Table 2.

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

Variable	Definition	NN rank
		$\ge 4\mathrm{j},\ge 4\mathrm{b}$	$\ge 4\mathrm{j},3\mathrm{b}$	$3\mathrm{j},3\mathrm{b}$
$\mathrm{\Delta }{\mathit{\eta }}_{\mathrm{jj}}^{\max \mathrm{\Delta }\mathit{\eta }}$	Maximum $\mathrm{\Delta }\mathit{\eta }$ between any two jets in the event	1	1	1
$m_{\mathrm{bb}}^{\min \mathrm{\Delta }\mathrm{R}}$	Mass of the combination of the two b-tagged jets with the smallest $\mathrm{\Delta }R$	2	8	–
$m_{b\overline{b}}$	Mass of the two b-tagged jets from the Higgs candidate system	3	–	–
$\mathrm{\Delta }{R}_{\mathrm{hl}}^{\min \mathrm{\Delta }\mathrm{R}}$	$\mathrm{\Delta }R$ between the Higgs candidate and the closest lepton	4	5	–
${\mathrm{N}}_{30}^{\mathrm{Higgs}}$	Number of Higgs candidates within 30 GeV of the Higgs mass of 125  GeV	5	2	5
$\mathrm{\Delta }{R}_{\mathrm{bb}}^{\max {\mathrm{p}}_{\mathrm{T}}}$	$\mathrm{\Delta }R$ between the two b-tagged jets with the largest vector sum $p_{\mathrm{T}}$	6	4	8
${\mathrm{Aplan}}_{\mathrm{jet}}$	$1.5{\mathit{\lambda }}_2$, where ${\mathit{\lambda }}_2$ is the second eigenvalue of the momentum tensor built with all jets	7	7	–
$m_{\mathrm{jj}}^{\min \mathrm{m}}$	Minimum dijet mass between any two jets	8	3	2
$\mathrm{\Delta }{R}_{\mathrm{hl}}^{\max \mathrm{\Delta }\mathrm{R}}$	$\mathrm{\Delta }R$ between the Higgs candidate and the furthest lepton	9	–	–
$m_{\mathrm{jj}}^{\mathrm{closest}}$	Dijet mass between any two jets closest to the Higgs mass of 125  GeV	10	–	10
$H_{\mathrm{T}}$	Scalar sum of jet $p_{\mathrm{T}}$ and lepton $p_{\mathrm{T}}$ values	–	6	3
$\mathrm{\Delta }{R}_{\mathrm{bb}}^{\max \mathrm{m}}$	$\mathrm{\Delta }R$ between the two b-tagged jets with the largest invariant mass	–	9	–
$\mathrm{\Delta }{R}_{\mathrm{lj}}^{\min \mathrm{\Delta }\mathrm{R}}$	Minimum $\mathrm{\Delta }R$ between any lepton and jet	–	10	–
$\mathrm{Centrality}$	Sum of the $p_{\mathrm{T}}$ divided by sum of the E for all jets and both leptons	–	–	7
$m_{\mathrm{jj}}^{\max {\mathrm{p}}_{\mathrm{T}}}$	Mass of the combination of any two jets with the largest vector sum $p_{\mathrm{T}}$	–	–	9
H4	Fifth Fox–Wolfram moment computed using all jets and both leptons	–	–	4
${p_{\mathrm{T}}}^{\mathrm{jet}3}$	$p_{\mathrm{T}}$ of the third leading jet	–	–	6