Review Article

Two Higgs Doublets, a 4th Generation and a 125 GeV Higgs: A Review

Figure 15

as a function of , from box diagrams with and , exchanges in the 4G2HDMI. The parameters and are varied within the constraints imposed by (see the previous section), keeping both of them 0.2. Also shown are the experimental 95% CL upper bounds from LHCb (red horizontal line) and from CMS (green horizontal line). The SM predicted range of values (at ) is shown within the black horizontal lines. Figure taken from [135].
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