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File indexing completed on 2021-02-14 12:52:39

0001 import FWCore.ParameterSet.Config as cms
0002 
0003 from Configuration.Generator.PythiaUESettings_cfi import *
0004 generator = cms.EDFilter("Pythia6GeneratorFilter",
0005     pythiaPylistVerbosity = cms.untracked.int32(0),
0006     filterEfficiency = cms.untracked.double(0.138),
0007     pythiaHepMCVerbosity = cms.untracked.bool(False),
0008     crossSection = cms.untracked.double(1256000.0),
0009     comEnergy = cms.double(10000.0),
0010     maxEventsToPrint = cms.untracked.int32(0),
0011     PythiaParameters = cms.PSet(
0012         pythiaUESettingsBlock,
0013         processParameters = cms.vstring(
0014             'MSEL=61          ! Quarkonia', 
0015             'CKIN(3)=10.       ! Min pthard', 
0016             'CKIN(4)=-1.      ! Max pthard', 
0017             'MDME(858,1) = 0  ! 0.060200    e-    e+', 
0018             'MDME(859,1) = 1  ! 0.060100    mu-  mu+', 
0019             'MDME(860,1) = 0  ! 0.879700    rndmflav        rndmflavbar', 
0020             'MSTP(142)=2      ! turns on the PYEVWT Pt re-weighting routine', 
0021             'PARJ(13)=0.750   ! probability that a c or b meson has S=1', 
0022             'PARJ(14)=0.162   ! probability that a meson with S=0 is produced with L=1, J=1', 
0023             'PARJ(15)=0.018   ! probability that a meson with S=1 is produced with L=1, J=0', 
0024             'PARJ(16)=0.054   ! probability that a meson with S=1 is produced with L=1, J=1', 
0025             'MSTP(145)=0      ! choice of polarization', 
0026             'MSTP(146)=0      ! choice of polarization frame ONLY when mstp(145)=1', 
0027             'MSTP(147)=0      ! particular helicity or density matrix component when mstp(145)=1', 
0028             'MSTP(148)=1      ! possibility to allow for final-state shower evolution, extreme case !', 
0029             'MSTP(149)=1      ! if mstp(148)=1, it determines the kinematics of the QQ~3S1(8)->QQ~3S1(8)+g branching', 
0030             'PARP(141)=1.16   ! New values for COM matrix elements', 
0031             'PARP(142)=0.0119 ! New values for COM matrix elements', 
0032             'PARP(143)=0.01   ! New values for COM matrix elements', 
0033             'PARP(144)=0.01   ! New values for COM matrix elements', 
0034             'PARP(145)=0.05   ! New values for COM matrix elements', 
0035             'PARP(146)=9.28   ! New values for COM matrix elements', 
0036             'PARP(147)=0.15   ! New values for COM matrix elements', 
0037             'PARP(148)=0.02   ! New values for COM matrix elements', 
0038             'PARP(149)=0.02   ! New values for COM matrix elements', 
0039             'PARP(150)=0.085  ! New values for COM matrix elements', 
0040             'BRAT(859)=1.000  ! J/psi->mu+mu-',
0041             'BRAT(861)=0.000  ! chi_2c->J/psi gamma',
0042             'BRAT(862)=0.798  ! chi_2c->rndmflav rndmflavbar',
0043             'BRAT(1501)=0.000 ! chi_0c->J/psi gamma',
0044             'BRAT(1502)=0.987 ! chi_0c->rndmflav rndmflavbar',
0045             'BRAT(1555)=0.000 ! chi_1c->J/psi gamma',
0046             'BRAT(1556)=0.644 ! chi_1c->rndmflav rndmflavbar',
0047             'BRAT(1569)=0.186600 ! psi(2S) -> rndmflav rndmflavbar',
0048             'BRAT(1570)=0.000 ! psi(2S) ->J/psi pi+ pi-',
0049             'BRAT(1571)=0.000 ! psi(2S) ->J/psi pi0 pi0',
0050             'BRAT(1572)=0.000 ! psi(2S) ->J/psi eta',
0051             'BRAT(1573)=0.000 ! psi(2S) ->J/psi pi0'
0052         ),
0053         # This is a vector of ParameterSet names to be read, in this order
0054         parameterSets = cms.vstring('pythiaUESettings', 
0055             'processParameters', 
0056             'CSAParameters'),
0057         CSAParameters = cms.vstring('CSAMODE = 6     ! cross-section reweighted quarkonia')
0058     )
0059 )
0060 
0061 oniafilter = cms.EDFilter("PythiaFilter",
0062     Status = cms.untracked.int32(2),
0063     MaxEta = cms.untracked.double(1000.0),
0064     MinEta = cms.untracked.double(-1000.0),
0065     MinPt = cms.untracked.double(0.0),
0066     ParticleID = cms.untracked.int32(443)
0067 )
0068 
0069 mumugenfilter = cms.EDFilter("MCParticlePairFilter",
0070     Status = cms.untracked.vint32(1, 1),
0071     MinPt = cms.untracked.vdouble(1.0, 1.0),
0072     MinP = cms.untracked.vdouble(3.0, 3.0),
0073     MaxEta = cms.untracked.vdouble(2.5, 2.5),
0074     MinEta = cms.untracked.vdouble(-2.5, -2.5),
0075     ParticleCharge = cms.untracked.int32(-1),
0076     ParticleID1 = cms.untracked.vint32(13),
0077     ParticleID2 = cms.untracked.vint32(13)
0078 )
0079 
0080 mugenfilter = cms.EDFilter("MCSingleParticleFilter",
0081     Status = cms.untracked.vint32(1,1),
0082     MinPt = cms.untracked.vdouble(10.0,10.0),
0083     ParticleID = cms.untracked.vint32(13,-13),
0084 )
0085 
0086 ProductionFilterSequence = cms.Sequence(generator*oniafilter*mumugenfilter*~mugenfilter)