Probing vector-like top partner from same-sign dilepton events at the LHC

Hang Zhou,Ning Liu

Figure 2. Branching ratio of the top partner decay $T\to b\,{{\ell }}^{+}{{\ell }}^{+}q\bar{q^{\prime} }$, with respect to the heavy Majorana neutrino mass. $\mathrm{Br}(T\to {{bW}}^{+})=50 \% $ is assumed.