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)',
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'))
1.8.5
