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[PWGCF] Add configurables for MC analysis #17136

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Merged
SwatiSaha-1997 merged 2 commits into from
Jul 21, 2026
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[PWGCF] Add configurables for MC analysis #17136

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[PWGCF] Add configurables for MC analysis
fsii Jul 20, 2026
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fsii Jul 21, 2026
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18 changes: 13 additions & 5 deletions PWGCF/EbyEFluctuations/Tasks/partNumFluc.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -602,6 +602,9 @@ struct PartNumFluc {
Configurable<std::int32_t> cfgIndexDefinitionCentrality{"cfgIndexDefinitionCentrality", 2, "Centrality definition index"};
ConfigurableAxis cfgAxisCentrality{"cfgAxisCentrality", {18, 0., 90.}, "Centrality axis in fluctuation calculation"};
Configurable<std::int32_t> cfgNSubgroups{"cfgNSubgroups", 20, "Number of subgroups in fluctuation calculation"};
Configurable<bool> cfgFlagSingleCollisionMc{"cfgFlagSingleCollisionMc", false, "Flag of requiring exactly single collision of MC collision"};
Configurable<bool> cfgFlagBestCollisionMc{"cfgFlagBestCollisionMc", true, "Flag of requiring best collision of MC collision"};
Configurable<bool> cfgFlagMcCollisionVz{"cfgFlagMcCollisionVz", false, "Flag of using z-vertex position of MC collision"};
} groupEvent{};

struct : ConfigurableGroup {
Expand Down Expand Up @@ -1150,7 +1153,7 @@ struct PartNumFluc {
double getEfficiency(const bool doUsingMcParticleMomentum)
{
const THnBase* const hVzCentralityPtEtaEfficiency{holderCcdb.hVzCentralityPtEtaEfficiency.at(std::abs(holderEvent.runGroupIndex) - 1)[toI(PidStrategyValue)][toI(ParticleSpeciesValue)][toI(ChargeSpeciesValue)]};
return hVzCentralityPtEtaEfficiency ? hVzCentralityPtEtaEfficiency->GetBinContent(hVzCentralityPtEtaEfficiency->GetBin(std::array<double, HolderCcdb::NDimensionsEfficiency>{holderEvent.vz, holderEvent.centrality, doUsingMcParticleMomentum ? holderMcParticle.pt : holderTrack.pt, doUsingMcParticleMomentum ? holderMcParticle.eta : holderTrack.eta}.data())) : 0.;
return hVzCentralityPtEtaEfficiency ? hVzCentralityPtEtaEfficiency->GetBinContent(hVzCentralityPtEtaEfficiency->GetBin(std::array<double, HolderCcdb::NDimensionsEfficiency>{doprocessMc.value && groupEvent.cfgFlagMcCollisionVz.value ? holderMcEvent.vz : holderEvent.vz, holderEvent.centrality, doUsingMcParticleMomentum ? holderMcParticle.pt : holderTrack.pt, doUsingMcParticleMomentum ? holderMcParticle.eta : holderTrack.eta}.data())) : 0.;
}

template <Detector DetectorValue, ParticleSpecies ParticleSpeciesValue>
Expand Down Expand Up @@ -1569,7 +1572,7 @@ struct PartNumFluc {
() {
if constexpr (DataModeValue == DataMode::McMcParticle) {
if (isPid<getValue<ParticleSpeciesAll>(ParticleSpeciesValue), ChargeSpeciesValue>()) {
hrCalculationYield.fill(C_CS("CalculationYield/hVzCentralityPtMcEtaMc_mc") + C_SV(getName(ParticleSpeciesValue)) + C_SV(getName(ChargeSpeciesValue)), holderEvent.vz, holderEvent.centrality, holderMcParticle.pt, holderMcParticle.eta);
hrCalculationYield.fill(C_CS("CalculationYield/hVzCentralityPtMcEtaMc_mc") + C_SV(getName(ParticleSpeciesValue)) + C_SV(getName(ChargeSpeciesValue)), doprocessMc.value && groupEvent.cfgFlagMcCollisionVz.value ? holderMcEvent.vz : holderEvent.vz, holderEvent.centrality, holderMcParticle.pt, holderMcParticle.eta);
}
} else {
const auto fillByPidStrategy{
Expand All @@ -1579,9 +1582,9 @@ struct PartNumFluc {
if constexpr (DataModeValue == DataMode::McTrack) {
if (isPid<getValue<ParticleSpeciesAll>(ParticleSpeciesValue), ChargeSpeciesValue>() && isPid<getValue<PidStrategyAll>(PidStrategyValue), getValue<ParticleSpeciesAll>(ParticleSpeciesValue)>(groupTrack.cfgFlagRejectionOthers.value)) {
if (groupTrack.cfgFlagMcParticleMomentum.value) {
hrCalculationYield.fill(C_CS("CalculationYield/hVzCentralityPtMcEtaMc_mc") + C_SV(getName(PidStrategyValue)) + C_SV(getName(ParticleSpeciesValue)) + C_SV(getName(ChargeSpeciesValue)), holderEvent.vz, holderEvent.centrality, holderMcParticle.pt, holderMcParticle.eta);
hrCalculationYield.fill(C_CS("CalculationYield/hVzCentralityPtMcEtaMc_mc") + C_SV(getName(PidStrategyValue)) + C_SV(getName(ParticleSpeciesValue)) + C_SV(getName(ChargeSpeciesValue)), doprocessMc.value && groupEvent.cfgFlagMcCollisionVz.value ? holderMcEvent.vz : holderEvent.vz, holderEvent.centrality, holderMcParticle.pt, holderMcParticle.eta);
} else {
hrCalculationYield.fill(C_CS("CalculationYield/hVzCentralityPtEta_mc") + C_SV(getName(PidStrategyValue)) + C_SV(getName(ParticleSpeciesValue)) + C_SV(getName(ChargeSpeciesValue)), holderEvent.vz, holderEvent.centrality, holderTrack.pt, holderTrack.eta);
hrCalculationYield.fill(C_CS("CalculationYield/hVzCentralityPtEta_mc") + C_SV(getName(PidStrategyValue)) + C_SV(getName(ParticleSpeciesValue)) + C_SV(getName(ChargeSpeciesValue)), doprocessMc.value && groupEvent.cfgFlagMcCollisionVz.value ? holderMcEvent.vz : holderEvent.vz, holderEvent.centrality, holderTrack.pt, holderTrack.eta);
}
}
} else { // DataModeValue == DataMode::RawTrack
Expand Down Expand Up @@ -2158,6 +2161,11 @@ struct PartNumFluc {
return false;
}

if (groupEvent.cfgFlagSingleCollisionMc.value && mcCollision.numRecoCollision() != 1) {
hrCounter.fill(C_CS("hNMcEvents"), 5.);
return false;
}

hrCounter.fill(C_CS("hNMcEvents"), 1.);

return true;
Expand Down Expand Up @@ -2230,7 +2238,7 @@ struct PartNumFluc {
}

for (const auto& collision : collisions) {
if (collision.globalIndex() != mcCollision.bestCollisionIndex()) {
if (groupEvent.cfgFlagBestCollisionMc.value && collision.globalIndex() != mcCollision.bestCollisionIndex()) {
continue;
}
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