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[PWGLF] Update histogram configurations for TPC and ITS #13101

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Merged
njacazio merged 5 commits into from
Sep 24, 2025
Merged

[PWGLF] Update histogram configurations for TPC and ITS #13101

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1e874c7
Update histogram configurations for TPC and ITS
njacazio Sep 23, 2025
9605a27
Update systematicsMapping.cxx
njacazio Sep 23, 2025
509b9e4
Modify chi2Bins and add chi2 histograms
njacazio Sep 23, 2025
8a72b29
Add V0 selection criteria and update histograms
njacazio Sep 23, 2025
7a23d59
Update histogram axes in systematicsMapping.cxx
njacazio Sep 23, 2025
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74 changes: 60 additions & 14 deletions PWGLF/Tasks/QC/systematicsMapping.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -40,10 +40,19 @@ struct SystematicsMapping {
ConfigurableAxis invariantMassBins{"invariantMassBins", {100, -0.1f, 0.1f}, "Binning for the invariant mass (GeV/c^2)"};
ConfigurableAxis nsigmaBins{"nsigmaBins", {100, -10.f, 10.f}, "Binning for nSigma"};
// Selection bins
ConfigurableAxis tpcClusterBins{"tpcClusterBins", {5, 70, 100, 120, 135, 150}, "Min TPC clusters for tracks"};
ConfigurableAxis tpcCrossedRowsBins{"tpcCrossedRowsBins", {5, 70, 100, 120, 135, 150}, "Min TPC clusters for tracks"};
ConfigurableAxis itsClustersBins{"itsClustersBins", {5, 0, 6}, "Min ITS clusters for tracks"};
ConfigurableAxis dcaBins{"dcaBins", {100, 0.f, 5.f}, "Binning for DCA (cm)"};
ConfigurableAxis chi2Bins{"chi2Bins", {100, 0.f, 100.f}, "Binning for chi2"};
// Selection configurables
Configurable<float> selectionPosZ{"selectionPosZ", 10.f, "Max |z| of the primary vertex"};
// V0 selection criteria
Configurable<double> v0cospa{"v0cospa", 0.97, "V0 CosPA"};
Configurable<float> dcav0dau{"dcav0dau", 10, "DCA V0 Daughters"};
Configurable<float> dcanegtopv{"dcanegtopv", 0.0, "DCA Neg To PV"};
Configurable<float> dcapostopv{"dcapostopv", 0.0, "DCA Pos To PV"};
Configurable<float> v0radius{"v0radius", 0.0, "Radius"};
Configurable<float> etadau{"etadau", 0.8, "Eta Daughters"};

HistogramRegistry registry{"registry"};

Expand All @@ -58,28 +67,41 @@ struct SystematicsMapping {
const AxisSpec ptAxis{ptBins, "#it{p}_{T} (GeV/c)"};
const AxisSpec etaAxis{etaBins, "#eta"};
const AxisSpec phiAxis{phiBins, "#phi (rad)"};
const AxisSpec invariantMassAxis{invariantMassBins, "Invariant Mass (GeV/c^{2})"};
const AxisSpec nsigmaAxisTPC{nsigmaBins, "nSigma TPC"};
const AxisSpec nsigmaAxisTOF{nsigmaBins, "nSigma TOF"};
const AxisSpec tpcCrossedRowsAxis{tpcCrossedRowsBins, "TPC crossed rows"};
const AxisSpec itsClustersAxis{itsClustersBins, "ITS clusters"};
const AxisSpec dcaXYAxis{dcaBins, "DCAxy (cm)"};
const AxisSpec dcaZAxis{dcaBins, "DCAz (cm)"};
const AxisSpec chi2TPCAxis{chi2Bins, "TPC Chi2"};
const AxisSpec chi2ITSAxis{chi2Bins, "ITS Chi2"};

