## Configure Pythia 8 to shower PoWHEG input using Main31 shower veto include("MC15JobOptions/Pythia8_Powheg.py") genSeq.Pythia8.Commands += [ 'SpaceShower:pTmaxMatch = 2', 'TimeShower:pTmaxMatch = 2' ] genSeq.Pythia8.UserHook = 'Main31'