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use of GeneratorPYTHIA8 to generate background events instead of duplicate PYTHIA8 for injection mode #2273

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use of GeneratorPYTHIA8 to generate background events instead of duplicate PYTHIA8 for injection mode #2273

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55ea501
use of GeneratorPYTHIA8 for background events in injection scheme
hkoley Feb 16, 2026
874b37f
add new decay logic for lambda1520
hkoley Feb 16, 2026
76630b7
Format
njacazio Feb 16, 2026
98ebe55
Update Pythia8 configuration file path
hkoley Feb 17, 2026
5521fac
Modify funcName parameters in GeneratorLF config
hkoley Feb 17, 2026
1de0d42
added lambda1520 gun for injection scheme
hkoley Feb 17, 2026
c9d992d
Fix newline issue in lambda1520.cfg
hkoley Feb 17, 2026
64d028b
Fix pythiaCfgSignal path and clean up code
hkoley Feb 18, 2026
85dc74d
Update funcName in GeneratorLF_Resonances_pp900.ini
hkoley Feb 18, 2026
9781f8f
Update generator configuration for resonance injection
hkoley Feb 18, 2026
6a9c079
Update generator function name and configuration
hkoley Feb 18, 2026
5b05a69
Update generator function parameters in INI file
hkoley Feb 18, 2026
fa087ff
Uncomment GeneratorPythia8 configuration
hkoley Feb 18, 2026
2372488
Uncomment GeneratorPythia8 configuration
hkoley Feb 18, 2026
5de27f0
Update generator function and configuration in ini file
hkoley Feb 18, 2026
86f01c5
Update generator configuration for PbPb resonances
hkoley Feb 18, 2026
b234a51
Update generator function parameters in ini file
hkoley Feb 18, 2026
59a657d
Update generator configuration for PbPb exotic
hkoley Feb 18, 2026
6665788
Update generator function parameters in ini file
hkoley Feb 18, 2026
bf6674c
fix
hkoley Feb 18, 2026
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8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_ExoticResonances_pp1360.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/exoticresonancegun.json", true, 4)
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/exoticresonancegun.json", true, 1, false, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_PbPb.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_pbpb.json", true, 4, true, false, "${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg", "${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg")
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_trig.json", true, 4, true, false, "${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg", "${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg")

# [GeneratorPythia8]
# config=${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg
[GeneratorPythia8]
config=${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_PbPb5360_injection.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj_pbpb.json", true, 4)
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj_pbpb.json", true, 1, false, false, "${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg", "")

# [GeneratorPythia8]
# config=${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg
[GeneratorPythia8]
config=${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_PbPb_exotic.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_exotic_pbpb.json", true, 4, true, false, "${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg", "${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg")
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_exotic_pbpb.json", true, 4, false, false, "${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg", "")

# [GeneratorPythia8]
# config=${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg
[GeneratorPythia8]
config=${O2_ROOT}/Generators/share/egconfig/pythia8_hi.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg")
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_trig.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp1360.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg")
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_trig.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp1360_injection.ini
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@@ -1,10 +1,10 @@
[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj.json", true, 4)
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj.json", true, 1, false, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp900.ini
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg")
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_trig.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
8 changes: 4 additions & 4 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp900_injection.ini
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Original file line number Diff line number Diff line change
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[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj.json", true, 4)
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj.json", true, 4, false, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg", "")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp900gev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
6 changes: 3 additions & 3 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp_exotic.ini
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Expand Up @@ -2,9 +2,9 @@
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/gluelistgun.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
6 changes: 3 additions & 3 deletions MC/config/PWGLF/ini/GeneratorLF_Resonances_pp_exoticAll.ini
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Expand Up @@ -2,9 +2,9 @@
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_exotic.json", true, 4, true, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg")

# [GeneratorPythia8] # if triggered then this will be used as the background event
# config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances.cfg
10 changes: 10 additions & 0 deletions MC/config/PWGLF/pythia8/generator/lambda1520.cfg
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### Define resonance
ProcessLevel:all = off # will not look for the 'process'

# id::all = name antiName spinType chargeType colType m0 mWidth mMin mMax tau0
102134:all = Lambda1520 Lambda1520bar 4 0 0 1.51950 0.01560 1.47 1.60 0

### add Resonance decays absent in PYTHIA8 decay table and set BRs from PDG for other
102134:oneChannel = 1 1.000 0 2212 -321
102134:onMode = off
102134:onIfMatch = 2212 -321
24 changes: 24 additions & 0 deletions MC/config/PWGLF/pythia8/generator/lambda1520gun_inj.json
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{
"Lambda(1520)0" : {
"pdg": 102134,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"anti-Lambda(1520)0" : {
"pdg": -102134,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
}
}
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