File indexing completed on 2024-04-06 12:03:36
0001 import FWCore.ParameterSet.Config as cms
0002 import os
0003
0004 source = cms.Source("EmptySource")
0005
0006 _generator = cms.EDFilter("SherpaGeneratorFilter",
0007 maxEventsToPrint = cms.int32(0),
0008 filterEfficiency = cms.untracked.double(1.0),
0009 crossSection = cms.untracked.double(-1),
0010 SherpaProcess = cms.string('ttbar_2j_MENLOPS_13TeV'),
0011 SherpackLocation = cms.string('/cvmfs/cms.cern.ch/phys_generator/gridpacks/slc7_amd64_gcc820/13TeV/sherpa/2.2.8'),
0012 SherpackChecksum = cms.string('4efdf38e0d189d58c65a554ef901d027'),
0013 FetchSherpack = cms.bool(True),
0014 SherpaPath = cms.string('./'),
0015 SherpaPathPiece = cms.string('./'),
0016 SherpaResultDir = cms.string('Result'),
0017 SherpaDefaultWeight = cms.double(1.0),
0018 SherpaParameters = cms.PSet(parameterSets = cms.vstring(
0019 "MPI_Cross_Sections",
0020 "Run"),
0021 MPI_Cross_Sections = cms.vstring(
0022 " MPIs in Sherpa, Model = Amisic:",
0023 " semihard xsec = 39.5554 mb,",
0024 " non-diffractive xsec = 17.0318 mb with nd factor = 0.3142."
0025 ),
0026 Run = cms.vstring(
0027 " (run){",
0028 " CORE_SCALE TTBar;",
0029 " METS_BBAR_MODE 5;",
0030 " NJET:=2; LJET:=2; QCUT:=20.;",
0031 " ME_SIGNAL_GENERATOR Comix Amegic LOOPGEN;",
0032 " OL_PREFIX={0};".format(os.environ['CMS_OPENLOOPS_PREFIX'] if 'CMS_OPENLOOPS_PREFIX' in os.environ else ''),
0033 " LOOPGEN:=OpenLoops;",
0034 " MI_HANDLER=Amisic;",
0035 " NLO_SMEAR_THRESHOLD 1;",
0036 " NLO_SMEAR_POWER 2;",
0037 " HARD_DECAYS On;",
0038 " HARD_SPIN_CORRELATIONS=1;",
0039 " SOFT_SPIN_CORRELATIONS=1;",
0040 " PDF_LIBRARY LHAPDFSherpa;",
0041 " PDF_SET NNPDF31_nnlo_hessian_pdfas;",
0042 " USE_PDF_ALPHAS=1;",
0043 " BEAM_1=2212; BEAM_ENERGY_1=6500;",
0044 " BEAM_2=2212; BEAM_ENERGY_2=6500;",
0045 " STABLE[6] 0; WIDTH[6] 0; STABLE[24] 0;",
0046 " EXCLUSIVE_CLUSTER_MODE 1;",
0047 " HEPMC_TREE_LIKE=1;",
0048 " PRETTY_PRINT=Off;",
0049 "}(run)",
0050 " (processes){",
0051 " Process : 93 93 -> 6 -6 93{NJET};",
0052 " Order (*,0); CKKW sqr(QCUT/E_CMS);",
0053 " NLO_QCD_Mode MC@NLO {LJET};",
0054 " ME_Generator Amegic {LJET};",
0055 " RS_ME_Generator Comix {LJET};",
0056 " Loop_Generator LOOPGEN {LJET};",
0057 " Integration_Error 0.05 {3,4};",
0058 " End process;",
0059 "}(processes)"
0060 ),
0061 )
0062 )
0063
0064 from GeneratorInterface.Core.ExternalGeneratorFilter import ExternalGeneratorFilter
0065 generator = ExternalGeneratorFilter(_generator)
0066
0067 ProductionFilterSequence = cms.Sequence(generator)
