Events in both LO and NLO samples are reweighted to account for NLO EW corrections to [$\pt(\PV)$]{}, which reach up to 10% for ${\ensuremath{\pt(\PV)}\xspace}\approx 400\GeV$. In addition, a LO-to-NLO correction is applied to LO samples as a function of the separation in $\eta$ between the two leading jets in the event [@Sirunyan:2017elk]. The [$\pt(\PV)$]{}spectrum in simulation after the aforementioned corrections is observed to be harder than in data, as expected due to missing higher-order EW and QCD contributions to the +jets processes [@NLO_plus_QCD_weight]. A residual reweighting of [$\pt(\PV)$]{}, that is obtained via a fit to the data-to-simulation ratio in the control regions (detailed in Section \[sec:resolved\_an\]) of the [$\PW(\ell\PGn)\PH(\ccbar)$]{}and [$\PZ(\ell\ell)\PH(\ccbar)$]{}channels in the resolved analysis, is applied.

Diboson background events are generated with v2.4.2 [@Alwall:2014hca] at NLO with up to two additional partons in the matrix element calculations. The same generator is used at LO accuracy to generate a sample of QCD multijet events. The  [@Frixione:2007nw] and single top production processes in the $\PQt\PW$- and $t$-channels [@Re:2010bp; @Frederix:2012dh] are generated to NLO accuracy with v2, while the $s$-channel [@Alioli:2009je] single top process is generated with v2.4.2. The production cross sections for the samples are scaled to the NNLO prediction with the 