# steering file based on example from Sherpa 1.2.3 distribution: # share/SHERPA-MC/Examples/LHC_ZJets/Run.dat (run){ # disable colorizing of text printed on screen: PRETTY_PRINT = Off # number of events: EVENTS = 100000 # set random seed: # (see section "6.1.3 RANDOM_SEED" of Sherpa manual for details) RANDOM_SEED = 1 1 1 1 # Event output file: EVENT_OUTPUT = HepMC_GenEvent[sherpa] # full name of output file will be: # "sherpa.hepmc2g" # disable splitting of HepMC output file: FILE_SIZE = 1000000000 # Makes particles with c*tau > 10 mm stable: MAX_PROPER_LIFETIME = 10.0 }(run) (beam){ BEAM_1 = 2212; BEAM_ENERGY_1 = 3500.; BEAM_2 = 2212; BEAM_ENERGY_2 = 3500.; }(beam) # Switch on W->e,nu and W->mu,nu plus at least one jet # No merging to avoid problems with long-running jobs and analyses # anyway mainly sensitive to W1j + shower. (processes){ Process 93 93 -> 11 -12 93 93{0} Order (*,2); CKKW sqr(30/E_CMS) Integration_Error 0.01 {3}; # Integration_Error 0.02 {4}; Process 93 93 -> -11 12 93 93{0} Order (*,2); CKKW sqr(30/E_CMS) Integration_Error 0.01 {3}; # Integration_Error 0.02 {4}; Process 93 93 -> 13 -14 93 93{0} Order (*,2); CKKW sqr(30/E_CMS) Integration_Error 0.01 {3}; # Integration_Error 0.02 {4}; Process 93 93 -> -13 14 93 93{0} Order (*,2); CKKW sqr(30/E_CMS) Integration_Error 0.01 {3}; # Integration_Error 0.02 {4}; End process; }(processes) (selector){ # Set cuts # Use this for hard leading QCD parton in a certain pT window PT 93 125 7000 # Sherpa allows to constrain the dilepton mass; use rather large window (RIVET does the rest) Mass -11 12 40. E_CMS Mass 11 -12 40. E_CMS Mass -13 14 40. E_CMS Mass 13 -14 40. E_CMS }(selector) (me){ ME_SIGNAL_GENERATOR = Internal Comix }(me) (mi){ MI_HANDLER = Amegic # None or Amisic }(mi) # Parameter specifications for 'default': ------------------- #%tuneFile% # ---------------------------------------------