#*********************************************************************** # MadGraph5_aMC@NLO * # * # run_card.dat aMC@NLO * # * # This file is used to set the parameters of the run. * # * # Some notation/conventions: * # * # Lines starting with a hash (#) are info or comments * # * # mind the format: value = variable ! comment * # * # Some of the values of variables can be list. These can either be * # comma or space separated. * #*********************************************************************** # #******************* # Running parameters #******************* # #*********************************************************************** # Tag name for the run (one word) * #*********************************************************************** %(run_tag)s = run_tag ! name of the run #*********************************************************************** # Number of LHE events (and their normalization) and the required * # (relative) accuracy on the Xsec. * # These values are ignored for fixed order runs * #*********************************************************************** %(nevents)s = nevents ! Number of unweighted events requested %(req_acc)s = req_acc ! Required accuracy (-1=auto determined from nevents) %(nevt_job)s = nevt_job! Max number of events per job in event generation. ! (-1= no split). #*********************************************************************** # Normalize the weights of LHE events such that they sum or average to * # the total cross section * #*********************************************************************** %(event_norm)s = event_norm ! average or sum #*********************************************************************** # Number of points per itegration channel (ignored for aMC@NLO runs) * #*********************************************************************** %(req_acc_fo)s = req_acc_FO ! Required accuracy (-1=ignored, and use the ! number of points and iter. below) # These numbers are ignored except if req_acc_FO is equal to -1 %(npoints_fo_grid)s = npoints_FO_grid ! number of points to setup grids %(niters_fo_grid)s = niters_FO_grid ! number of iter. to setup grids %(npoints_fo)s = npoints_FO ! number of points to compute Xsec %(niters_fo)s = niters_FO ! number of iter. to compute Xsec #*********************************************************************** # Random number seed * #*********************************************************************** %(iseed)s = iseed ! rnd seed (0=assigned automatically=default)) #*********************************************************************** # Collider type and energy * #*********************************************************************** %(lpp1)s = lpp1 ! beam 1 type (0 = no PDF) %(lpp2)s = lpp2 ! beam 2 type (0 = no PDF) %(ebeam1)s = ebeam1 ! beam 1 energy in GeV %(ebeam2)s = ebeam2 ! beam 2 energy in GeV #*********************************************************************** # PDF choice: this automatically fixes also alpha_s(MZ) and its evol. * #*********************************************************************** %(pdlabel)s = pdlabel ! PDF set %(lhaid)s = lhaid ! If pdlabel=lhapdf, this is the lhapdf number. Only ! numbers for central PDF sets are allowed. Can be a list; ! PDF sets beyond the first are included via reweighting. #*********************************************************************** # Include the NLO Monte Carlo subtr. terms for the following parton * # shower (HERWIG6 | HERWIGPP | PYTHIA6Q | PYTHIA6PT | PYTHIA8) * # WARNING: PYTHIA6PT works only for processes without FSR!!!! * #*********************************************************************** %(parton_shower)s = parton_shower %(shower_scale_factor)s = shower_scale_factor ! multiply default shower starting ! scale by this factor #*********************************************************************** # Renormalization and factorization scales * # (Default functional form for the non-fixed scales is the sum of * # the transverse masses divided by two of all final state particles * # and partons. This can be changed in SubProcesses/set_scales.f or via * # dynamical_scale_choice option) * #*********************************************************************** %(fixed_ren_scale)s = fixed_ren_scale ! if .true. use fixed ren scale %(fixed_fac_scale)s = fixed_fac_scale ! if .true. use fixed fac scale %(mur_ref_fixed)s = muR_ref_fixed ! fixed ren reference scale %(muf_ref_fixed)s = muF_ref_fixed ! fixed fact reference scale %(dynamical_scale_choice)s = dynamical_scale_choice ! Choose one (or more) of the predefined ! dynamical choices. Can be a list; scale choices beyond