Skip to content

[PWGHF] Add centrality axis for secondary track contamination #18082

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
apalasciano merged 1 commit into from
Sep 29, 2026
Merged

[PWGHF] Add centrality axis for secondary track contamination #18082

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions PWGHF/HFC/TableProducer/correlatorD0Hadrons.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,7 @@ struct HfCorrelatorD0Hadrons {
Configurable<bool> storeAutoCorrelationFlag{"storeAutoCorrelationFlag", false, "Store flag that indicates if the track is paired to its D-meson mother instead of skipping it"};
Configurable<int> numberEventsMixed{"numberEventsMixed", 5, "Number of events mixed in ME process"};
Configurable<bool> useCentrality{"useCentrality", false, "Flag for centrality dependent analyses"};
Configurable<bool> enableCentralityQA{"enableCentralityQA", false, "Enable FT0M centrality vs multiplicity QA in processData"};

int leadingIndex = 0;
double softPiMass = 0.14543; // pion mass + Q-value of the D*->D0pi decay
Expand Down Expand Up @@ -366,6 +367,9 @@ struct HfCorrelatorD0Hadrons {
registry.get<TH1>(HIST("hTrackCounter"))->GetXaxis()->SetBinLabel(5, "fake tracks");
registry.add("hZvtx", "z vertex", {HistType::kTH1F, {axisPosZ}});
registry.add("hMultFT0M", "Multiplicity FT0M", {HistType::kTH1F, {axisMultFT0M}});
if (enableCentralityQA) {
registry.add("hCentFT0MVsMultFT0M", "Centrality FT0M vs multiplicity FT0M", {HistType::kTH2D, {axisMultFT0M, axisCent}});
}
registry.add("hCollisionPoolBin", "collision pool bin", {HistType::kTH1F, {axisPoolBin}});
registry.add("hD0PoolBin", "D0 selected in pool Bin", {HistType::kTH1F, {axisPoolBin}});
registry.add("hTracksPoolBin", "Particles associated pool bin", {HistType::kTH1F, {axisPoolBin}});
Expand Down Expand Up @@ -398,6 +402,9 @@ struct HfCorrelatorD0Hadrons {
registry.fill(HIST("hCollisionPoolBin"), poolBin);
registry.fill(HIST("hZvtx"), collision.posZ());
registry.fill(HIST("hMultFT0M"), collision.multFT0M());
if (enableCentralityQA) {
registry.fill(HIST("hCentFT0MVsMultFT0M"), collision.multFT0M(), collision.centFT0M());
}

int nTracks = 0;
if (collision.numContrib() > 1) {
Expand Down
16 changes: 10 additions & 6 deletions PWGHF/HFC/Tasks/taskCorrelationD0Hadrons.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -207,8 +207,8 @@ struct HfTaskCorrelationD0Hadrons {
registry.add("hDeltaEtaPtIntSignalRegionRecSig", "D0-h deltaEta MC reco signal region, signal", {HistType::kTH1F, {axisDeltaEta}});
registry.add("hDeltaPhiPtIntSignalRegionRecSig", "D0-h deltaPhi MC reco signal region, signal", {HistType::kTH1F, {axisDeltaPhi}});
registry.add("hCorrel2DPtIntSignalRegionRecSig", "D0-h deltaPhi vs deltaEta MC reco signal region, signal", {HistType::kTH2F, {{axisDeltaPhi}, {axisDeltaEta}}});
registry.add("hCorrel2DVsPtSignalRegionRecSig", "D0-h correlations MC reco signal region, signal", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtD}, {axisPtHadron}, {axisD0Prompt}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtPhysicalPrimaryRecSig", "D0-h correlations signal region (only true primary particles) MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtD}, {axisPtHadron}, {axisD0Prompt}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalRegionRecSig", "D0-h correlations MC reco signal region, signal", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtD}, {axisPtHadron}, {axisD0Prompt}, {axisPoolBin}, {axisCentFT0M}}});
registry.add("hCorrel2DVsPtPhysicalPrimaryRecSig", "D0-h correlations signal region (only true primary particles) MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtD}, {axisPtHadron}, {axisD0Prompt}, {axisPoolBin}, {axisCentFT0M}}});
registry.add("hCorrel2DVsPtSignalRegionPromptD0PromptHadronRecSig", "D0-h correlations signal region Prompt-NonPrompt MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtD}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hCorrel2DVsPtSignalRegionNonPromptD0NonPromptHadronRecSig", "D0-h correlations signal region NonPrompt-NonPrompt MC reco", {HistType::kTHnSparseD, {{axisDeltaPhi}, {axisDeltaEta}, {axisPtD}, {axisPtHadron}, {axisPoolBin}}});
registry.add("hDeltaEtaPtIntSignalRegionSoftPiRecSig", "D0-h deltaEta MC reco signal region, signal", {HistType::kTH1F, {axisDeltaEta}});
Expand Down Expand Up @@ -601,6 +601,10 @@ struct HfTaskCorrelationD0Hadrons {
}

