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Tighter PID selection for DCA hist in nucleiSpectra task #8104

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Merged
mpuccio merged 1 commit into from
Oct 23, 2024
Merged

Tighter PID selection for DCA hist in nucleiSpectra task #8104

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18 changes: 10 additions & 8 deletions PWGLF/TableProducer/Nuspex/nucleiSpectra.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -259,6 +259,8 @@ struct nucleiSpectra {
Configurable<LabeledArray<int>> cfgDCAHists{"cfgDCAHists", {nuclei::DCAHistDefault[0], 5, 2, nuclei::names, nuclei::DCAConfigNames}, "DCA hist configuration"};
Configurable<LabeledArray<int>> cfgFlowHist{"cfgFlowHist", {nuclei::FlowHistDefault[0], 5, 1, nuclei::names, nuclei::flowConfigNames}, "Flow hist configuration"};

Configurable<double> cfgNsigmaTPCcutDCAhists{"cfgNsigmaTPCcutDCAhists", 3., "TPC nsigma cut for DCA hists"};
Configurable<double> cfgDeltaTOFmassCutDCAhists{"cfgDeltaTOFmassCutDCAhists", 0.2, "Delta TOF mass cut for DCA hists"};
ConfigurableAxis cfgDCAxyBinsProtons{"cfgDCAxyBinsProtons", {1500, -1.5f, 1.5f}, "DCAxy binning for Protons"};
ConfigurableAxis cfgDCAxyBinsDeuterons{"cfgDCAxyBinsDeuterons", {1500, -1.5f, 1.5f}, "DCAxy binning for Deuterons"};
ConfigurableAxis cfgDCAxyBinsTritons{"cfgDCAxyBinsTritons", {1500, -1.5f, 1.5f}, "DCAxy binning for Tritons"};
Expand Down Expand Up @@ -605,26 +607,26 @@ struct nucleiSpectra {
}
ROOT::Math::LorentzVector<ROOT::Math::PtEtaPhiM4D<float>> fvector{mTrackParCov.getPt() * nuclei::charges[iS], mTrackParCov.getEta(), mTrackParCov.getPhi(), nuclei::masses[iS]};
float y{fvector.Rapidity() + cfgCMrapidity};
for (int iPID{0}; iPID < 2; ++iPID) {
for (int iPID{0}; iPID < 2; ++iPID) { /// 0 TPC, 1 TOF
if (selectedTPC[iS]) {
if (iPID && !track.hasTOF()) {
continue;
} else if (iPID) {
selectedTOF = true;
selectedTOF = true; /// temporarly skipped
float charge{1.f + static_cast<float>(iS == 3 || iS == 4)};
tofMasses[iS] = correctedTpcInnerParam * charge * std::sqrt(1.f / (beta * beta) - 1.f) - nuclei::masses[iS];
}
if (!cfgCutOnReconstructedRapidity || (y > cfgCutRapidityMin && y < cfgCutRapidityMax)) {
nuclei::hDCAxy[iPID][iS][iC]->Fill(centrality, fvector.pt(), dcaInfo[0]);
nuclei::hDCAz[iPID][iS][iC]->Fill(centrality, fvector.pt(), dcaInfo[1]);
if (std::abs(nSigmaTPC[iS]) < cfgNsigmaTPCcutDCAhists && (!iPID || std::abs(tofMasses[iS]) < cfgDeltaTOFmassCutDCAhists)) {
nuclei::hDCAxy[iPID][iS][iC]->Fill(centrality, fvector.pt(), dcaInfo[0]);
nuclei::hDCAz[iPID][iS][iC]->Fill(centrality, fvector.pt(), dcaInfo[1]);
}
if (std::abs(dcaInfo[0]) < cfgDCAcut->get(iS, 0u)) {
if (!iPID) { /// temporary exclusion of the TOF nsigma PID for the He3 and Alpha
nuclei::hNsigma[iPID][iS][iC]->Fill(centrality, fvector.pt(), nSigma[iPID][iS]);
nuclei::hNsigmaEta[iPID][iS][iC]->Fill(fvector.eta(), fvector.pt(), nSigma[iPID][iS]);
}
if (iPID) {
float charge{1};
if (iS == 3 || iS == 4)
charge = 2;
tofMasses[iS] = correctedTpcInnerParam * charge * std::sqrt(1.f / (beta * beta) - 1.f) - nuclei::masses[iS];
nuclei::hTOFmass[iS][iC]->Fill(centrality, fvector.pt(), tofMasses[iS]);
nuclei::hTOFmassEta[iS][iC]->Fill(fvector.eta(), fvector.pt(), tofMasses[iS]);
}
Expand Down