the ! first are included via reweighting %(mur_over_ref)s = muR_over_ref ! ratio of current muR over reference muR %(muf_over_ref)s = muF_over_ref ! ratio of current muF over reference muF #*********************************************************************** # Reweight variables for scale dependence and PDF uncertainty * #*********************************************************************** %(rw_rscale)s = rw_rscale ! muR factors to be included by reweighting %(rw_fscale)s = rw_fscale ! muF factors to be included by reweighting %(reweight_scale)s = reweight_scale ! Reweight to get scale variation using the ! rw_rscale and rw_fscale factors. Should be a list of ! booleans of equal length to dynamical_scale_choice to ! specify for which choice to include scale dependence. %(reweight_pdf)s = reweight_PDF ! Reweight to get PDF uncertainty. Should be a ! list booleans of equal length to lhaid to specify for ! which PDF set to include the uncertainties. #*********************************************************************** # Store reweight information in the LHE file for off-line model- * # parameter reweighting at NLO+PS accuracy * #*********************************************************************** %(store_rwgt_info)s = store_rwgt_info ! Store info for reweighting in LHE file #*********************************************************************** # ickkw parameter: * # 0: No merging * # 3: FxFx Merging - WARNING! Applies merging only at the hard-event * # level. After showering an MLM-type merging should be applied as * # well. See http://amcatnlo.cern.ch/FxFx_merging.htm for details. * # 4: UNLOPS merging (with pythia8 only). No interface from within * # MG5_aMC available, but available in Pythia8. * # -1: NNLL+NLO jet-veto computation. See arxiv:1412.8408 [hep-ph]. * #*********************************************************************** %(ickkw)s = ickkw #*********************************************************************** # #*********************************************************************** # BW cutoff (M+/-bwcutoff*Gamma). Determines which resonances are * # written in the LHE event file * #*********************************************************************** %(bwcutoff)s = bwcutoff #*********************************************************************** # Cuts on the jets. Jet clustering is performed by FastJet. * # - When matching to a parton shower, these generation cuts should be * # considerably softer than the analysis cuts. * # - More specific cuts can be specified in SubProcesses/cuts.f * #*********************************************************************** %(jetalgo)s = jetalgo ! FastJet jet algorithm (1=kT, 0=C/A, -1=anti-kT) %(jetradius)s = jetradius ! The radius parameter for the jet algorithm %(ptj)s = ptj ! Min jet transverse momentum %(etaj)s = etaj ! Max jet abs(pseudo-rap) (a value .lt.0 means no cut) #*********************************************************************** # Cuts on the charged leptons (e+, e-, mu+, mu-, tau+ and tau-) * # More specific cuts can be specified in SubProcesses/cuts.f * #*********************************************************************** %(ptl)s = ptl ! Min lepton transverse momentum %(etal)s = etal ! Max lepton abs(pseudo-rap) (a value .lt.0 means no cut) %(drll)s = drll ! Min distance between opposite sign lepton pairs %(drll_sf)s = drll_sf ! Min distance between opp. sign same-flavor lepton pairs %(mll)s = mll ! Min inv. mass of all opposite sign lepton pairs %(mll_sf)s = mll_sf ! Min inv. mass of all opp. sign same-flavor lepton pairs #*********************************************************************** # Photon-isolation cuts, according to hep-ph/9801442. When ptgmin=0, * # all the other parameters are ignored. * # More specific cuts can be specified in SubProcesses/cuts.f * #*********************************************************************** %(ptgmin)s = ptgmin ! Min photon transverse momentum %(etagamma)s = etagamma ! Max photon abs(pseudo-rap) %(r0gamma)s = R0gamma ! Radius of isolation code %(xn)s = xn ! n parameter of eq.(3.4) in hep-ph/9801442 %(epsgamma)s = epsgamma ! epsilon_gamma parameter of eq.(3.4) in hep-ph/9801442 %(isoem)s = isoEM ! isolate photons from EM energy (photons and leptons) #*********************************************************************** # For aMCfast+APPLGRID use in PDF fitting (http://amcfast.hepforge.org)* #*********************************************************************** %(iappl)s = iappl ! aMCfast switch (0=OFF, 1=prepare grids, 2=fill grids) #***********************************************************************