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In this article we present the next-to-leading order QCD predictions for$Wb\bar{b}+n$-jet ($n=0,1,2,3$) production at the Large Hadron Collider with$\sqrt{s}=13$ TeV. We work in the four-flavor number scheme with anon-vanishing bottom-quark mass and include all subprocesses at leadingelectroweak order as well as all heavy-fermion-loop effects. We show the impactof QCD corrections for total as well as differential cross sections and make anassessment of theoretical uncertainties of $Wb\bar{b}$ production viewed as anirreducible background to $H(\rightarrow b{\bar b})W$ studies. For thecalculations we have employed an upgraded version of the BlackHat library whichcan handle massive fermions in combination with SHERPA. Our results can beexplored through publicly available $n$-tuple sets.

NLO QCD Predictions for $Wb\bar b$ Production in Association with up to Three Light Jets at the LHC