Two Higgs Doublets, a 4th Generation and a 125 GeV Higgs: A Review
Figure 11
The Cabibbo size mixing case, (): the allowed parameter space in the plane, following constraints from and mixing, in the 4G2HDMI (a), 4G2HDMII (b), and 4G2HDMIII (c), for GeV, GeV, and and with and GeV. Figure taken from [61].