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[PWGJE] Add missing event selection to processReco in jetShape task #14280

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[PWGJE] Add missing event selection to processReco in jetShape task #14280

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37b7ea9
Add missing event selection to processReco
ynishida-style Dec 18, 2025
20122cc
Improvement of the track selection method
ynishida-style Dec 19, 2025
c407842
Reduce CPU usage in processSim by reordering particle–jet loops
ynishida-style Dec 22, 2025
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107 changes: 85 additions & 22 deletions PWGJE/Tasks/jetShape.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,8 @@ struct JetShapeTask {
{"tofPi", "tofPi", {HistType::kTH2F, {{nBinsPt, 0, ptMax}, {nBinsNSigma, nSigmaMin, nSigmaMax}}}},
{"tpcPr", "tpcPr", {HistType::kTH2F, {{nBinsP, 0, pMax}, {nBinsNSigma, nSigmaMin, nSigmaMax}}}},
{"tofPr", "tofPr", {HistType::kTH2F, {{nBinsPt, 0, ptMax}, {nBinsNSigma, nSigmaMin, nSigmaMax}}}},
{"tpcDedx", "tpcDedx", {HistType::kTHnSparseD, {{nBinsPForDedx, 0, pMax}, {nBinsTpcDedx, 0, 1000}}}},
{"tofBeta", "tofBeta", {HistType::kTH2F, {{nBinsPForBeta, 0, pMax}, {nBinsTofBeta, 0.4, 1.1}}}},
{"tpcDedx", "tpcDedx", {HistType::kTHnSparseD, {{nBinsPForDedx, 0, pMax}, {nBinsTpcDedx, 0, 1000}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
{"tofBeta", "tofBeta", {HistType::kTHnSparseD, {{nBinsPForBeta, 0, pMax}, {nBinsTofBeta, 0.4, 1.1}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
{"pVsPtForPr", "pVsPtForPr", {HistType::kTHnSparseD, {{nBinsP, 0, pMax}, {nBinsPt, 0, ptMax}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
{"pVsPtForPi", "pVsPtPi", {HistType::kTHnSparseD, {{nBinsP, 0, pMax}, {nBinsPt, 0, ptMax}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
{"tofMass", "tofMass", {HistType::kTH1F, {{90, 0, 3}}}},
Expand Down Expand Up @@ -114,7 +114,6 @@ struct JetShapeTask {
{"rho", "rho", {HistType::kTH1F, {{120, 0, 300}}}},
{"ptCorr", "Corrected jet pT; p_{T}^{corr} (GeV/c); Counts", {HistType::kTH1F, {{200, 0, 200}}}},
{"ptCorrVsDistance", "ptcorr_vs_distance", {HistType::kTH2F, {{70, 0, 0.7}, {100, 0, 100}}}},
{"distanceVsTrackpt", "trackpt_vs_distance", {HistType::kTH2F, {{70, 0, 0.7}, {100, 0, 100}}}},
{"jetDistanceVsTrackpt", "trackpt_vs_distance_injet", {HistType::kTH2F, {{70, 0, 0.7}, {100, 0, 100}}}},
{"ptSum", "ptSum", {HistType::kTHnSparseD, {{14, 0, 0.7}, {nBinsJetShapeFunc, 0, jetShapeFuncMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
{"ptSumBg1", "ptSumBg1", {HistType::kTHnSparseD, {{14, 0, 0.7}, {nBinsJetShapeFunc, 0, jetShapeFuncMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
Expand Down Expand Up @@ -229,6 +228,10 @@ struct JetShapeTask {

void processJetShape(soa::Filtered<soa::Join<aod::JetCollisions, aod::BkgChargedRhos>>::iterator const& collision, aod::JetTracks const& tracks, soa::Join<aod::ChargedJets, aod::ChargedJetConstituents> const& jets)
{
if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits)) {
return;
}

size_t nBins = distanceCategory->size() - 1;

