Heavy Chiral Fermions and Dark Matter

Figure 12

(a) Branching ratio of ℎ→𝐷𝐷 as a function of 𝑚_𝐷 in SM4+D for 𝑚_ℎ=115,150,200,450GeV. (b) The corresponding reduction factor ℛ. The black-dotted portions are disallowed by direct search limits. Plots from [56].

(a)

(b)