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[PWGLF] PID plots added in MC #12064

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Merged
dmallick2 merged 1 commit into from
Jul 15, 2025
Merged

[PWGLF] PID plots added in MC #12064

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32 changes: 22 additions & 10 deletions PWGLF/Tasks/Resonances/kstarqa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -224,8 +224,8 @@
// hInvMass.add("multdist_FT0A", "FT0A Multiplicity distribution", kTH1F, {axisMultdist});
// hInvMass.add("multdist_FT0C", "FT0C Multiplicity distribution", kTH1F, {axisMultdist});
// hInvMass.add("hNcontributor", "Number of primary vertex contributor", kTH1F, {{2000, 0.0f, 10000.0f}});
rEventSelection.add("hDcaxy", "Dcaxy distribution", kTH1F, {{50, -1.0f, 1.0f}});
rEventSelection.add("hDcaz", "Dcaz distribution", kTH1F, {{50, -1.0f, 1.0f}});
rEventSelection.add("hDcaxy", "Dcaxy distribution", kTH1F, {{200, -1.0f, 1.0f}});
rEventSelection.add("hDcaz", "Dcaz distribution", kTH1F, {{200, -1.0f, 1.0f}});
}
}

Expand Down Expand Up @@ -362,23 +362,23 @@
bool selectionPIDNew(const T& candidate, int PID)
{
if (PID == 0) {
if (candidate.pt() < 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPCPi) {

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPCPi && candidate.hasTOF() && TMath::Abs(candidate.tofNSigmaPi()) < nsigmaCutTOFPi) {

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[root/entity] 

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPCPi && !candidate.hasTOF()) {

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return true;
}
} else if (PID == 1) {
if (candidate.pt() < 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPCKa) {

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[root/entity] 

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPCKa && candidate.hasTOF() && TMath::Abs(candidate.tofNSigmaKa()) < nsigmaCutTOFKa) {

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPCKa && !candidate.hasTOF()) {

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return true;
}
}
Expand Down Expand Up @@ -546,7 +546,7 @@
daughterRot = ROOT::Math::PxPyPzMVector(daughter1.Px() * std::cos(theta2) - daughter1.Py() * std::sin(theta2), daughter1.Px() * std::sin(theta2) + daughter1.Py() * std::cos(theta2), daughter1.Pz(), daughter1.M());

motherRot = daughterRot + daughter2;
if (calcRotational && abs(motherRot.Rapidity()) < 0.5)

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[std-prefix] 

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hInvMass.fill(HIST("h3KstarInvMassRotated"), multiplicity, motherRot.Pt(), motherRot.M(), cosThetaStarProduction);
}
} else if (isMix && std::abs(mother.Rapidity()) < 0.5) {
Expand Down Expand Up @@ -836,7 +836,7 @@
int nChInel = 0;
for (const auto& mcParticle : mcParticles) {
auto pdgcode = std::abs(mcParticle.pdgCode());
if (mcParticle.isPhysicalPrimary() && (pdgcode == 211 || pdgcode == 321 || pdgcode == 2212 || pdgcode == 11 || pdgcode == 13)) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
if (std::abs(mcParticle.eta()) < 1.0) {
nChInel = nChInel + 1;
}
Expand Down Expand Up @@ -1035,21 +1035,33 @@
int track1PDG = std::abs(mctrack1.pdgCode());
int track2PDG = std::abs(mctrack2.pdgCode());

