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[PWGCF] add QA for weighted centrality #12337

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Merged
shouqiye merged 1 commit into from
Jul 31, 2025
Merged

[PWGCF] add QA for weighted centrality #12337

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20 changes: 10 additions & 10 deletions PWGCF/TwoParticleCorrelations/Tasks/diHadronCor.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -262,8 +262,9 @@ struct DiHadronCor {
registry.add("pTCorrected", "pTCorrected", {HistType::kTH1D, {axisPtTrigger}});
registry.add("Nch", "N_{ch}", {HistType::kTH1D, {axisMultiplicity}});
registry.add("Nch_used", "N_{ch}", {HistType::kTH1D, {axisMultiplicity}}); // histogram to see how many events are in the same and mixed event
registry.add("Centrality", hCentTitle.c_str(), {HistType::kTH1D, {axisCentrality}});
registry.add("Centrality_used", hCentTitle.c_str(), {HistType::kTH1D, {axisCentrality}}); // histogram to see how many events are in the same and mixed event
registry.add("Centrality", hCentTitle.c_str(), {HistType::kTH1D, {{100, 0, 100}}});
registry.add("CentralityWeighted", hCentTitle.c_str(), {HistType::kTH1D, {{100, 0, 100}}});
registry.add("Centrality_used", hCentTitle.c_str(), {HistType::kTH1D, {{100, 0, 100}}}); // histogram to see how many events are in the same and mixed event
registry.add("zVtx", "zVtx", {HistType::kTH1D, {axisVertex}});
registry.add("zVtx_used", "zVtx_used", {HistType::kTH1D, {axisVertex}});
registry.add("Trig_hist", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}});
Expand Down Expand Up @@ -718,13 +719,16 @@ struct DiHadronCor {
return;
auto bc = collision.bc_as<aod::BCsWithTimestamps>();
float cent = -1.;
if (!cfgCentTableUnavailable)
cent = getCentrality(collision);
float weightCent = 1.0f;
if (cfgUseAdditionalEventCut && !eventSelected(collision, tracks.size(), cent, true))
return;

if (!cfgCentTableUnavailable)
loadCorrection(bc.timestamp());
if (!cfgCentTableUnavailable) {
cent = getCentrality(collision);
getCentralityWeight(weightCent, cent);
registry.fill(HIST("Centrality"), cent);
registry.fill(HIST("CentralityWeighted"), cent, weightCent);
}
registry.fill(HIST("Nch"), tracks.size());
registry.fill(HIST("zVtx"), collision.posZ());

Expand All @@ -735,12 +739,8 @@ struct DiHadronCor {
return;
}

loadCorrection(bc.timestamp());
registry.fill(HIST("eventcount"), SameEvent); // because its same event i put it in the 1 bin
fillYield(collision, tracks);
float weightCent = 1.0f;
if (!cfgCentTableUnavailable)
getCentralityWeight(weightCent, cent);

same->fillEvent(tracks.size(), CorrelationContainer::kCFStepReconstructed);
fillCorrelations<CorrelationContainer::kCFStepReconstructed>(tracks, tracks, collision.posZ(), SameEvent, getMagneticField(bc.timestamp()), cent, weightCent);
Expand Down
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