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diff --git a/src/LHC-MB.in b/src/LHC-MB.in
--- a/src/LHC-MB.in
+++ b/src/LHC-MB.in
@@ -1,58 +1,54 @@
################################################################################
# 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
################################################################################
##################################################
# Technical parameters for this run
##################################################
cd /Herwig/Generators
set LHCGenerator:NumberOfEvents 10000000
set LHCGenerator:RandomNumberGenerator:Seed 31122001
set LHCGenerator:PrintEvent 10
set LHCGenerator:MaxErrors 1000000
set LHCGenerator:DebugLevel 0
set LHCGenerator:DumpPeriod -1
set LHCGenerator:DebugEvent 0
##################################################
# LHC physics parameters (override defaults here)
##################################################
set LHCGenerator:EventHandler:LuminosityFunction:Energy 8000.0
# Intrinsic pT tune extrapolated to LHC energy
set /Herwig/Shower/Evolver:IntrinsicPtGaussian 2.2*GeV
##################################################
# Matrix Elements for hadron-hadron collisions
##################################################
cd /Herwig/MatrixElements/
insert SimpleQCD:MatrixElements[0] MEMinBias
-# Need this cut only for min bias
-cd /Herwig/Cuts
-set JetKtCut:MinKT 0.0*GeV
-set QCDCuts:MHatMin 0.0*GeV
-set QCDCuts:X1Min 0.055
-set QCDCuts:X2Min 0.055
# MPI model settings
set /Herwig/UnderlyingEvent/MPIHandler:IdenticalToUE 0
+cd /Herwig/Generators
-cd /Herwig/Generators
+# Change to have no pT cuts for MinBias
+set LHCGenerator:EventHandler:Cuts /Herwig/Cuts/MinBiasCuts
#insert LHCGenerator: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'
##################################################
saverun LHC-MB LHCGenerator
diff --git a/src/defaults/Cuts.in b/src/defaults/Cuts.in
--- a/src/defaults/Cuts.in
+++ b/src/defaults/Cuts.in
@@ -1,115 +1,122 @@
###########################################################
# Default cuts (applied to the hard subprocess)
#
# Don't change values here, re-set them in your own input
# files using these as examples.
###########################################################
mkdir /Herwig/Matchers
cd /Herwig/Matchers
create ThePEG::Matcher<Lepton> Lepton
create ThePEG::Matcher<ChargedLepton> ChargedLepton
create ThePEG::Matcher<LightQuark> LightQuark
create ThePEG::Matcher<LightAntiQuark> LightAntiQuark
create ThePEG::Matcher<StandardQCDParton> StandardQCDParton
create ThePEG::Matcher<Photon> Photon
create ThePEG::Matcher<Top> Top
create ThePEG::Matcher<WBoson> WBoson
create ThePEG::Matcher<ZBoson> ZBoson
create ThePEG::Matcher<HiggsBoson> HiggsBoson
mkdir /Herwig/Cuts
cd /Herwig/Cuts
# create the cuts object for e+e-
create ThePEG::Cuts EECuts
newdef EECuts:MHatMin 22.36*GeV
# create the cuts object for hadron collisions
create ThePEG::Cuts QCDCuts
newdef QCDCuts:ScaleMin 2.0*GeV
newdef QCDCuts:X1Min 1.0e-5
newdef QCDCuts:X2Min 1.0e-5
newdef QCDCuts:MHatMin 20.*GeV
# cut on jet pt
create ThePEG::SimpleKTCut JetKtCut SimpleKTCut.so
newdef JetKtCut:Matcher /Herwig/Matchers/StandardQCDParton
newdef JetKtCut:MinKT 20.0*GeV
# cut on photon
create ThePEG::SimpleKTCut PhotonKtCut SimpleKTCut.so
newdef PhotonKtCut:Matcher /Herwig/Matchers/Photon
newdef PhotonKtCut:MinKT 20.0*GeV
newdef PhotonKtCut:MinEta -3.
newdef PhotonKtCut:MaxEta 3.
