Pythia versus Alpgen for W+jets (High Mass Dibosons work). Sarah Allwood 07/12/06. Introduction. Our VBF signal is WWqq WWq’q’:. l ν. qq. For high m WW , this is one jet with some substructure for cone Δ R =0.7 or k T R=0.5, and not quite 2 jets for cone Δ R =0.4.
For high mWW, this is one jet with some substructure for cone ΔR =0.7 or kT R=0.5, and not quite 2 jets for cone
5618 unweighted events for Alpgen: σ = 3.46±0.17 pb through Herwig
σ = 3.29 pb through Pythia.
100000events for Pythia: σ = 13.53 pb.
Required NJET>2, ptjet>20GeV, pt lepton>100GeV, ptmiss>100GeV, pt leptonic W>300GeV, pt hadronic W >300GeV.
alpgen through pythia
Alpgen through Pythia
Alpgen through Herwig
alpgen through herwig
alpgen through herwig vs Pythia