Advances in High Energy Physics / 2013 / Article / Fig 12

Review Article

Heavy Chiral Fermions and Dark Matter

Figure 12

(a) Branching ratio of as a function of in SM4+D for GeV. (b) The corresponding reduction factor . The black-dotted portions are disallowed by direct search limits. Plots from [56].
915897.fig.0012a
(a)
915897.fig.0012b
(b)