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[PWGHF] Adding Centrality Information in Mc Rec #7

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[PWGHF] Adding Centrality Information in Mc Rec #7

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b7149a5
Centrality implementation in MC
zeptotera Aug 4, 2026
0906c72
Update Lc-hadron correlation task
zeptotera Aug 4, 2026
307de8e
Update Lc-hadron correlator task
zeptotera Aug 4, 2026
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6 changes: 5 additions & 1 deletion PWGHF/HFC/TableProducer/correlatorLcHadrons.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -696,7 +696,11 @@
}
//}
}
float cent = 100.0; // will be updated later

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float cent = 0.;
if (useCentrality) {
cent = collision.centFT0M();
}

// Lc-Hadron correlation dedicated section
// if the candidate is selected as Lc, search for Hadron ad evaluate correlations
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17 changes: 11 additions & 6 deletions PWGHF/HFC/Tasks/taskCorrelationLcHadrons.cxx
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Expand Up @@ -268,7 +268,7 @@
registry.add("hDeltaPhiPtIntSidebandsMcRec", stringLcHadron + stringSideband + stringDeltaPhi + "entries", {HistType::kTH1D, {axisDeltaPhi}});
registry.add("hCorrel2DPtIntSidebandsMcRec", stringLcHadron + stringSideband + stringDeltaPhi + stringDeltaEta + "entries", {HistType::kTH2F, {{axisDeltaPhi}, {axisDeltaEta}}});
registry.add("hCorrel2DVsPtSidebandsMcRec", stringLcHadron + stringSideband + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtCorr}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtPhysicalPrimaryMcRec", stringLcHadron + "(only true primary particles)" + stringSignal, {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtLc}, {axisPtHadron}, {axisLcPrompt}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtPhysicalPrimaryMcRec", stringLcHadron + "(only true primary particles)" + stringSignal, {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtLc}, {axisPtHadron}, {axisLcPrompt}, {axisPoolBin},{axisCentFT0M}}});
registry.add("hCorrel2DVsPtTrueLcPhysicalPrimaryMcRec", stringLcHadron + "(only true Lc, and true primary particles)" + stringSignal, {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtLc}, {axisPtHadron}, {axisLcPrompt}, {axisPoolBin}}});
registry.add("hDeltaEtaPtIntSidebandLeftMcRec", stringLcHadron + "Left" + stringSideband + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTH1D, {axisDeltaEta}});
registry.add("hDeltaPhiPtIntSidebandLeftMcRec", stringLcHadron + "Left" + stringSideband + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTH1D, {axisDeltaPhi}});
Expand All @@ -282,8 +282,8 @@
registry.add("hCorrel2DVsPtSignalRegionNonPromptLcNonPromptHadronMcRec", stringLcHadron + " signal region PromptLc - NonPrompt Track MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtLc}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalRegionTruePromptLcPromptHadronMcRec", stringLcHadron + "signal region and true PromptLc - Prompt Track MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtLc}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalRegionTrueNonPromptLcNonPromptHadronMcRec", stringLcHadron + " signal region and true PromptLc - NonPrompt Track MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtLc}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalMcRec", stringLcHadron + stringSignal + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtCorr}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalRegionMcRec", stringLcHadron + stringSignal + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtCorr}, {axisPtHadron}, {axisLcPrompt}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalMcRec", stringLcHadron + stringSignal + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtCorr}, {axisPtHadron}, {axisPoolBin}, {axisCentFT0M}}});
registry.add("hCorrel2DVsPtSignalRegionMcRec", stringLcHadron + stringSignal + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtCorr}, {axisPtHadron}, {axisLcPrompt}, {axisPoolBin},{axisCentFT0M}}});
registry.add("hCorrel2DVsPtBkgMcRec", stringLcHadron + stringSignal + stringDeltaPhi + stringDeltaEta + stringPtLc + stringPtHadron + "entries", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtCorr}, {axisPtHadron}, {axisPoolBin}}});

registry.get<THnSparse>(HIST("hCorrel2DVsPtSidebandLeftMcRec"))->Sumw2();
Expand Down Expand Up @@ -636,6 +636,11 @@
bool const isAutoCorrelated = pairEntry.isAutoCorrelated();
int signPair = 0;

float cent = 0.;
if (useCentrality) {
cent = pairEntry.cent();
}

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// reject entries outside pT ranges of interest
if (ptLc < binsPtEfficiencyLc->front() || ptLc > binsPtEfficiencyLc->back()) {
continue;
Expand Down Expand Up @@ -696,7 +701,7 @@
if (fillSign) {
registry.fill(HIST("hCorrel2DVsPtSignSignalMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, signPair, poolBin, efficiencyWeight);
} else {
registry.fill(HIST("hCorrel2DVsPtSignalMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtSignalMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, poolBin, cent, efficiencyWeight);
}
} else {
if (fillSign) {
Expand All @@ -713,13 +718,13 @@
if (fillSign) {
registry.fill(HIST("hCorrel2DVsPtSignSignalRegionMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, signPair, poolBin, efficiencyWeight);
} else {
registry.fill(HIST("hCorrel2DVsPtSignalRegionMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, statusLcPrompt, poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtSignalRegionMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, statusLcPrompt, poolBin, cent, efficiencyWeight);
}
registry.fill(HIST("hCorrel2DPtIntSignalRegionMcRec"), deltaPhi, deltaEta, efficiencyWeight);
registry.fill(HIST("hDeltaEtaPtIntSignalRegionMcRec"), deltaEta, efficiencyWeight);
registry.fill(HIST("hDeltaPhiPtIntSignalRegionMcRec"), deltaPhi, efficiencyWeight);
if (isPhysicalPrimary) {
registry.fill(HIST("hCorrel2DVsPtPhysicalPrimaryMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, statusLcPrompt, poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtPhysicalPrimaryMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, statusLcPrompt, poolBin, cent, efficiencyWeight);
if (pairEntry.signalStatus() != 0) {
registry.fill(HIST("hCorrel2DVsPtTrueLcPhysicalPrimaryMcRec"), deltaPhi, deltaEta, ptLc, ptHadron, statusLcPrompt, poolBin, efficiencyWeight);
}
Expand Down
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