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[PWGLF]: added QA histograms for purity evaluation #8200

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[PWGLF]: added QA histograms for purity evaluation #8200

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22 changes: 15 additions & 7 deletions PWGLF/TableProducer/Nuspex/lithium4analysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -235,9 +235,11 @@ struct lithium4analysis {
{"h2dEdxHe3candidates", "dEdx distribution; #it{p} (GeV/#it{c}); dE/dx (a.u.)", {HistType::kTH2F, {{200, -5.0f, 5.0f}, {100, 0.0f, 2000.0f}}}},
{"h2ClSizeCosLamHe3", "; n#sigma_{TPC} ; #LT ITS Cluster Size #GT #LT cos#lambda #GT (^{3}He)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {120, 0.0f, 15.0f}}}},
{"h2NsigmaHe3TPC", "NsigmaHe3 TPC distribution; #it{p}/z (GeV/#it{c}); n#sigma_{TPC}(^{3}He)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaHe3TPC_preselection", "NsigmaHe3 TPC distribution; #it{p}/z (GeV/#it{c}); n#sigma_{TPC}(^{3}He)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {200, -10.0f, 10.0f}}}},
{"h2NsigmaProtonTPC", "NsigmaProton TPC distribution; #it{p}/z (GeV/#it{c}); n#sigma_{TPC}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaProtonTPC_preselection", "NsigmaHe3 TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(^{3}He)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaProtonTOF", "NsigmaProton TOF distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaProtonTPC_preselection", "NsigmaHe3 TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(^{3}He)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {200, -10.0f, 10.0f}}}},
{"h2NsigmaProtonTOF", "NsigmaProton TOF distribution; #it{p} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaProtonTOF_preselection", "NsigmaProton TOF distribution; #it{p} (GeV/#it{c}); n#sigma_{TOF}(p)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {200, -10.0f, 10.0f}}}},
},
OutputObjHandlingPolicy::AnalysisObject,
false,
Expand Down Expand Up @@ -381,12 +383,17 @@ struct lithium4analysis {
bool selectionPIDProton(const Ttrack& candidate)
{
m_qaRegistry.fill(HIST("h2NsigmaProtonTPC_preselection"), candidate.tpcInnerParam(), candidate.tpcNSigmaPr());
if (candidate.hasTOF() && candidate.pt() > setting_cutPtMinTOFPr) {
if (std::abs(candidate.tofNSigmaPr()) < setting_cutNsigmaTOF && std::abs(candidate.tpcNSigmaPr()) < setting_cutNsigmaTPC) {
m_qaRegistry.fill(HIST("h2NsigmaProtonTPC"), candidate.tpcInnerParam(), candidate.tpcNSigmaPr());
m_qaRegistry.fill(HIST("h2NsigmaProtonTOF"), candidate.p(), candidate.tofNSigmaPr());
return true;
if (candidate.hasTOF() && candidate.pt() < setting_cutPtMinTOFPr) {
if (std::abs(candidate.tpcNSigmaPr() > setting_cutNsigmaTPC)) {
return false;
}
m_qaRegistry.fill(HIST("h2NsigmaProtonTOF_preselection"), candidate.p(), candidate.tofNSigmaPr());
if (std::abs(candidate.tofNSigmaPr()) > setting_cutNsigmaTOF) {
return false;
}
m_qaRegistry.fill(HIST("h2NsigmaProtonTPC"), candidate.tpcInnerParam(), candidate.tpcNSigmaPr());
m_qaRegistry.fill(HIST("h2NsigmaProtonTOF"), candidate.p(), candidate.tofNSigmaPr());
return true;
} else if (std::abs(candidate.tpcNSigmaPr()) < setting_cutNsigmaTPC) {
m_qaRegistry.fill(HIST("h2NsigmaProtonTPC"), candidate.tpcInnerParam(), candidate.tpcNSigmaPr());
return true;
Expand Down Expand Up @@ -431,6 +438,7 @@ struct lithium4analysis {
}

auto nSigmaHe3 = computeNSigmaHe3(candidate);
m_qaRegistry.fill(HIST("h2NsigmaHe3TPC_preselection"), candidate.sign() * correctedTPCinnerParam, nSigmaHe3);
if (std::abs(nSigmaHe3) > setting_cutNsigmaTPC) {
return false;
}
Expand Down
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