Table 1.

Single-lepton channel: the definitions and rankings of the variables considered in each of the regions where an NN is used

Variable	Definition	NN rank
		$\ge 6\mathrm{j},\ge 4\mathrm{b}$	$\ge 6\mathrm{j},3\mathrm{b}$	$5\mathrm{j},\ge 4\mathrm{b}$	$5\mathrm{j},3\mathrm{b}$
D1	Neyman–Pearson MEM discriminant (Eq. (4))	1	10	–	–
$\mathrm{Centrality}$	Scalar sum of the $p_{\mathrm{T}}$ divided by sum of the E for all jets and the lepton	2	2	1	–
${p_{\mathrm{T}}}^{\mathrm{jet}5}$	$p_{\mathrm{T}}$ of the fifth leading jet	3	7	–	–
H1	Second Fox–Wolfram moment computed using all jets and the lepton	4	3	2	–
$\mathrm{\Delta }{R}_{\mathrm{bb}}^{\mathrm{avg}}$	Average $\mathrm{\Delta }R$ for all b-tagged jet pairs	5	6	5	–
SSLL	Logarithm of the summed signal likelihoods (Eq. (2))	6	4	–	–
$m_{\mathrm{bb}}^{\min \mathrm{\Delta }\mathrm{R}}$	Mass of the combination of the two b-tagged jets with the smallest $\mathrm{\Delta }R$	7	12	4	4
$m_{\mathrm{bj}}^{\max {\mathrm{p}}_{\mathrm{T}}}$	Mass of the combination of a b-tagged jet and any jet with the largest vector sum $p_{\mathrm{T}}$	8	8	–	–
$\mathrm{\Delta }{R}_{\mathrm{bb}}^{\max {\mathrm{p}}_{\mathrm{T}}}$	$\mathrm{\Delta }R$ between the two b-tagged jets with the largest vector sum $p_{\mathrm{T}}$	9	–	–	–
$\mathrm{\Delta }{R}_{\mathrm{lep}-\mathrm{bb}}^{\min \mathrm{\Delta }\mathrm{R}}$	$\mathrm{\Delta }R$ between the lepton and the combination of the two b-tagged jets with the smallest $\mathrm{\Delta }R$	10	11	10	–
$m_{\mathrm{uu}}^{\min \mathrm{\Delta }\mathrm{R}}$	Mass of the combination of the two untagged jets with the smallest $\mathrm{\Delta }R$	11	9	–	2
${\mathrm{Aplan}}_{\mathrm{b}-\mathrm{jet}}$	$1.5{\mathit{\lambda }}_2$, where ${\mathit{\lambda }}_2$ is the second eigenvalue of the momentum tensor [93] built with only b-tagged jets	12	–	8	–
$N_{40}^{\mathrm{jet}}$	Number of jets with $p_{\mathrm{T}}\ge 40\mathrm{G}eV$	–	1	3	–
$m_{\mathrm{bj}}^{\min \mathrm{\Delta }\mathrm{R}}$	Mass of the combination of a b-tagged jet and any jet with the smallest $\mathrm{\Delta }R$	–	5	–	–
$m_{\mathrm{jj}}^{\max {\mathrm{p}}_{\mathrm{T}}}$	Mass of the combination of any two jets with the largest vector sum $p_{\mathrm{T}}$	–	–	6	–
${H_{\mathrm{T}}}^{\mathrm{had}}$	Scalar sum of jet $p_{\mathrm{T}}$	–	–	7	–
$m_{\mathrm{jj}}^{\min \mathrm{\Delta }\mathrm{R}}$	Mass of the combination of any two jets with the smallest $\mathrm{\Delta }R$	–	–	9	–
$m_{\mathrm{bb}}^{\max {\mathrm{p}}_{\mathrm{T}}}$	Mass of the combination of the two b-tagged jets with the largest vector sum $p_{\mathrm{T}}$	–	–	–	1
$p_{\mathrm{T},\mathrm{uu}}^{\min \mathrm{\Delta }\mathrm{R}}$	Scalar sum of the $p_{\mathrm{T}}$ of the pair of untagged jets with the smallest $\mathrm{\Delta }R$	–	–	–	3
$m_{\mathrm{bb}}^{\max \mathrm{m}}$	Mass of the combination of the two b-tagged jets with the largest invariant mass	–	–	–	5
$\mathrm{\Delta }{R}_{\mathrm{uu}}^{\min \mathrm{\Delta }\mathrm{R}}$	Minimum $\mathrm{\Delta }R$ between the two untagged jets	–	–	–	6
$m_{\mathrm{jjj}}$	Mass of the jet triplet with the largest vector sum $p_{\mathrm{T}}$	–	–	–	7