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[PWGCF] FemtoUniverse -- corrected mc truth filling for the secondary contamination estimation #11987

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Merged
zchochul merged 3 commits into from
Jul 9, 2025
Merged

[PWGCF] FemtoUniverse -- corrected mc truth filling for the secondary contamination estimation #11987

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ef8d9ee
adding secondary contamination calculations for p-phi analysis
Jul 7, 2025
f515652
fix: correcting mc truth filling for the secondary contamination esti…
Jul 9, 2025
4fc3541
Merge branch 'master' into 09.07
zchochul Jul 9, 2025
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20 changes: 5 additions & 15 deletions PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackPhi.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@

bool isProtonRejected(float mom, float nsigmaTPCPi, float nsigmaTOFPi, float nsigmaTPCK, float nsigmaTOFK)
{
if (mom < 0.5) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return true;
}
if (mom > 0.5) {
Expand Down Expand Up @@ -513,13 +513,6 @@
if constexpr (isMC) {
// reco
effCorrection.fillRecoHist<ParticleNo::ONE, FilteredFDCollisions>(phicandidate, 333);
// truth
auto mcPartId1 = phicandidate.fdMCParticleId();
auto const& mcpart1 = mcParts.iteratorAt(mcPartId1);
if (mcpart1.pdgMCTruth() != 333) {
continue;
}
effCorrection.fillTruthHist<ParticleNo::ONE, FilteredFDCollisions>(phicandidate);
}
}

Expand Down Expand Up @@ -560,14 +553,6 @@

if constexpr (isMC) {
effCorrection.fillRecoHist<ParticleNo::TWO, FilteredFDCollisions>(track, ConfTrackPDGCode);

// truth
auto mcPartId2 = track.fdMCParticleId();
auto const& mcpart2 = mcParts.iteratorAt(mcPartId2);
if (mcpart2.pdgMCTruth() != ConfTrackPDGCode) {
continue;
}
effCorrection.fillTruthHist<ParticleNo::TWO, FilteredFDCollisions>(track);
}
}

Expand Down Expand Up @@ -728,23 +713,28 @@
continue;
}

if (pdgCode == ConfTrackPDGCode) {
effCorrection.fillTruthHist<ParticleNo::TWO, FilteredFDCollisions>(part);
}

// charge +
if (pdgParticle->Charge() > 0.0) {
registryMCtruth.fill(HIST("MCtruthAllPositivePt"), part.pt());
if (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.
registryMCtruth.fill(HIST("MCtruthPpos"), part.pt(), part.eta());
registryMCtruth.fill(HIST("MCtruthPposPt"), part.pt());
continue;
} else if (pdgCode == 321) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCtruth.fill(HIST("MCtruthKp"), part.pt(), part.eta());
registryMCtruth.fill(HIST("MCtruthKpPt"), part.pt());
continue;
}
}
// charge 0
if (pdgCode == 333) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCtruth.fill(HIST("MCtruthPhi"), part.pt(), part.eta());
registryMCtruth.fill(HIST("MCtruthPhiPt"), part.pt());
effCorrection.fillTruthHist<ParticleNo::ONE, FilteredFDCollisions>(part);
continue;
}

Expand All @@ -752,11 +742,11 @@
if (pdgParticle->Charge() < 0.0) {
registryMCtruth.fill(HIST("MCtruthAllNegativePt"), part.pt());

if (pdgCode == -321) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCtruth.fill(HIST("MCtruthKm"), part.pt(), part.eta());
registryMCtruth.fill(HIST("MCtruthKmPt"), part.pt());
continue;
} else if (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.
registryMCtruth.fill(HIST("MCtruthPneg"), part.pt(), part.eta());
registryMCtruth.fill(HIST("MCtruthPnegPt"), part.pt());
continue;
Expand All @@ -779,7 +769,7 @@
float weightTrack = effCorrection.getWeight<FilteredFDCollisions>(ParticleNo::TWO, part);
registryMCpT.fill(HIST("MCReco/C_p_pT"), part.pt(), weightTrack);
}
if ((mcpart.pdgMCTruth() == 333) && (part.partType() == aod::femtouniverseparticle::ParticleType::kPhi) && (part.pt() > ConfPhiPtLow) && (part.pt() < ConfPhiPtHigh)) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCpT.fill(HIST("MCReco/NC_phi_pT"), part.pt());
float weightPhi = effCorrection.getWeight<FilteredFDCollisions>(ParticleNo::ONE, part);
registryMCpT.fill(HIST("MCReco/C_phi_pT"), part.pt(), weightPhi);
Expand All @@ -787,19 +777,19 @@

if (isParticleNSigmaAccepted(part.p(), trackCuts.getNsigmaTPC(part, o2::track::PID::Proton), trackCuts.getNsigmaTOF(part, o2::track::PID::Proton), trackCuts.getNsigmaTPC(part, o2::track::PID::Pion), trackCuts.getNsigmaTOF(part, o2::track::PID::Pion), trackCuts.getNsigmaTPC(part, o2::track::PID::Kaon), trackCuts.getNsigmaTOF(part, o2::track::PID::Kaon)))
hTrackDCA.fillQA<true, true>(part);
if ((part.partType() == aod::femtouniverseparticle::ParticleType::kPhi) && (mcpart.pdgMCTruth() == 333) && (mcpart.partOriginMCTruth() == aod::femtouniverse_mc_particle::ParticleOriginMCTruth::kPrimary)) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCreco.fill(HIST("MCrecoPhi"), mcpart.pt(), mcpart.eta()); // phi
registryMCreco.fill(HIST("MCrecoPhiPt"), mcpart.pt());
} else if (part.partType() == aod::femtouniverseparticle::ParticleType::kTrack) {
if (part.sign() > 0) {
registryMCreco.fill(HIST("MCrecoAllPositivePt"), mcpart.pt());
if (mcpart.pdgMCTruth() == 2212 && isParticleNSigmaAccepted(part.p(), trackCuts.getNsigmaTPC(part, o2::track::PID::Proton), trackCuts.getNsigmaTOF(part, o2::track::PID::Proton), trackCuts.getNsigmaTPC(part, o2::track::PID::Pion), trackCuts.getNsigmaTOF(part, o2::track::PID::Pion), trackCuts.getNsigmaTPC(part, o2::track::PID::Kaon), trackCuts.getNsigmaTOF(part, o2::track::PID::Kaon))) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCreco.fill(HIST("MCrecoPpos"), mcpart.pt(), mcpart.eta());
registryMCreco.fill(HIST("MCrecoPposPt"), mcpart.pt());
}
} else if (part.sign() < 0) {
registryMCreco.fill(HIST("MCrecoAllNegativePt"), mcpart.pt());
if (mcpart.pdgMCTruth() == -2212 && isParticleNSigmaAccepted(part.p(), trackCuts.getNsigmaTPC(part, o2::track::PID::Proton), trackCuts.getNsigmaTOF(part, o2::track::PID::Proton), trackCuts.getNsigmaTPC(part, o2::track::PID::Pion), trackCuts.getNsigmaTOF(part, o2::track::PID::Pion), trackCuts.getNsigmaTPC(part, o2::track::PID::Kaon), trackCuts.getNsigmaTOF(part, o2::track::PID::Kaon))) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registryMCreco.fill(HIST("MCrecoPneg"), mcpart.pt(), mcpart.eta());
registryMCreco.fill(HIST("MCrecoPnegPt"), mcpart.pt());
}
Expand Down
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