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$h omu au$ and muon g-2 in the alignment limit of two-Higgs-doublet model | | Lei Wang
; Shuo Yang
; Xiao-Fang Han
; | | Date: |
14 Jun 2016 | | Abstract: | We examine the excesses of $h o mu au$ and muon g-2 in the exact alignment
limit of two-Higgs-doublet model where the SM-like Higgs couplings to the SM
particles at the tree-level are the same as SM, and the tree-level
lepton-flavor-violating coupling $hmu au$ is absent. We assume the
lepton-flavor-violating excess of $mu au$ observed by CMS is respectively
from the other neutral Higgses, $H$ and $A$, which almost degenerates with the
SM-like Higgs at the 125 GeV. After imposing the various relevant theoretical
constraints and experimental constraints from the precision electroweak data,
$B$-meson decays, $ au$ decays and Higgs searches, we find the muon g-2
anomaly and $mu au$ excess favor the small lepton Yukawa coupling and and top
Yukawa coupling of the non-SM-like Higgs around 125 GeV, and the
lepton-flavor-violating coupling is sensitive to another heavy neutral Higgs
mass. In addition, if the $mu au$ excess is from the $H$ around 125 GeV, the
experimental data of the heavy Higgs decay into $mu au$ favor $m_A>230$ GeV
for a relatively large $Har{t}t$ coupling. | | Source: | arXiv, 1606.4408 | | Services: | Forum | Review | PDF | Favorites | |
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