00001 cd /Herwig/Generators
00002 set LHCGenerator:EventHandler:LuminosityFunction:Energy 14000.0
00003
00004 #Intrinsic pT tune extrapolated to LHC energy
00005 set /Herwig/Shower/Evolver:IntrinsicPtGaussian 2.2*GeV
00006
00007 #PDF set
00008 cd /Herwig/Partons
00009 create ThePEG::LHAPDF myPDFset
00010 set myPDFset:PDFName cteq6ll.LHpdf
00011 set myPDFset:RemnantHandler HadronRemnants
00012 set /Herwig/Particles/p+:PDF myPDFset
00013 set /Herwig/Particles/pbar-:PDF myPDFset
00014
00015 #Some default parameters
00016 cd /Herwig/Generators
00017 #set LHCGenerator:RandomNumberGenerator:Seed 31122001
00018 set LHCGenerator:DebugLevel 1
00019 set LHCGenerator:PrintEvent 0
00020 set LHCGenerator:MaxErrors 10000
00021 set LHCGenerator:NumberOfEvents 1000000000
00022
00023 #UE parameters equivalent to fHerwig
00024 set /Herwig/Particles/K_S0:Stable Stable
00025 set /Herwig/Particles/Lambda0:Stable Stable
00026 cd /Herwig/Hadronization
00027 #Clustering parameters for b-quarks equivalent to fHerwig
00028 set ClusterFissioner:ClMaxBottom 3.35*GeV
00029 set ClusterFissioner:ClPowBottom 1.2
00030
00031 #MPI setup
00032 cd /Herwig/UnderlyingEvent
00033 set MPIHandler:Cuts 4.91*GeV
00034 set MPIHandler:InvRadius 1.8*GeV2
00035
00036 #ptmin = 10 GeV
00037 set /Herwig/Cuts/JetKtCut:MinKT 10.0*GeV
00038
00039 #Enable QED YFS radiation
00040 cd /Herwig/EventHandlers
00041 insert LHCHandler:PostSubProcessHandlers[0] /Herwig/QEDRadiation/QEDRadiationHandler
00042
00043 #Set up for pp -> Z + jets process
00044 cd /Herwig/MatrixElements
00045 insert SimpleQCD:MatrixElements[0] MEZJet
00046 #insert SimpleQCD:MatrixElements[0] MEqq2gZ2ff
00047 set SimpleQCD:MatrixElements[0]:GammaZ 2
00048 #set SimpleQCD:MatrixElements[0]:Process 5
00049 #set SimpleQCD:MatrixElements[0]:ZDecay 5
00050 #cd /Herwig/MatrixElements
00051 #insert SimpleQCD:MatrixElements[0] MEQCD2to2
