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Cascade2Parameters_cfi.py
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1 import FWCore.ParameterSet.Config as cms
2 
3 
4 Cascade2Parameters = cms.PSet(
5  parameterSets = cms.vstring('CascadeSettings'),
6  CascadeSettings = cms.vstring('NCB = 50000 ! number of calls per iteration for bases',
7  'ACC1 = 1.0 ! relative precision for grid optimisation',
8  'ACC2 = 0.5 ! relative precision for integration',
9  'KE = 2212 ! flavour code of beam1',
10  'IRES(1) = 1 ! direct or resolved particle 1',
11  'KP = 2212 ! flavour code of beam2',
12  'IRES(2) = 1 ! direct or resolved particle 2',
13  'NFLAV = 5 ! number of active flavors',
14  'IPRO = 10 ! hard subprocess number',
15  'IRPA = 1 ! IPRO = 10, switch to select QCD process g* g* -> q qbar',
16  'IRPB = 1 ! IPRO = 10, switch to select QCD process g* g -> g g',
17  'IRPC = 1 ! IPRO = 10, switch to select QCD process g* q -> g q',
18  'IHFLA = 4 ! flavor of heavy quark produced (IPRO = 11, 504, 514)',
19  # 'I23S = 0 ! select vector meson state (0 = 1S, 2 = 2S, 3 = 3S from version 2.2.03 on)',
20  'IPSIPOL = 0 ! use matrix element including J/psi (Upsilon) polarisation (1 = on, 0 = off)',
21  'PT2CUT = 0.0 ! pt2 cut in ME for massless partons'
22  'NFRAG = 1 ! switch for fragmentation (1 = on, 0 = off)',
23  'IFPS = 3 ! switch for parton shower: (0 = off - 1 = initial - 2 = final - 3 = initial & final)',
24  'ITIMSHR = 1 ! switch for time like parton shower in intial state (0 = off,1 = on)',
25  'ICCFM = 1 ! select CCFM or DGLAP evolution (CCFM = 1, DGLAP = 0)'
26  'IFINAL = 1 ! scale switch for final state parton shower',
27  'SCALFAF = 1.0 ! scale factor for final state parton shower',
28  'IRspl = 4 ! switch for proton remnant treatment',
29  'IPST = 0 ! keep track of intermediate state in parton shower ',
30  'INTER = 0 ! mode of interaction for ep (photon exchange, Z-echange (not implemented))',
31  'IRUNAEM = 1 ! switch for running alphaem (0 = off,1 = on)',
32  'IRUNA = 1 ! switch for running alphas (0 = off,1 = on)',
33  'IQ2 = 3 ! scale in alphas',
34  'SCALFA = 1.0 ! scale factor for scale in alphas',
35  'IGLU = 1010 ! select uPDF'))