuanEmail author
Open Access
Regular Article - Theoretical Physics
  • 15 Downloads

Abstract

Motivated by the recent LHC data on the lepton-flavor violating (LFV) decays h12 and Bs,d12, 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 decay. In the general case and the MFV framework, allowed ranges of various observables are obtained, such as \( \mathrm{\mathcal{B}} \)(Bs12), \( \mathrm{\mathcal{B}} \)(h12), \( \mathrm{\mathcal{B}} \)(hq1q2), and the branching ratio of μe conversion in Al. Future prospects of searching for the Higgs FCNC interactions at the low-energy experiments and the LHC are discussed.

Keywords

Heavy Quark Physics Higgs Physics Beyond Standard Model CP violation 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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© The Author(s) 2019

Authors and Affiliations

  1. 1.School of Physics and Information EngineeringShanxi Normal UniversityLinfenChina
  2. 2.Tsung-Dao Lee Institute, and School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina
  3. 3.Department of PhysicsNational Taiwan UniversityTaipeiTaiwan
  4. 4.Physics DivisionNational Center for Theoretical SciencesHsinchuTaiwan

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