float maxDistance = distanceCategory->at(nBins);
Expand Down Expand Up @@ -273,7 +276,9 @@ struct JetShapeTask {
}

for (const auto& track : tracks) {

if (!jetderiveddatautilities::selectTrack(track, trackSelection)) {
continue;
}
float trkPt = track.pt();
float trkPhi = track.phi();
float trkEta = track.eta();
Expand Down Expand Up @@ -403,7 +408,9 @@ struct JetShapeTask {
}

for (const auto& track : tracks) {

if (!jetderiveddatautilities::selectTrack(track, trackSelection)) {
continue;
}
if (std::abs(track.eta()) > etaTrUp)
continue;
if (track.tpcNClsCrossedRows() < nclcrossTpcMin)
Expand Down Expand Up @@ -499,8 +506,11 @@ struct JetShapeTask {
PROCESS_SWITCH(JetShapeTask, processJetProductionRatio,
"production ratio around jets", false);

void processInclusiveProductionRatio(soa::Filtered<soa::Join<aod::Collisions, aod::CentFT0Ms>>::iterator const& collision, soa::Join<aod::Tracks, aod::pidTPCFullPi, aod::pidTOFFullPi, aod::pidTPCFullPr, aod::pidTOFFullPr, aod::TracksExtra, aod::TracksDCA, aod::pidTOFbeta, aod::pidTOFmass> const& tracks)
void processInclusiveProductionRatio(soa::Filtered<aod::JetCollisions>::iterator const& collision, soa::Join<aod::JetTracks, aod::pidTPCFullPi, aod::pidTOFFullPi, aod::pidTPCFullPr, aod::pidTOFFullPr, aod::TracksExtra, aod::TracksDCA, aod::pidTOFbeta, aod::pidTOFmass, o2::aod::TrackSelection> const& tracks)
{
if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits)) {
return;
}

// tracks conditions
for (const auto& track : tracks) {
Expand All @@ -513,6 +523,10 @@ struct JetShapeTask {
registry.fill(HIST("trackEta"), track.eta());
registry.fill(HIST("trackPhi"), track.phi());

if (!jetderiveddatautilities::selectTrack(track, trackSelection)) {
continue;
}

if (std::abs(track.eta()) > etaTrUp)
continue;
if (track.tpcNClsCrossedRows() < nclcrossTpcMin)
Expand All @@ -534,6 +548,8 @@ struct JetShapeTask {
registry.fill(HIST("tofPi"), track.pt(), track.tofNSigmaPi());
registry.fill(HIST("tpcPr"), track.p(), track.tpcNSigmaPr());
registry.fill(HIST("tofPr"), track.pt(), track.tofNSigmaPr());
registry.fill(HIST("tpcDedx"), track.p(), track.tpcSignal(), collision.centFT0M());
registry.fill(HIST("tofBeta"), track.p(), track.beta(), collision.centFT0M());

if (std::abs(track.tofNSigmaPr()) < nSigmaTofCut) {
registry.fill(HIST("tpcTofPr"), track.p(), track.tpcNSigmaPr(), collision.centFT0M());
Expand All @@ -556,14 +572,19 @@ struct JetShapeTask {

void processReco(
soa::Filtered<soa::Join<aod::JetCollisionsMCD, aod::BkgChargedRhos>>::iterator const& collision,
soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::McTrackLabels> const& tracks, aod::ChargedMCDetectorLevelJets const& jets, aod::McParticles const& mcParticles)
soa::Join<aod::JetTracks, aod::TracksExtra, aod::TracksDCA, aod::McTrackLabels> const& tracks, aod::ChargedMCDetectorLevelJets const& jets, aod::McParticles const& mcParticles)
{
if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits)) {
return;
}

(void)mcParticles;

registry.fill(HIST("eventCounter"), 0.5);

float centrality = collision.centFT0M();
float rho = collision.rho();

registry.fill(HIST("mcCentralityReco"), centrality);

struct CachedJet {
Expand All @@ -583,6 +604,11 @@ struct JetShapeTask {
}

for (const auto& track : tracks) {

if (!jetderiveddatautilities::selectTrack(track, trackSelection)) {
continue;
}

if (!track.has_mcParticle())
continue;

