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0001 ! START HEADER
0002 !
0003 ! PARAM_NEVENTS = 1000
0004 ! PARAM_HADBEAM_ENERGY = 275
0005 ! PARAM_EBEAM_ENERGY = 18
0006 ! PARAM_PDFSET = LHAPDF6:CT18NNLO
0007 ! PARAM_RANDOM_SEED = 12345
0008 !
0009 ! END HEADER
0010
0011
0012 ! 1) Settings used in the main program.
0013 Main:numberOfEvents = PARAM_NEVENTS ! number of events to generate
0014 Main:timesAllowErrors = 3 ! how many aborts before run stops
0015
0016
0017 ! 2) Settings related to output in init(), next() and stat().
0018 Init:showChangedSettings = on ! list changed settings
0019 Init:showChangedParticleData = off ! list changed particle data
0020 Next:numberCount = 100 ! print message every n events
0021 Next:numberShowInfo = 1 ! print event information n times
0022 Next:numberShowProcess = 1 ! print process record n times
0023 Next:numberShowEvent = 0 ! print event record n times
0024
0025 ! 3) Beam parameter settings. Values below agree with default ones.
0026 Beams:idA = 2212 ! electron
0027 Beams:idB = 11 ! proton
0028 Beams:eA = PARAM_HADBEAM_ENERGY ! proton energy
0029 Beams:eB = PARAM_EBEAM_ENERGY ! electron energy
0030 Beams:frameType = 2
0031
0032 ! 4) Settings for the hard-process generation.
0033
0034 WeakBosonExchange:ff2ff(t:W) = on ! charged-current DIS
0035 #WeakBosonExchange:ff2ff(t:gmZ) = on ! neutral-current DIS
0036 PhaseSpace:Q2Min = 100
0037 PDF:lepton = off
0038 PDF:pSet = PARAM_PDFSET
0039 #PDF:pSet = LHAPDF6:CT18NNLO
0040 #PDF:pSet = LHAPDF6:CT18ANNLO
0041 #PDF:pSet = LHAPDF6:CT18NLO
0042 #PDF:pSet = LHAPDF6:CT18ANLO
0043 TimeShower:QEDshowerByL=off
0044 SpaceShower:pTmaxMatch=2
0045
0046 ! 5) Switch on/off the key event generation steps.
0047 #PartonLevel:MPI = off ! no multiparton interactions
0048 #PartonLevel:ISR = off ! no initial-state radiation
0049 #PartonLevel:FSR = off ! no final-state radiation
0050 #HadronLevel:Hadronize = off ! no hadronization
0051 #HadronLevel:Decay = off ! no decays
0052
0053 ! Allow long-lived hadrons to decay, since Delphes will not handle them
0054 #310:mayDecay = true ! K0_S
0055 #3122:mayDecay = true ! Lambda
0056
0057
0058 ! 6) Other settings. Can be expanded as desired.
0059 #Tune:preferLHAPDF = off ! use internal PDFs when LHAPDF not linked
0060 #Tune:pp = 6 ! use Tune 4Cx
0061
0062 ! Allow long-lived particle decay within the EIC tracking volume
0063 ParticleDecays:limitCylinder = on
0064 ParticleDecays:xyMax = 800
0065 ParticleDecays:zMax = 1000
0066
0067 Random:setSeed = on
0068 Random:seed = PARAM_RANDOM_SEED