if (cQAplots && (mctrack1.pdgCode() == 211 || mctrack2.pdgCode() == 211)) { // pion
if (cQAplots && (mctrack2.pdgCode() == 211)) { // pion
hPID.fill(HIST("Before/h1PID_TPC_pos_pion"), track2.tpcNSigmaPi());
hPID.fill(HIST("Before/h1PID_TOF_pos_pion"), track2.tofNSigmaPi());
hPID.fill(HIST("Before/hNsigmaTPC_Pi_before"), track2.pt(), track2.tpcNSigmaPi());
hPID.fill(HIST("Before/hNsigmaTOF_Pi_before"), track2.pt(), track2.tofNSigmaPi());
}
if (cQAplots && (mctrack1.pdgCode() == 321 || mctrack2.pdgCode() == 321)) { // kaon
if (cQAplots && (mctrack2.pdgCode() == 321)) { // kaon
hPID.fill(HIST("Before/h1PID_TPC_pos_kaon"), track2.tpcNSigmaKa());
hPID.fill(HIST("Before/h1PID_TOF_pos_kaon"), track2.tofNSigmaKa());
hPID.fill(HIST("Before/hNsigmaTPC_Ka_before"), track2.pt(), track2.tpcNSigmaKa());
hPID.fill(HIST("Before/hNsigmaTOF_Ka_before"), track2.pt(), track2.tofNSigmaKa());
}
if (cQAplots && (mctrack1.pdgCode() == -211 || mctrack2.pdgCode() == -211)) { // negative track pion
hPID.fill(HIST("Before/h1PID_TPC_neg_pion"), track1.tpcNSigmaPi());
hPID.fill(HIST("Before/h1PID_TOF_neg_pion"), track1.tofNSigmaPi());
if (cQAplots && (mctrack2.pdgCode() == -211)) { // negative track pion
hPID.fill(HIST("Before/h1PID_TPC_neg_pion"), track2.tpcNSigmaPi());
hPID.fill(HIST("Before/h1PID_TOF_neg_pion"), track2.tofNSigmaPi());
hPID.fill(HIST("Before/hNsigmaTPC_Pi_before"), track2.pt(), track2.tpcNSigmaPi());
hPID.fill(HIST("Before/hNsigmaTOF_Pi_before"), track2.pt(), track2.tofNSigmaPi());
}
if (cQAplots && (mctrack1.pdgCode() == -321 || mctrack2.pdgCode() == -321)) { // negative track kaon
hPID.fill(HIST("Before/h1PID_TPC_neg_kaon"), track1.tpcNSigmaKa());
hPID.fill(HIST("Before/h1PID_TOF_neg_kaon"), track1.tofNSigmaKa());
if (cQAplots && (mctrack2.pdgCode() == -321)) { // negative track kaon
hPID.fill(HIST("Before/h1PID_TPC_neg_kaon"), track2.tpcNSigmaKa());
hPID.fill(HIST("Before/h1PID_TOF_neg_kaon"), track2.tofNSigmaKa());
hPID.fill(HIST("Before/hNsigmaTPC_Ka_before"), track2.pt(), track2.tpcNSigmaKa());
hPID.fill(HIST("Before/hNsigmaTOF_Ka_before"), track2.pt(), track2.tofNSigmaKa());
}
if (cQAplots && (abs(mctrack1.pdgCode()) == 321 && abs(mctrack2.pdgCode()) == 211)) {

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[std-prefix] 

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hPID.fill(HIST("Before/hNsigma_TPC_TOF_Ka_before"), track1.tpcNSigmaKa(), track1.tofNSigmaKa());
hPID.fill(HIST("Before/hNsigma_TPC_TOF_Pi_before"), track2.tpcNSigmaPi(), track2.tofNSigmaPi());
}

if (!mctrack1.isPhysicalPrimary()) {
Expand Down Expand Up @@ -1124,7 +1136,7 @@
daughter2 = ROOT::Math::PxPyPzMVector(track2.px(), track2.py(), track2.pz(), massPi);
mother = daughter1 + daughter2; // Kstar meson

hInvMass.fill(HIST("h2KstarRecpt2"), mothertrack1.pt(), multiplicity, TMath::Sqrt(mothertrack1.e() * mothertrack1.e() - mothertrack1.p() * mothertrack1.p()));

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[root/entity] 

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if (applyRecMotherRapidity && mother.Rapidity() >= 0) {
continue;
Expand Down
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