Jet neutral fraction


The left plot shows the rt distribution for inclusive jets with p_T > 10 GeV. The right plot shows mean values of the rt for different p_T bins.


Sacrifice steering:

run-pythia --collision-energy 510 -c "HardQCD:all=on" -c "PhaseSpace:pTHatMin=8." -n 500000
Uses default PDF — NNPDF 2.3

Herwig steering:

cd /Herwig/Generators
set LHCGenerator:NumberOfEvents 500000
set LHCGenerator:RandomNumberGenerator:Seed 31122001
set LHCGenerator:MaxErrors 10000

set /Herwig/Shower/Evolver:IntrinsicPtGaussian 2.2*GeV
set LHCGenerator:EventHandler:LuminosityFunction:Energy 510.0

cd /Herwig/Cuts
set QCDCuts:MHatMin 4.*GeV
set JetKtCut:MinKT 8.*GeV

cd /Herwig/MatrixElements/
insert SimpleQCD:MatrixElements[0] MEQCD2to2

cd /Herwig/Generators
insert LHCGenerator:AnalysisHandlers 0 /Herwig/Analysis/HepMCFile
set /Herwig/Analysis/HepMCFile:PrintEvent 500000
set /Herwig/Analysis/HepMCFile:Format GenEvent
set /Herwig/Analysis/HepMCFile:Units GeV_mm
set /Herwig/Analysis/HepMCFile:Filename /tmp/fifo.hepmc

run RHIC LHCGenerator
Uses default PDF — MMHT2014lo68cl