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18–24 Jun 2017
UC Irvine, Irvine, CA, USA
US/Pacific timezone

Constraining Higgs couplings using Bs -> mu mu

23 Jun 2017, 09:45
25m
Emerald Bay A (UC Irvine, Irvine, CA, USA)

Emerald Bay A

UC Irvine, Irvine, CA, USA

Working Group Sessions Joint Working Group Electroweak / Flavor and Precision Joint Working Group: Electroweak / Flavor and Precision

Speaker

Dr Xing-Bo Yuan (National Center for Theoretical Sciences)

Description

We study constraints and implications of the recent LHCb measurement of Bs -> mu mu for tree-level Higgs-mediated flavor-changing neutral current (FCNC) interactions. Combined with experimental data on Bs mass difference , the h -> mu tau, and the h -> tau tau decay branching ratios from the LHC, we find that the Higgs FCNC couplings are severely constrained. Current data allow large CP violation in the h -> tau tau decay. Consequences of the Cheng-Sher ansatz for the Higgs Yukawa couplings are discussed.

Primary author

Prof. Xiao-Gang He (National Taiwan University, National Center for Theoretical Science, Shanghai Jiao Tong University,)

Co-authors

Prof. Cheng-Wei Chiang (National Taiwan University, Academia Sinica, National Center for Theoretical Sciences) Dr Fang Ye (National Taiwan University) Dr Xing-Bo Yuan (National Center for Theoretical Sciences)

Presentation materials