# cut on leptons
create ThePEG::SimpleKTCut LeptonKtCut SimpleKTCut.so
newdef LeptonKtCut:Matcher /Herwig/Matchers/Lepton
newdef LeptonKtCut:MinKT 0.0*GeV
# cut on charged leptons
create ThePEG::SimpleKTCut ChargedLeptonKtCut SimpleKTCut.so
newdef ChargedLeptonKtCut:Matcher /Herwig/Matchers/ChargedLepton
newdef ChargedLeptonKtCut:MinKT 0.0*GeV
# cut on top quarks
create ThePEG::KTRapidityCut TopKtCut KTRapidityCut.so
newdef TopKtCut:Matcher /Herwig/Matchers/Top
newdef TopKtCut:MinKT 0.0*GeV
# cut on W bosons
create ThePEG::KTRapidityCut WBosonKtCut KTRapidityCut.so
newdef WBosonKtCut:Matcher /Herwig/Matchers/WBoson
newdef WBosonKtCut:MinKT 0.0*GeV
# cut on Z bosons
create ThePEG::KTRapidityCut ZBosonKtCut KTRapidityCut.so
newdef ZBosonKtCut:Matcher /Herwig/Matchers/ZBoson
newdef ZBosonKtCut:MinKT 0.0*GeV
# cut on Higgs bosons
create ThePEG::KTRapidityCut HiggsBosonKtCut KTRapidityCut.so
newdef HiggsBosonKtCut:Matcher /Herwig/Matchers/HiggsBoson
newdef HiggsBosonKtCut:MinKT 0.0*GeV
# create a cut on the invariant mass of lepton pairs
create ThePEG::V2LeptonsCut MassCut V2LeptonsCut.so
newdef MassCut:Families All
newdef MassCut:CComb All
newdef MassCut:MinM 20.*GeV
newdef MassCut:MaxM 14000.*GeV
# create a cut on Q^2 for neutral current DIS
create ThePEG::SimpleDISCut NeutralCurrentCut SimpleDISCut.so
newdef NeutralCurrentCut:MinQ2 20.
newdef NeutralCurrentCut:Current Neutral
# create a cut on Q^2 for charged current DIS
create ThePEG::SimpleDISCut ChargedCurrentCut SimpleDISCut.so
newdef ChargedCurrentCut:MinQ2 20.
newdef ChargedCurrentCut:Current Charged
# create a cut of Q^2 for charged current DIS
# insert into hadron cuts
insert QCDCuts:OneCuts[0] JetKtCut
insert QCDCuts:OneCuts[1] PhotonKtCut
insert QCDCuts:OneCuts[2] LeptonKtCut
insert QCDCuts:OneCuts[3] TopKtCut
insert QCDCuts:OneCuts[4] WBosonKtCut
insert QCDCuts:OneCuts[5] ZBosonKtCut
insert QCDCuts:OneCuts[6] HiggsBosonKtCut
insert QCDCuts:OneCuts[7] ChargedLeptonKtCut
insert QCDCuts:MultiCuts[0] MassCut
# cuts for DIS
create ThePEG::Cuts DISCuts
newdef DISCuts:ScaleMin 1.0*GeV
newdef DISCuts:X1Min 1.0e-5
newdef DISCuts:X2Min 1.0e-5
insert DISCuts:TwoCuts[0] NeutralCurrentCut
insert DISCuts:TwoCuts[1] ChargedCurrentCut
+
+# create diffrent cuts object for MinBias to avoid numerical problems
+create ThePEG::Cuts MinBiasCuts
+newdef MinBiasCuts:ScaleMin 2.0*GeV
+newdef MinBiasCuts:X1Min 0.055
+newdef MinBiasCuts:X2Min 0.055
+newdef MinBiasCuts:MHatMin 0.0*GeV

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