if (doprocessData) {

// First we define the histograms on which we are cutting (tpc clusters, its clusters, ..)
registry.add("K/hTPCClusters", "", HistType::kTH1F, {{100, 0, 200}});
registry.add("K/hTPCCrossedRows", "", HistType::kTH1F, {{100, 0, 200}});
registry.add("K/hITSClusters", "", HistType::kTH1F, {{10, 0, 10}});
registry.add("K/hDCAxy", "", HistType::kTH1F, {dcaBins});
registry.add("K/hDCAz", "", HistType::kTH1F, {dcaBins});
registry.add("K/hChi2OverNCLsTPC", "", HistType::kTH1F, {chi2Bins});
registry.add("K/hChi2OverNCLsITS", "", HistType::kTH1F, {chi2Bins});
registry.addClone("K/", "K0s/");

// Add the signal histograms
registry.add("K/SignalPositive", "", HistType::kTHnSparseF, {ptBins, etaBins, phiBins, nsigmaBins, tpcClusterBins, itsClustersBins});
registry.add("K/SignalNegative", "", HistType::kTHnSparseF, {ptBins, etaBins, phiBins, nsigmaBins, tpcClusterBins, itsClustersBins});
registry.add("K0s/Signal", "", HistType::kTHnSparseF, {ptBins, etaBins, phiBins, invariantMassBins, tpcClusterBins, itsClustersBins});
registry.add("K/SignalPositive", "", HistType::kTHnSparseF, {ptAxis, etaAxis, phiAxis, nsigmaAxisTPC, nsigmaAxisTOF, tpcCrossedRowsAxis, itsClustersAxis, dcaXYAxis, dcaZAxis, chi2TPCAxis, chi2ITSAxis});
registry.add("K/SignalNegative", "", HistType::kTHnSparseF, {ptAxis, etaAxis, phiAxis, nsigmaAxisTPC, nsigmaAxisTOF, tpcCrossedRowsAxis, itsClustersAxis, dcaXYAxis, dcaZAxis, chi2TPCAxis, chi2ITSAxis});
registry.add("K0s/Signal", "", HistType::kTHnSparseF, {ptAxis, etaAxis, phiAxis, invariantMassBins, nsigmaAxisTPC, nsigmaAxisTOF, tpcCrossedRowsAxis, itsClustersAxis, dcaXYAxis, dcaZAxis, chi2TPCAxis, chi2ITSAxis});
}

if (doprocessMc) {
registry.add("K/GeneratedPositive", "", HistType::kTHnSparseF, {ptBins, etaBins, phiBins});
registry.add("K/GeneratedNegative", "", HistType::kTHnSparseF, {ptBins, etaBins, phiBins});
registry.add("K0s/Generated", "", HistType::kTHnSparseF, {ptBins, etaBins, phiBins});
registry.add("K/GeneratedPositive", "", HistType::kTHnSparseF, {ptAxis, etaAxis, phiAxis});
registry.add("K/GeneratedNegative", "", HistType::kTHnSparseF, {ptAxis, etaAxis, phiAxis});
registry.add("K0s/Generated", "", HistType::kTHnSparseF, {ptAxis, etaAxis, phiAxis});
}
}

using TrackType = soa::Join<aod::Tracks, aod::TracksExtra, aod::pidTPCFullKa, aod::pidTOFFullPi>;
using TrackType = soa::Join<aod::Tracks, aod::TracksExtra, aod::pidTPCFullPi, aod::pidTOFFullPi, aod::pidTPCFullKa, aod::pidTOFFullKa, aod::TracksDCA>;
using CollisionType = soa::Join<aod::Collisions, aod::EvSels>;

