Go to the documentation of this file.00001 import FWCore.ParameterSet.Config as cms
00002
00003
00004 Cascade2Parameters = cms.PSet(
00005 parameterSets = cms.vstring('CascadeSettings'),
00006 CascadeSettings = cms.vstring('NCB = 50000 ! number of calls per iteration for bases',
00007 'ACC1 = 1.0 ! relative precision for grid optimisation',
00008 'ACC2 = 0.5 ! relative precision for integration',
00009 'KE = 2212 ! flavour code of beam1',
00010 'IRES(1) = 1 ! direct or resolved particle 1',
00011 'KP = 2212 ! flavour code of beam2',
00012 'IRES(2) = 1 ! direct or resolved particle 2',
00013 'NFLAV = 5 ! number of active flavors',
00014 'IPRO = 10 ! hard subprocess number',
00015 'IRPA = 1 ! IPRO = 10, switch to select QCD process g* g* -> q qbar',
00016 'IRPB = 1 ! IPRO = 10, switch to select QCD process g* g -> g g',
00017 'IRPC = 1 ! IPRO = 10, switch to select QCD process g* q -> g q',
00018 'IHFLA = 4 ! flavor of heavy quark produced (IPRO = 11, 504, 514)',
00019
00020 'IPSIPOL = 0 ! use matrix element including J/psi (Upsilon) polarisation (1 = on, 0 = off)',
00021 'PT2CUT = 0.0 ! pt2 cut in ME for massless partons'
00022 'NFRAG = 1 ! switch for fragmentation (1 = on, 0 = off)',
00023 'IFPS = 3 ! switch for parton shower: (0 = off - 1 = initial - 2 = final - 3 = initial & final)',
00024 'ITIMSHR = 1 ! switch for time like parton shower in intial state (0 = off,1 = on)',
00025 'ICCFM = 1 ! select CCFM or DGLAP evolution (CCFM = 1, DGLAP = 0)'
00026 'IFINAL = 1 ! scale switch for final state parton shower',
00027 'SCALFAF = 1.0 ! scale factor for final state parton shower',
00028 'IRspl = 4 ! switch for proton remnant treatment',
00029 'IPST = 0 ! keep track of intermediate state in parton shower ',
00030 'INTER = 0 ! mode of interaction for ep (photon exchange, Z-echange (not implemented))',
00031 'IRUNAEM = 1 ! switch for running alphaem (0 = off,1 = on)',
00032 'IRUNA = 1 ! switch for running alphas (0 = off,1 = on)',
00033 'IQ2 = 3 ! scale in alphas',
00034 'SCALFA = 1.0 ! scale factor for scale in alphas',
00035 'IGLU = 1010 ! select uPDF'))
1.7.3