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[PWGHF] Adding efficiency weight #15097

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[PWGHF] Adding efficiency weight #15097

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65ae5ee
Adding efficiency weights to THnSparse in correlator and new Mass his…
swapneshkhade Feb 21, 2026
9b3f689
Merge branch 'AliceO2Group:master' into Adding_Efficiency_Weight
swapneshkhade Feb 21, 2026
94e95c2
Merge branch 'AliceO2Group:master' into Adding_Efficiency_Weight
swapneshkhade Feb 22, 2026
60e04df
same changes were already committed in Previous PR
swapneshkhade Feb 22, 2026
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17 changes: 17 additions & 0 deletions PWGHF/HFC/Tasks/taskCorrelationD0Hadrons.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,12 @@ struct HfTaskCorrelationD0Hadrons {
AxisSpec axisCentFT0M = {binsCentFt0m, "Centrality percentile (FT0M)"};

// Histograms for data

registry.add("hBdtScorePrompt", "D0 BDT prompt score", {HistType::kTH1F, {axisBdtScore}});
registry.add("hBdtScoreBkg", "D0 BDT bkg score", {HistType::kTH1F, {axisBdtScore}});
registry.add("hMassD0VsPt", "D0 candidates massVsPt", {HistType::kTH2F, {{axisMassD}, {axisPtD}}});
registry.add("hMassD0VsPtWoEff", "D0 candidates massVsPt without efficiency", {HistType::kTH2F, {{axisMassD}, {axisPtD}}});

registry.add("hDeltaEtaPtIntSignalRegion", "D0-h deltaEta signal region", {HistType::kTH1F, {axisDeltaEta}});
registry.add("hDeltaPhiPtIntSignalRegion", "D0-h deltaPhi signal region", {HistType::kTH1F, {axisDeltaPhi}});
registry.add("hCorrel2DPtIntSignalRegion", "D0-h deltaPhi vs deltaEta signal region", {HistType::kTH2F, {{axisDeltaPhi}, {axisDeltaEta}}});
Expand Down Expand Up @@ -308,6 +314,7 @@ struct HfTaskCorrelationD0Hadrons {
aod::D0CandRecoInfo const& candidates)
{
for (const auto& candidate : candidates) {
float const massD = candidate.mD();
float const ptD = candidate.ptD();
float const bdtScorePromptD0 = candidate.mlScorePromptD0();
float const bdtScoreBkgD0 = candidate.mlScoreBkgD0();
Expand All @@ -324,6 +331,16 @@ struct HfTaskCorrelationD0Hadrons {
(bdtScorePromptD0bar < mlOutputPromptD0bar->at(effBinD) || bdtScoreBkgD0bar > mlOutputBkgD0bar->at(effBinD))) {
continue;
}

double efficiencyWeightD = 1.;
if (applyEfficiency != 0) {
efficiencyWeightD = 1. / efficiencyDmeson->at(o2::analysis::findBin(binsPtEfficiencyD, ptD));
}

registry.fill(HIST("hMassD0VsPt"), massD, ptD, efficiencyWeightD);
registry.fill(HIST("hMassD0VsPtWoEff"), massD, ptD);
registry.fill(HIST("hBdtScorePrompt"), bdtScorePromptD0);
registry.fill(HIST("hBdtScoreBkg"), bdtScoreBkgD0);
}

for (const auto& pairEntry : pairEntries) {
Expand Down
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