! 1) Settings that will be used in a main program. Main:numberOfEvents = 100000 ! number of events to generate Next:numberShowEvent = 0 ! suppress full listing of first events # random seed Random:setSeed = on Random:seed = 7 ! 2) Beam parameter settings. Beams:idA = 11 ! first beam, e- = 11 Beams:idB = -11 ! second beam, e+ = -11 Beams:eCM = 133 ! CM energy of collision # Pythia 8 settings for LEP # Hadronic decays including b quarks, with ISR photons switched off WeakSingleBoson:ffbar2gmZ = on 23:onMode = off 23:onIfAny = 1 2 3 4 5 PDF:lepton = off SpaceShower:QEDshowerByL = off ## For four-jet angles, no hadronization, uncomment this #HadronLevel:all = off ## Set cuts ## Use this for hard leading-jets in a certain pT window #PhaseSpace:pTHatMin = 0 # min pT #PhaseSpace:pTHatMax = 133 # max pT # ## Use this for hard leading-jets in a certain mHat window #PhaseSpace:mHatMin = 0 # min mHat #PhaseSpace:mHatMax = 133 # max mHat # LEP : Make particles with c*tau > 100 mm stable: # (E.g., K0S, Lambda, Sigma, Xi, Omega are treated as *unstable*.) ParticleDecays:limitTau0 = On ParticleDecays:tau0Max = 100.0 # Tune setup: Tune:ee = 0 # The "mode 0" QCD colour-reconnection tune from Christiansen and Skands. StringZ:aLund = 0.36 StringZ:bLund = 0.56 StringFlav:probQQtoQ = 0.078 StringFlav:probStoUD = 0.2 StringFlav:probQQ1toQQ0join = { 0.5, 0.7, 0.9, 1.0 } MultiPartonInteractions:pT0Ref = 2.12 BeamRemnants:remnantMode = 1 BeamRemnants:saturation = 5 # QCD CR parameters ColourReconnection:mode = 1 ColourReconnection:allowDoubleJunRem = off ColourReconnection:m0 = 2.9 ColourReconnection:allowJunctions = on ColourReconnection:junctionCorrection = 1.43 ColourReconnection:timeDilationMode = 0