for (const auto& pairEntry : pairEntries) {
float cent = 0.;
if (useCentrality) {
cent = pairEntry.cent();
}
// define variables for widely used quantities
double const deltaPhi = pairEntry.deltaPhi();
double const deltaEta = pairEntry.deltaEta();
Expand Down Expand Up @@ -685,12 +689,12 @@ struct HfTaskCorrelationD0Hadrons {
// ---------------------- Fill plots for signal case, D0 ->1, D0bar ->8 ---------------------------------------------
if ((massD > signalRegionLeft->at(ptBinD) && massD < signalRegionRight->at(ptBinD)) && TESTBIT(signalStatus, ParticleTypeMcRec::D0Sig) && passesD0Ml) {
// in signal region, tests bit ParticleTypeMcRec::D0Sig, SE-> softpi removed, ME-> inclusive
registry.fill(HIST("hCorrel2DVsPtSignalRegionRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtSignalRegionRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, cent, efficiencyWeight);
registry.fill(HIST("hCorrel2DPtIntSignalRegionRecSig"), deltaPhi, deltaEta, efficiencyWeight);
registry.fill(HIST("hDeltaEtaPtIntSignalRegionRecSig"), deltaEta, efficiencyWeight);
registry.fill(HIST("hDeltaPhiPtIntSignalRegionRecSig"), deltaPhi, efficiencyWeight);
if (isPhysicalPrimary) {
registry.fill(HIST("hCorrel2DVsPtPhysicalPrimaryRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtPhysicalPrimaryRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, cent, efficiencyWeight);
if (isD0Prompt && statusPromptHadron == RecoDecay::OriginType::Prompt) {
registry.fill(HIST("hCorrel2DVsPtSignalRegionPromptD0PromptHadronRecSig"), deltaPhi, deltaEta, ptD, ptHadron, poolBin, efficiencyWeight);
} else if (!isD0Prompt && statusPromptHadron == RecoDecay::OriginType::NonPrompt) {
Expand All @@ -701,12 +705,12 @@ struct HfTaskCorrelationD0Hadrons {

if ((massDbar > signalRegionLeft->at(ptBinD) && massDbar < signalRegionRight->at(ptBinD)) && TESTBIT(signalStatus, ParticleTypeMcRec::D0barSig) && passesD0barMl) {
// in signal region, tests bit ParticleTypeMcRec::D0barSig, SE-> softpi removed, ME-> inclusive
registry.fill(HIST("hCorrel2DVsPtSignalRegionRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtSignalRegionRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, cent, efficiencyWeight);
registry.fill(HIST("hCorrel2DPtIntSignalRegionRecSig"), deltaPhi, deltaEta, efficiencyWeight);
registry.fill(HIST("hDeltaEtaPtIntSignalRegionRecSig"), deltaEta, efficiencyWeight);
registry.fill(HIST("hDeltaPhiPtIntSignalRegionRecSig"), deltaPhi, efficiencyWeight);
if (isPhysicalPrimary) {
registry.fill(HIST("hCorrel2DVsPtPhysicalPrimaryRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, efficiencyWeight);
registry.fill(HIST("hCorrel2DVsPtPhysicalPrimaryRecSig"), deltaPhi, deltaEta, ptD, ptHadron, static_cast<int>(isD0Prompt), poolBin, cent, efficiencyWeight);
if (isD0Prompt && statusPromptHadron == RecoDecay::OriginType::Prompt) {
registry.fill(HIST("hCorrel2DVsPtSignalRegionPromptD0PromptHadronRecSig"), deltaPhi, deltaEta, ptD, ptHadron, poolBin, efficiencyWeight);
} else if (!isD0Prompt && statusPromptHadron == RecoDecay::OriginType::NonPrompt) {
Expand Down
Loading