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import FWCore.ParameterSet.Config as cms
# Tune in Herwig version 2.7 for the CTEQ6L1 PDF
# UE-EE-5-CTEQ6L1, see
# https://herwig.hepforge.org/trac/wiki/MB_UE_tunes
herwigppUESettingsBlock = cms.PSet(
hwpp_ue_EE5CEnergyExtrapol = cms.vstring(
'set /Herwig/UnderlyingEvent/MPIHandler:EnergyExtrapolation Power',
'set /Herwig/UnderlyingEvent/MPIHandler:ReferenceScale 7000.*GeV',
'set /Herwig/UnderlyingEvent/MPIHandler:Power 0.33',
'set /Herwig/UnderlyingEvent/MPIHandler:pTmin0 3.91*GeV',
),
hwpp_ue_EE5C = cms.vstring(
'+hwpp_ue_EE5CEnergyExtrapol',
# Colour reconnection settings
'set /Herwig/Hadronization/ColourReconnector:ColourReconnection Yes',
'set /Herwig/Hadronization/ColourReconnector:ReconnectionProbability 0.49',
# Colour Disrupt settings
'set /Herwig/Partons/RemnantDecayer:colourDisrupt 0.80',
# inverse hadron radius
'set /Herwig/UnderlyingEvent/MPIHandler:InvRadius 2.30',
# MPI model settings
'set /Herwig/UnderlyingEvent/MPIHandler:softInt Yes',
'set /Herwig/UnderlyingEvent/MPIHandler:twoComp Yes',
'set /Herwig/UnderlyingEvent/MPIHandler:DLmode 2',
),
)
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