341643.fig.001a
(a)
341643.fig.001b
(b)
Figure 1: Branching ratios for different decay channels of the (a) fourth-generation up quark and (b) charged Higgs boson as a function of the t a n 𝛽 in the 2HDM. Following mass values are used: 𝑚 𝑢 4 = 4 0 0  GeV, 𝑚 ± = 2 0 0  GeV, and 𝑚 0 = 1 1 5  GeV.