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[PWGDQ] Add some code in dqEnergyCorrelator_direct.cxx #15360

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[PWGDQ] Add some code in dqEnergyCorrelator_direct.cxx #15360

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YazhenLin Mar 10, 2026
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Merge branch 'AliceO2Group:master' into master
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YazhenLin Mar 10, 2026
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Merge branch 'AliceO2Group:master' into master
YazhenLin Mar 12, 2026
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30 changes: 21 additions & 9 deletions PWGDQ/Tasks/dqEnergyCorrelator_direct.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,7 @@ struct AnalysisEnergyCorrelator {
Configurable<std::string> fConfigMCGenSignalsJSON{"cfgMCGenDileptonHadronSignalsJSON", "", "Comma separated list of MC signals (generated) via JSON"};
Configurable<float> fConfigMCGenHadronEtaAbs{"cfgMCGenHadronEtaAbs", 0.9f, "eta abs range for the hadron"};
Configurable<float> fConfigMCGenHadronPtMin{"cfgMCGenHadronPtMin", 0.1f, "minimum pt for the hadron"};
Configurable<bool> fConfigContainlepton{"cfgContainlepton", false, "If true, require the hadron to contain the lepton in its decay tree for the energy correlator study"};
} fConfigDileptonHadronOptions;

// Histogram configurables
Expand Down Expand Up @@ -397,9 +398,11 @@ struct AnalysisEnergyCorrelator {
if (isMCGen_energycorrelators) {
DefineHistograms(fHistMan, Form("MCTruthGenSel_%s", sig->GetName()), "");
DefineHistograms(fHistMan, Form("MCTruthEenergyCorrelators_%s", sig->GetName()), "");
DefineHistograms(fHistMan, Form("MCTruthEenergyCorrelators_Pion_%s", sig->GetName()), "");
}
if (isMCGen_energycorrelatorsME) {
DefineHistograms(fHistMan, Form("MCTruthEenergyCorrelatorsME_%s", sig->GetName()), "");
DefineHistograms(fHistMan, Form("MCTruthEenergyCorrelatorsME_Pion_%s", sig->GetName()), "");
}
}
}
Expand Down Expand Up @@ -786,7 +789,7 @@ struct AnalysisEnergyCorrelator {
}

