hydjet2Default_cfi.py

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import FWCore.ParameterSet.Config as cms

source = cms.Source("EmptySource")

from GeneratorInterface.Hydjet2Interface.hydjet2DefaultParameters_cff import *

generator = cms.EDFilter("Hydjet2GeneratorFilter",
    collisionParameters5020GeV,
    qgpParametersLHC,
    hydjet2Parameters,
    fNhsel  = cms.int32(2), # Flag to include jet (J)/jet quenching (JQ) and hydro (H) state production, fNhsel (0 H on & J off, 1 H/J on & JQ off, 2 H/J/HQ on, 3 J on & H/JQ off, 4 H off & J/JQ on)
    PythiaParameters = cms.PSet(PythiaDefaultBlock,
        parameterSets = cms.vstring(
            #'pythiaUESettings',
            'ProQ2Otune',
            'hydjet2PythiaDefault',
            #'pythiaJets',
            #'pythiaPromptPhotons',
            #'myParameters',
            #'pythiaZjets',
            #'pythiaBottomoniumNRQCD',
            #'pythiaCharmoniumNRQCD',
            #'pythiaQuarkoniaSettings',
            #'pythiaWeakBosons',
            #'TDB'
        )
    ),
    
    maxEventsToPrint = cms.untracked.int32(0),
    pythiaPylistVerbosity = cms.untracked.int32(0),

    fIfb    = cms.int32(1),     # Flag of type of centrality generation, fBfix (=0 is fixed by fBfix, >0 distributed [fBfmin, fBmax])
    fBmin   = cms.double(0.),   # Minimal impact parameter, fBmin (fm)
    fBmax   = cms.double(21.),  # Maximal impact parameter, fBmax (fm)
    fBfix   = cms.double(0.),   # Fixed impact parameter, fBfix (fm)

)
'''
RA(Pb) ~= 6.813740957 fm
RA(Au) ~= 6.691445048 fm

        RHIC           LHC
% centrality    b/RA(Au)           b/RA(Pb)
---------------------------------------------
0               0                  0
---------------------------------------------
5               0.5                0.51
---------------------------------------------
6               0.55               0.57
---------------------------------------------
10              0.72               0.74
---------------------------------------------
12              0.79               0.81
---------------------------------------------
15          0.89               0.91
---------------------------------------------
20              1.02               1.05
---------------------------------------------
25          1.15               1.18
---------------------------------------------
30              1.26               1.29
---------------------------------------------
35              1.36               1.39
---------------------------------------------
40              1.46               1.49
---------------------------------------------
45          1.55               1.58
---------------------------------------------
50          1.63               1.67
---------------------------------------------
55          1.71               1.75
---------------------------------------------
60              1.79               1.83
---------------------------------------------
65          1.86               1.90
---------------------------------------------
70          1.93               1.97
---------------------------------------------
75          2.01               2.06

'''