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Merged
nzardosh merged 4 commits into from
Nov 22, 2025
Merged

[PWGJE] Add histograms for DCAxy distributions #13924

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e06b310
[PWGJE] Fix event selection bits and added histograms for MC particles
Arvindiiti Nov 12, 2025
5c4e84e
[PWGJE] Added process function for event and signal loss, new hist fo…
Arvindiiti Nov 16, 2025
6126477
[PWGJE] Add histograms for DCAxy distributions
Arvindiiti Nov 21, 2025
da54a2b
Merge branch 'AliceO2Group:master' into master
arvindkhuntia Nov 21, 2025
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132 changes: 126 additions & 6 deletions PWGJE/Tasks/nucleiInJets.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@
#include <Framework/OutputObjHeader.h>
#include <Framework/runDataProcessing.h>

#include "TDatabasePDG.h"

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[pdg/database] 

Do not use TDatabasePDG directly. Use o2::constants::physics::Mass... or Service<o2::framework::O2DatabasePDG> instead.
#include <TH1.h>
#include <TH2.h>
#include <TH3.h>
Expand Down Expand Up @@ -178,6 +178,7 @@
Configurable<std::string> cfgSkim{"cfgSkim", "fHighFt0Mult", "Configurable for skimming"};
Configurable<bool> sel8Coll{"sel8Coll", true, "sel8Coll for collisions"};
Configurable<bool> selNoSameBunchPileup{"selNoSameBunchPileup", false, "selNoSameBunchPileup for collisions"};
Configurable<double> cfgMaxZVertex{"cfgMaxZVertex", 10.0, "Maximum Z vertex selection in cm"};
Configurable<bool> selIsGoodZvtxFT0vsPV{"selIsGoodZvtxFT0vsPV", false, "selIsGoodZvtxFT0vsPV for collisions"};

// using EventTable = soa::Join<aod::JetCollisions, aod::EvSels, aod::CentFT0Ms, aod::CentFV0As, aod::CentFT0Cs>;
Expand Down Expand Up @@ -537,6 +538,14 @@
jetHist.add<TH2>("tracks/helium/h2TofNsigmaHeliumVsPt", "h2TofNsigmaHeliumVsPt; TofNsigma; #it{p}_{T}/z (GeV)", HistType::kTH2F, {{100, -5, 5}, {50, 0., 5.}});
jetHist.add<TH2>("tracks/antiHelium/h2TofNsigmaantiHeliumVsPt", "h2TofNsigmaantiHeliumVsPt; TofNsigma; #it{p}_{T}/z (GeV)", HistType::kTH2F, {{100, -5, 5}, {50, 0., 5.}});

// tracksInc/dcaxy/rec histograms for each particle type
std::vector<std::string> particles = {"proton", "antiProton", "deuteron", "antiDeuteron", "triton", "antiTriton", "helium", "antiHelium"};
for (const auto& particle : particles) {
jetHist.add<TH3>(("tracksInc/dcaxy/rec/" + particle + "/tpcPtVsDcaxy3D").c_str(), "pT vs Dcaxy vs Centrality", HistType::kTH3F, {{100, 0.f, 10.f}, {100, 0, 100}, dcaxyAxis});
jetHist.add<TH3>(("tracksInc/dcaxy/rec/" + particle + "/tpcPtVsDcaxy3DPIDVeto").c_str(), "pT vs Dcaxy vs Centrality (PID Veto)", HistType::kTH3F, {{100, 0.f, 10.f}, {100, 0, 100}, dcaxyAxis});
jetHist.add<TH3>(("tracksInc/dcaxy/rec/" + particle + "/tpcPtVsDcaxy3DPIDTOF").c_str(), "pT vs Dcaxy vs Centrality (PID TOF)", HistType::kTH3F, {{100, 0.f, 10.f}, {100, 0, 100}, dcaxyAxis});
}

if (isMC) {
// inc
jetHist.add<TH1>("recInc/eventStat", "Event statistics (inclusive)", HistType::kTH1F, {{6, 0.f, 6.f}});
Expand Down Expand Up @@ -1478,7 +1487,7 @@
}
jetHist.fill(HIST("hNEvents"), 1.5);
}
if (std::abs(collision.posZ()) > 10)
if (std::abs(collision.posZ()) > cfgMaxZVertex)
return;
jetHist.fill(HIST("hNEvents"), 2.5);
if (!jetderiveddatautilities::selectCollision(collision, jetderiveddatautilities::initialiseEventSelectionBits("sel8")))
Expand Down Expand Up @@ -1542,7 +1551,7 @@
}
jetHist.fill(HIST("hNEvents"), 1.5);
}
if (std::abs(collision.posZ()) > 10)
if (std::abs(collision.posZ()) > cfgMaxZVertex)
return;
jetHist.fill(HIST("hNEvents"), 2.5);

