"Efficiency SRB 2" of "Search for direct top squark pair production in final states with two leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector"

SRB$^{2-body}_{120,140}$ Same Flavour efficiency for each signal model, assuming $\tilde{t}_1$ pair production, decaying via $\tilde{t}_1 \rightarrow t\tilde{\chi}^0_1$ with 100% branching ratio.

SRB$^{2 ext{-体}}_{120,140}$：针对每个信号模型采用一致的同味效率，本数据集假设$ ilde{t}_1$（stop quark）成对产生，并以100%的分支比通过衰变道$ ilde{t}_1
ightarrow t ilde{chi}^0_1$（$ ilde{chi}^0_1$为最轻超对称中性伴子（lightest neutralino））发生衰变。