LHC-UE-EE-4.in

# tune 'LHC-UE-EE-4' parameters: -------------------
#%tuneFile%
# LHC-UE-EE-4 underlying-event tune (MRST LO** PDF set)
# Source: Herwig++ SVN (http://herwig.hepforge.org/trac/export/7360/trunk/src/LHC-UE-EE-4.in)
# More info: Herwig++ wiki (http://herwig.hepforge.org/trac/wiki/MB_UE_tunes)

# Running of alpha_s
cd /Herwig
create Herwig::O2AlphaS O2AlphaS
set Model:QCD/RunningAlphaS O2AlphaS

# MPI energy extrapolation settings
set /Herwig/UnderlyingEvent/MPIHandler:EnergyExtrapolation Power
set /Herwig/UnderlyingEvent/MPIHandler:ReferenceScale 7000.*GeV
set /Herwig/UnderlyingEvent/MPIHandler:Power 0.21
set /Herwig/UnderlyingEvent/MPIHandler:pTmin0 3.11*GeV

# Energy-independent MPI parameters
# Colour reconnection settings
set /Herwig/Hadronization/ColourReconnector:ColourReconnection Yes
set /Herwig/Hadronization/ColourReconnector:ReconnectionProbability 0.54 
# Colour Disrupt settings
set /Herwig/Partons/RemnantDecayer:colourDisrupt 0.80
# inverse hadron radius
set /Herwig/UnderlyingEvent/MPIHandler:InvRadius 1.11
# MPI model settings
set /Herwig/UnderlyingEvent/MPIHandler:softInt Yes
set /Herwig/UnderlyingEvent/MPIHandler:twoComp Yes
set /Herwig/UnderlyingEvent/MPIHandler:DLmode 2
# ---------------------------------------------