Expand Down Expand Up @@ -1588,7 +1597,7 @@
if (isWithJetEvents && nJets == 0)
return;
jetHist.fill(HIST("jet/h1JetEvents"), 0.5);
for (auto& track : tracks) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
auto trk = track.track_as<TrackCandidatesLfPid>();
fillTrackInfo<false>(trk, chargedjets, leadingJetWithPtEtaPhi, backgroundRho);
}
Expand All @@ -1606,7 +1615,7 @@
return;
jetHist.fill(HIST("hNEventsInc"), 1.5);

if (std::abs(coll.posZ()) > 10) // bad vertex

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return;
jetHist.fill(HIST("hNEventsInc"), 2.5);
if (selNoSameBunchPileup && !isSelNoSameBunchPileup)
Expand Down Expand Up @@ -1637,7 +1646,7 @@
jetHist.fill(HIST("hNEventsIncVsCent"), coll.posZ(), centrality);
for (const auto& track : tracks) {
auto trk = track.track_as<TrackCandidates>();
if (!isTrackSelected(trk)) {
if (!isTrackSelectedWithoutDcaxy(trk)) {
continue;
}

Expand All @@ -1651,6 +1660,117 @@

if (std::fabs(trk.eta()) > cfgtrkMaxEta)
continue;

bool hasTOF = trk.hasTOF();

if (trk.sign() > 0) { // particles

if (std::abs(trk.tpcNSigmaPr()) < cfgnTPCPIDPr) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/proton/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaPr()) < cfgnTPCPIDPrTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/proton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/proton/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/proton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // proton

if (std::abs(trk.tpcNSigmaDe()) < cfgnTPCPIDDe) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/deuteron/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaDe()) < cfgnTPCPIDDeTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/deuteron/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/deuteron/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/deuteron/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // Deuteron

if (std::abs(trk.tpcNSigmaTr()) < cfgnTPCPIDTr) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/triton/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaTr()) < cfgnTPCPIDTrTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/triton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/triton/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/triton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // Triton

if (std::abs(trk.tpcNSigmaHe()) < cfgnTPCPIDHe) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/helium/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaHe()) < cfgnTPCPIDHeTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/helium/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/helium/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/helium/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // Helium

} else { // antiparticles

if (std::abs(trk.tpcNSigmaPr()) < cfgnTPCPIDPr) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiProton/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaPr()) < cfgnTPCPIDPrTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiProton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiProton/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiProton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // proton

if (std::abs(trk.tpcNSigmaDe()) < cfgnTPCPIDDe) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiDeuteron/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaDe()) < cfgnTPCPIDDeTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiDeuteron/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiDeuteron/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiDeuteron/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // Deuteron

if (std::abs(trk.tpcNSigmaTr()) < cfgnTPCPIDTr) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiTriton/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaTr()) < cfgnTPCPIDTrTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiTriton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiTriton/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiTriton/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // Triton

if (std::abs(trk.tpcNSigmaHe()) < cfgnTPCPIDHe) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiHelium/tpcPtVsDcaxy3D"), trk.pt(), centrality, trk.dcaXY());
if (useTOFVeto && hasTOF) {
if (std::abs(trk.tofNSigmaHe()) < cfgnTPCPIDHeTOF) {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiHelium/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiHelium/tpcPtVsDcaxy3DPIDTOF"), trk.pt(), centrality, trk.dcaXY());
}
} else {
jetHist.fill(HIST("tracksInc/dcaxy/rec/antiHelium/tpcPtVsDcaxy3DPIDVeto"), trk.pt(), centrality, trk.dcaXY());
}
} // Helium

} // antiparticles

// DCAxy selection for rest of the analysis
if (std::fabs(trk.dcaXY()) > cfgMaxDCArToPVcut && !useDcaxyPtDepCut)
continue;
if (std::fabs(trk.dcaXY()) > dcaXYPtDepCut(trk.pt()) && useDcaxyPtDepCut)
continue;

if (trk.sign() > 0) { // particle info
if (useTOFNsigmaPreSel && trk.hasTOF()) {
if (std::abs(trk.tofNSigmaPr()) < cfgnTPCPIDPrTOF && (!useRapidityCutForPID || prRapidityWithinRange)) {
Expand Down Expand Up @@ -1786,7 +1906,7 @@
jetHist.fill(HIST("mcpJet/eventStat"), 0.5);
jetHist.fill(HIST("mcpJet/eventStat"), 1.5);

if (std::abs(collision.posZ()) > 10) // bad vertex
if (std::abs(collision.posZ()) > cfgMaxZVertex) // bad vertex
return;

