Table 1.

Details of the signal and background Monte Carlo samples used in this work. Also provided are the inclusive K-factors which are applied to reproduce the known higher-order results

Process	Generator	$N_{\mathrm{evt}}$	${\mathit{\sigma }}_{\mathrm{LO}}$ (pb)	K-factor
$pp\to hh\to 4b$	MadGraph5_aMC@NLO	1M	$6.2\times {10}^{-3}$	2.4 (NNLO+NNLL [18, 19])
$pp\to b\overline{b}b\overline{b}$	SHERPA	3M	$1.1\times {10}^3$	1.6 (NLO [63])
$pp\to b\overline{b}jj$	SHERPA	3M	$2.7\times {10}^5$	1.3 (NLO [63])
$pp\to jjjj$	SHERPA	3M	$9.7\times {10}^6$	0.6 (NLO [77])
$pp\to t\overline{t}\to b\overline{b}jjjj$	SHERPA	3M	$2.5\times {10}^3$	1.4 (NNLO+NNLL [78])