void processData(CollisionType const& collisions,
Expand All @@ -94,21 +116,45 @@ struct SystematicsMapping {
for (const auto& track : tracks) {
if (track.collisionId() != collision.globalIndex())
continue;
registry.fill(HIST("hTPCClusters"), track.tpcNClsFound());
registry.fill(HIST("hITSClusters"), track.itsNCls());
registry.fill(HIST("K/hTPCCrossedRows"), track.tpcNClsCrossedRows());
registry.fill(HIST("K/hITSClusters"), track.itsNCls());
registry.fill(HIST("K/hDCAxy"), track.dcaXY());
registry.fill(HIST("K/hDCAz"), track.dcaZ());
registry.fill(HIST("K/hChi2OverNCLsTPC"), track.tpcChi2NCl());
registry.fill(HIST("K/hChi2OverNCLsITS"), track.itsChi2NCl());
if (track.sign() > 0)
registry.fill(HIST("K/SignalPositive"), track.pt(), track.eta(), track.phi(), track.tpcNSigmaKa(), track.tpcNClsFound(), track.itsNCls());
registry.fill(HIST("K/SignalPositive"), track.pt(), track.eta(), track.phi(), track.tpcNSigmaKa(), track.tofNSigmaKa(), track.tpcNClsCrossedRows(), track.itsNCls(), track.dcaXY(), track.dcaZ(), track.tpcChi2NCl(), track.itsChi2NCl());
else
registry.fill(HIST("K/SignalNegative"), track.pt(), track.eta(), track.phi(), track.tpcNSigmaKa(), track.tpcNClsFound(), track.itsNCls());
registry.fill(HIST("K/SignalNegative"), track.pt(), track.eta(), track.phi(), track.tpcNSigmaKa(), track.tofNSigmaKa(), track.tpcNClsCrossedRows(), track.itsNCls(), track.dcaXY(), track.dcaZ(), track.tpcChi2NCl(), track.itsChi2NCl());
}

// K0s loop
for (const auto& v0 : v0s) {
if (v0.collisionId() != collision.globalIndex())
continue;

const auto& posTrack = v0.posTrack_as<TrackType>();
const auto& negTrack = v0.negTrack_as<TrackType>();
registry.fill(HIST("K0s/Signal"), v0.pt(), v0.eta(), v0.phi(), v0.mK0Short() - constants::physics::MassK0Short, std::min(posTrack.tpcNClsFound(), negTrack.tpcNClsFound()), std::min(posTrack.itsNCls(), negTrack.itsNCls()));
if (v0.v0radius() < v0radius ||
v0.v0cosPA() < v0cospa ||
std::abs(posTrack.eta()) > etadau ||
std::abs(negTrack.eta()) > etadau)
continue;
registry.fill(HIST("K0s/hTPCCrossedRows"), std::min(posTrack.tpcNClsCrossedRows(), negTrack.tpcNClsCrossedRows()));
registry.fill(HIST("K0s/hITSClusters"), std::min(posTrack.itsNCls(), negTrack.itsNCls()));
registry.fill(HIST("K0s/hDCAxy"), std::min(posTrack.dcaXY(), negTrack.dcaXY()));
registry.fill(HIST("K0s/hDCAz"), std::min(posTrack.dcaZ(), negTrack.dcaZ()));
registry.fill(HIST("K0s/hChi2OverNCLsTPC"), std::min(posTrack.tpcChi2NCl(), negTrack.tpcChi2NCl()));
registry.fill(HIST("K0s/hChi2OverNCLsITS"), std::min(posTrack.itsChi2NCl(), negTrack.itsChi2NCl()));
registry.fill(HIST("K0s/Signal"), v0.pt(), v0.eta(), v0.phi(), v0.mK0Short() - constants::physics::MassK0Short,
std::max(posTrack.tpcNSigmaPi(), negTrack.tpcNSigmaPi()),
std::max(posTrack.tofNSigmaPi(), negTrack.tofNSigmaPi()),
std::min(posTrack.tpcNClsCrossedRows(), negTrack.tpcNClsCrossedRows()),
std::min(posTrack.itsNCls(), negTrack.itsNCls()),
std::min(posTrack.dcaXY(), negTrack.dcaXY()),
std::min(posTrack.dcaZ(), negTrack.dcaZ()),
std::min(posTrack.tpcChi2NCl(), negTrack.tpcChi2NCl()),
std::min(posTrack.itsChi2NCl(), negTrack.itsChi2NCl()));
}
}
}
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