Table 8.

Summary of signal regions used by the tb analysis

SR	tb-SRIn1	tb-SRIn2	tb-SRIn3	tb-SREx1
$b$-jets	2 $b$-jets; $p_{\text{T}}$ $>$25 GeV
1 lepton	$p_{\text{T}}$ $>$25 GeV
	$|\mathit{\eta }|<2.5(2.47)$ for $\mathit{\mu }(e)$
$E_{\mathrm{T}}^{\mathrm{miss}}$ (GeV)	$>$200	$>$120	$>$220	$>$160
$m_{\mathrm{T}}$ (GeV)	$>$140	$>$140	$>$180	$>$120
$m_{\mathrm{eff}}$ (GeV)	$>$300	$>$450	$>$650	$>$300
$a{m}_{\mathrm{T}2}$ (GeV)	$>$180	$>$200	$>$180	$>$180
$m_{b\ell }^{\min }$ (GeV)	$<$170
$\mathrm{\Delta }{\mathit{\varphi }}_{\min }^b$	$>$0.4
$E_{\mathrm{T}}^{\mathrm{miss}}\text{significance}$ (${\mathrm{GeV}}^{1/2}$)	$>$8	$>$12	$>$5	$>$10
$N_{\mathrm{xjets}}$	–	–	–	$<$2