PresliceUnsorted<aod::McParticles> perReducedMcEvent = aod::mcparticle::mcCollisionId;
template <bool MixedEvent, int THadronMassType, typename TEvent>
template <bool MixedEvent, bool PionMass, int THadronMassType, typename TEvent>
void runEnergyCorrelators(TEvent const& event1, TEvent const& event2, McParticles const& mcTracks)
{
auto groupedMCTracks1 = mcTracks.sliceBy(perReducedMcEvent, event1.mcCollisionId());
Expand All @@ -801,7 +804,7 @@ struct AnalysisEnergyCorrelator {
continue;
}
VarManager::FillTrackMC(groupedMCTracks1, t1_raw);
if (!MixedEvent) {
if (!MixedEvent && !PionMass) {
fHistMan->FillHistClass(Form("MCTruthGenSel_%s", sig->GetName()), VarManager::fgValues);
}
}
Expand All @@ -826,7 +829,10 @@ struct AnalysisEnergyCorrelator {
continue;
}
}
if (std::abs(t2_raw.pdgCode()) != PDG_t::kPiPlus && std::abs(t2_raw.pdgCode()) != PDG_t::kKPlus && std::abs(t2_raw.pdgCode()) != PDG_t::kProton && std::abs(t2_raw.pdgCode()) != PDG_t::kElectron && std::abs(t2_raw.pdgCode()) != PDG_t::kMuonMinus) {
if (fConfigDileptonHadronOptions.fConfigContainlepton && std::abs(t2_raw.pdgCode()) != PDG_t::kPiPlus && std::abs(t2_raw.pdgCode()) != PDG_t::kKPlus && std::abs(t2_raw.pdgCode()) != PDG_t::kProton && std::abs(t2_raw.pdgCode()) != PDG_t::kElectron && std::abs(t2_raw.pdgCode()) != PDG_t::kMuonMinus) {
continue;
}
if (!fConfigDileptonHadronOptions.fConfigContainlepton && std::abs(t2_raw.pdgCode()) != PDG_t::kPiPlus && std::abs(t2_raw.pdgCode()) != PDG_t::kKPlus && std::abs(t2_raw.pdgCode()) != PDG_t::kProton) {
continue;
}
if (t2_raw.pt() < fConfigDileptonHadronOptions.fConfigMCGenHadronPtMin.value || std::abs(t2_raw.eta()) > fConfigDileptonHadronOptions.fConfigMCGenHadronEtaAbs.value) {
Expand All @@ -836,12 +842,18 @@ struct AnalysisEnergyCorrelator {
VarManager::FillEnergyCorrelatorsMC<THadronMassType>(t1_raw, t2_raw, VarManager::fgValues, fTransRange[0], fTransRange[1]);
for (auto& sig : fGenMCSignals) {
if (sig->CheckSignal(true, t1_raw)) {
if (!MixedEvent) {
if (!MixedEvent && !PionMass) {
fHistMan->FillHistClass(Form("MCTruthEenergyCorrelators_%s", sig->GetName()), VarManager::fgValues);
}
if (MixedEvent) {
if (MixedEvent && !PionMass) {
fHistMan->FillHistClass(Form("MCTruthEenergyCorrelatorsME_%s", sig->GetName()), VarManager::fgValues);
}
if (!MixedEvent && PionMass) {
fHistMan->FillHistClass(Form("MCTruthEenergyCorrelators_Pion_%s", sig->GetName()), VarManager::fgValues);
}
if (MixedEvent && PionMass) {
fHistMan->FillHistClass(Form("MCTruthEenergyCorrelatorsME_Pion_%s", sig->GetName()), VarManager::fgValues);
}
}
}
}
Expand Down Expand Up @@ -870,7 +882,7 @@ struct AnalysisEnergyCorrelator {
if (fSavelessevents[0] > 1 && event.globalIndex() % fSavelessevents[0] == fSavelessevents[1]) {
continue;
}
runEnergyCorrelators<false, VarManager::kJpsiHadronMass>(event, event, mcTracks);
runEnergyCorrelators<false, false, VarManager::kJpsiHadronMass>(event, event, mcTracks);
}
}

Expand Down Expand Up @@ -900,7 +912,7 @@ struct AnalysisEnergyCorrelator {
if (fSavelessevents[0] > 1 && event1.globalIndex() % fSavelessevents[0] == fSavelessevents[1]) {
continue;
}
runEnergyCorrelators<true, VarManager::kJpsiHadronMass>(event1, event2, mcTracks);
runEnergyCorrelators<true, false, VarManager::kJpsiHadronMass>(event1, event2, mcTracks);
}
}

Expand All @@ -926,7 +938,7 @@ struct AnalysisEnergyCorrelator {
if (fSavelessevents[0] > 1 && event.globalIndex() % fSavelessevents[0] == fSavelessevents[1]) {
continue;
}
runEnergyCorrelators<false, VarManager::kJpsiPionMass>(event, event, mcTracks);
runEnergyCorrelators<false, true, VarManager::kJpsiPionMass>(event, event, mcTracks);
}
}

Expand Down Expand Up @@ -956,7 +968,7 @@ struct AnalysisEnergyCorrelator {
if (fSavelessevents[0] > 1 && event1.globalIndex() % fSavelessevents[0] == fSavelessevents[1]) {
continue;
}
runEnergyCorrelators<true, VarManager::kJpsiPionMass>(event1, event2, mcTracks);
runEnergyCorrelators<true, true, VarManager::kJpsiPionMass>(event1, event2, mcTracks);
}
}

Expand Down
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