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,
    qgpParameters,
    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.),   # Minimum impact parameter, fBmin
    fBmax   = cms.double(30.),  # Maximum impact parameter, fBmax
    fBfix   = cms.double(0.),   # Fixed impact parameter, fBfix

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

% cent  b/RA 
0            0          
5           0.51
6           0.57
10          0.74 
12          0.81
15  0.91
20  1.05
25  1.18 
30          1.29
35          1.39
40          1.49
45  1.58
50  1.67
55  1.75  
60          1.83
65  1.90
70  1.97 
75  2.06
'''