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fix in per trigger yield calculation #4463

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Merged
jgrosseo merged 1 commit into from
Sep 29, 2020
Merged

fix in per trigger yield calculation #4463

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15 changes: 12 additions & 3 deletions Analysis/Core/src/CorrelationContainer.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -748,14 +748,23 @@ TH2* CorrelationContainer::getPerTriggerYield(CorrelationContainer::CFStep step,
multBinBegin = multAxis->FindBin(mCentralityMin + 1e-4);
multBinEnd = multAxis->FindBin(mCentralityMax - 1e-4);
LOGF(info, "Using multiplicity range %d --> %d", multBinBegin, multBinEnd);
}

if (mCentralityMin < mCentralityMax) {
trackSameAll->GetAxis(3)->SetRange(multBinBegin, multBinEnd);
}

TAxis* vertexAxis = trackSameAll->GetAxis(2);
int vertexBinBegin = 1;
int vertexBinEnd = vertexAxis->GetNbins();
if (mZVtxMax > mZVtxMin) {
vertexBinBegin = vertexAxis->FindBin(mZVtxMin);
vertexBinEnd = vertexAxis->FindBin(mZVtxMax);
LOGF(info, "Using vertex range %d --> %d", vertexBinBegin, vertexBinEnd);

trackSameAll->GetAxis(2)->SetRange(vertexBinBegin, vertexBinEnd);
}

TH2* yield = trackSameAll->Projection(1, 0, "E");
Float_t triggers = eventSameAll->Integral(1, eventSameAll->GetXaxis()->GetNbins(), multBinBegin, multBinEnd);
Float_t triggers = eventSameAll->Integral(multBinBegin, multBinEnd, vertexBinBegin, vertexBinEnd);

if (normalizePerTrigger) {
LOGF(info, "Dividing %f tracks by %f triggers", yield->Integral(), triggers);
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