Expand Down Expand Up @@ -657,35 +683,72 @@ struct JetShapeTask {
}
PROCESS_SWITCH(JetShapeTask, processReco, "process reconstructed simulation information", true);

void processSim(soa::Join<aod::McCollisions, aod::McCentFT0Ms>::iterator const& mcCollision, aod::ChargedMCParticleLevelJets const& mcpjets, aod::McParticles const& mcParticles)
void processSim(soa::Join<aod::McCollisions, aod::McCentFT0Ms>::iterator const& mcCollision,
aod::ChargedMCParticleLevelJets const& mcpjets,
aod::McParticles const& mcParticles)
{

if (std::abs(mcCollision.posZ()) > vertexZCut) {
return;
}
// --- centrality ---
float centrality = mcCollision.centFT0M();
registry.fill(HIST("mcCentralitySim"), centrality);

for (const auto& mcpjet : mcpjets) {
const float maxR2 = distanceMax * distanceMax;

for (const auto& mcParticle : mcParticles) {
// --- loop over MC particles only once ---
for (const auto& mcParticle : mcParticles) {

float dEta = mcParticle.eta() - mcpjet.eta();
float dPhi = std::abs(mcParticle.phi() - mcpjet.phi());
// --- early cuts on particle ---
if (!mcParticle.isPhysicalPrimary()) {
continue;
}

if (std::abs(mcParticle.y()) > mcRapidityMax) {
continue;
}

int absPdg = std::abs(mcParticle.pdgCode());
if (absPdg != PDG_t::kPiPlus &&
absPdg != PDG_t::kKPlus &&
absPdg != PDG_t::kProton) {
continue;
}

const float partPt = mcParticle.pt();
const float partEta = mcParticle.eta();
const float partPhi = mcParticle.phi();

// --- loop over jets ---
for (const auto& mcpjet : mcpjets) {

// --- delta eta cut first ---
float dEta = partEta - mcpjet.eta();
if (std::abs(dEta) > distanceMax) {
continue;
}

// --- delta phi ---
float dPhi = std::abs(partPhi - mcpjet.phi());
if (dPhi > o2::constants::math::PI) {
dPhi = o2::constants::math::TwoPI - dPhi;
}

float deltaR = std::sqrt(dEta * dEta + dPhi * dPhi);
if (deltaR > distanceMax) {
// --- delta R^2 ---
float dR2 = dEta * dEta + dPhi * dPhi;
if (dR2 > maxR2) {
continue;
}

if (mcParticle.isPhysicalPrimary() && std::fabs(mcParticle.y()) < mcRapidityMax) {
if (std::abs(mcParticle.pdgCode()) == PDG_t::kPiPlus)
registry.fill(HIST("ptGeneratedPion"), mcParticle.pt(), mcpjet.pt(), centrality);
if (std::abs(mcParticle.pdgCode()) == PDG_t::kKPlus)
registry.fill(HIST("ptGeneratedKaon"), mcParticle.pt(), mcpjet.pt(), centrality);
if (std::abs(mcParticle.pdgCode()) == PDG_t::kProton)
registry.fill(HIST("ptGeneratedProton"), mcParticle.pt(), mcpjet.pt(), centrality);
const float jetPt = mcpjet.pt();

// --- histogram fill ---
if (absPdg == PDG_t::kPiPlus) {
registry.fill(HIST("ptGeneratedPion"), partPt, jetPt, centrality);
} else if (absPdg == PDG_t::kKPlus) {
registry.fill(HIST("ptGeneratedKaon"), partPt, jetPt, centrality);
} else {
registry.fill(HIST("ptGeneratedProton"), partPt, jetPt, centrality);
}
}
}
Expand Down
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