jetHist.fill(HIST("mcpJet/eventStat"), 2.5);
Expand Down Expand Up @@ -1841,7 +1961,7 @@
// bool jetFlag = kFALSE;
jetHist.fill(HIST("mcdJet/eventStat"), 1.5);

if (std::abs(collisionJet.posZ()) > 10)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return;

jetHist.fill(HIST("mcdJet/eventStat"), 2.5);
Expand All @@ -1849,7 +1969,7 @@
int nJets = 0;
std::vector<float> leadingJetWithPtEtaPhi(3);
float leadingJetPt = -1.0f;
for (auto& mcdjet : mcdjets) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
jetHist.fill(HIST("mcdJet/hJetPt"), mcdjet.pt());
jetHist.fill(HIST("mcdJet/hJetEta"), mcdjet.eta());
jetHist.fill(HIST("mcdJet/hJetPhi"), mcdjet.phi());
Expand Down Expand Up @@ -1915,7 +2035,7 @@
soa::Join<aod::JetTracks, aod::JTrackPIs, aod::JMcTrackLbs> const& tracks,
JetMCPartTable const&, TrackCandidatesMC const&, aod::JetParticles const& particleTracks, aod::JMcCollisions const&)
{
if (std::abs(collision.posZ()) > 10)
if (std::abs(collision.posZ()) > cfgMaxZVertex)
return;
if (!jetderiveddatautilities::selectCollision(collision, jetderiveddatautilities::initialiseEventSelectionBits("sel8")))
return;
Expand Down Expand Up @@ -1969,7 +2089,7 @@
LOGP(fatal, "Error: Index {} is out of range for vectors!", indexJet);
}
if (useMcC) {
if (randUniform.Uniform(0, 1) < 0.5)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
jetHist.fill(HIST("recmatched/h2ResponseMatrixLeadingJet"), mcdJetPt.at(indexJet), mcpJetPt.at(indexJet));
else
jetHist.fill(HIST("recmatched/mcC/h2ResponseMatrixLeadingJet"), mcdJetPt.at(indexJet), mcpJetPt.at(indexJet));
Expand Down Expand Up @@ -2037,7 +2157,7 @@
bool isTpcPassed(true); // why is this always true?
jetHist.fill(HIST("eff/recmatched/pt/PtParticleType"), mcTrack.pt(), jetFlag, mapPDGToValue(mcTrack.pdgCode()));
if (useMcC) {
if (randUniform.Uniform(0, 1) < 0.5)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
jetHist.fill(HIST("eff/recmatched/mcC/pt/PtParticleType"), track.pt(), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()));
else
jetHist.fill(HIST("eff/recmatched/mcCSpectra/pt/PtParticleType"), track.pt(), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()));
Expand Down Expand Up @@ -2137,7 +2257,7 @@
if (!jetderiveddatautilities::selectCollision(recocoll, jetderiveddatautilities::initialiseEventSelectionBits("sel8")))
return;
}
if (std::abs(collision.posZ()) > 10)
if (std::abs(collision.posZ()) > cfgMaxZVertex)
return;
jetHist.fill(HIST("genmatched/vertexZ"), collision.posZ());

Expand Down Expand Up @@ -2321,7 +2441,7 @@
if (std::abs(rapidity) > cfgtrkMaxRap)
continue;
// Proton
if (std::abs(mcTrack.pdgCode()) == 2212) { // Proton

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
jetHist.fill(HIST("recInc/eff/tpcTrack3D"), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()), centrality);
if (track.hasTOF())
jetHist.fill(HIST("recInc/eff/tpcTofTrack3D"), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()), centrality);
Expand Down Expand Up @@ -2351,14 +2471,14 @@
// TPCTOF and TPCTOFVeto histograms
// Proton
if (std::abs(track.tpcNSigmaPr()) < cfgnTPCPIDPr && track.hasTOF()) {
if (std::abs(mcTrack.pdgCode()) == 2212) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
jetHist.fill(HIST("recInc/pt/PtParticleTypeTPCTOF"), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()), centrality);
if (std::abs(track.tofNSigmaPr()) < cfgnTPCPIDPrTOF)
jetHist.fill(HIST("recInc/pt/PtParticleTypeTPCTOFVeto"), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()), centrality);
}
} else {
if (std::abs(track.tpcNSigmaPr()) < cfgnTPCPIDPr) {
if (std::abs(mcTrack.pdgCode()) == 2212) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
jetHist.fill(HIST("recInc/pt/PtParticleTypeTPCTOFVeto"), mcTrack.pt(), mapPDGToValue(mcTrack.pdgCode()), centrality);
}
}
Expand Down
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