diff --git a/src/LHC-MB.in b/src/LHC-MB.in --- a/src/LHC-MB.in +++ b/src/LHC-MB.in @@ -1,69 +1,103 @@ # -*- ThePEG-repository -*- ################################################################################ # This file contains our best tune to UE data from ATLAS at 7 TeV. More recent # tunes and tunes for other centre-of-mass energies as well as more usage # instructions can be obtained from this Herwig wiki page: # http://projects.hepforge.org/herwig/trac/wiki/MB_UE_tunes # The model for soft interactions and diffractions is explained in # [S. Gieseke, P. Kirchgaesser, F. Loshaj, arXiv:1612.04701] ################################################################################ read snippets/PPCollider.in ################################################## # Technical parameters for this run ################################################## cd /Herwig/Generators ################################################## # LHC physics parameters (override defaults here) ################################################## set EventGenerator:EventHandler:LuminosityFunction:Energy 7000.0 +# Intrinsic pT tune extrapolated to LHC energy +set /Herwig/Shower/ShowerHandler:IntrinsicPtGaussian 2.2*GeV # Minimum Bias read snippets/MB.in # Read in parameters of the soft model recommended for MB/UE simulations read snippets/SoftTune.in -# Diffraction model + +#Diffraction model read snippets/Diffraction.in -# Read in snippet in order to use baryonic reconnection model with modified gluon splitting (uds) -# For more details see [S. Gieseke, P. Kirchgaeßer, S. Plätzer. arXiv:1710.10906]] -############################################################################################## +#Turn on Baryonic reconnection +read snippets/BaryonicReconnection.in -# read snippets/BaryonicReconnection.in +# Normalization of the Min bias cross section for correct diffractive cross section +set /Herwig/MatrixElements/MEMinBias:csNorm 0.01 -################################################## + +# Use LHC parametrization of the cross section +set /Herwig/UnderlyingEvent/MPIHandler:DLmode 3 + + +#some preliminary parameters for the MPI model which need to be tuned +#TODO +set /Herwig/UnderlyingEvent/MPIHandler:pTmin0 3.02 +set /Herwig/UnderlyingEvent/MPIHandler:InvRadius 0.9 +set /Herwig/UnderlyingEvent/MPIHandler:Power 0.308 +set /Herwig/Partons/RemnantDecayer:ladderMult 0.45 +set /Herwig/Partons/RemnantDecayer:ladderbFactor 1.0 + +#ordered pTs +set /Herwig/Partons/RemnantDecayer:PtDistribution 5 +#use random remnant connections +set /Herwig/Partons/RemnantDecayer:RandomConnection Yes + +# set the correct PDFs +cd /Herwig/Partons +set HardLOPDF:PDFName CT14lo +set ShowerLOPDF:PDFName CT14lo +set MPIPDF:PDFName CT14lo +set RemnantPDF:PDFName CT14lo + +#set /Herwig/Shower/ShowerHandler:CascadeHandler NULL # Switch off parton shower +#set /Herwig/Hadronization/HadronizationHandler:HadronizationHandler NULL +# do Soft interactions + +#set /Herwig/Hadronization/ColourReconnector:ColourReconnection No +################################################# # Analyses ################################################## +#Comment these lines out in order to use rivet analyses +#cd /Herwig/Analysis +#create ThePEG::RivetAnalysis RivetAnalysis RivetAnalysis.so -# cd /Herwig/Analysis -# create ThePEG::RivetAnalysis RivetAnalysis RivetAnalysis.so +#cd /Herwig/Generators +#insert EventGenerator:AnalysisHandlers 0 /Herwig/Analysis/RivetAnalysis -# cd /Herwig/Generators -# insert EventGenerator:AnalysisHandlers 0 /Herwig/Analysis/RivetAnalysis - -# insert /Herwig/Analysis/RivetAnalysis:Analyses 0 ATLAS_20XX_XXXXXXX - +#Some example analyses +#insert /Herwig/Analysis/RivetAnalysis:Analyses 0 ATLAS_2012_I1084540 +#insert /Herwig/Analysis/RivetAnalysis:Analyses 0 ATLAS_2010_S8918562 #set /Herwig/Analysis/Plot:EventNumber 54 #cd /Herwig/Generators #insert EventGenerator:AnalysisHandlers 0 /Herwig/Analysis/Plot #insert EventGenerator:AnalysisHandlers 0 /Herwig/Analysis/HepMCFile #set /Herwig/Analysis/HepMCFile:PrintEvent 1000000 #set /Herwig/Analysis/HepMCFile:Format GenEvent #set /Herwig/Analysis/HepMCFile:Units GeV_mm #set /Herwig/Analysis/HepMCFile:Filename events.fifo ################################################## # Save run for later usage with 'Herwig run' ################################################## cd /Herwig/Generators saverun LHC-MB EventGenerator