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[PWGLF] Added additional event selection #12034

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Merged
dmallick2 merged 1 commit into from
Jul 14, 2025
Merged

[PWGLF] Added additional event selection #12034

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14 changes: 14 additions & 0 deletions PWGLF/Tasks/Resonances/kstarqa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,8 @@
Configurable<int> cSelectMultEstimator{"cSelectMultEstimator", 0, "Select multiplicity estimator: 0 - FT0M, 1 - FT0A, 2 - FT0C"};
Configurable<bool> applyRecMotherRapidity{"applyRecMotherRapidity", true, "Apply rapidity cut on reconstructed mother track"};
Configurable<bool> applypTdepPID{"applypTdepPID", false, "Apply pT dependent PID"};
Configurable<bool> ispileupGoodvtxCut{"ispileupGoodvtxCut", true, "kNoSameBunchPileup, kIsGoodZvtxFT0vsPV cuts"};
Configurable<bool> allLayersGoodITS{"allLayersGoodITS", true, "Require all ITS layers to be good"};

// Configurables for track selections
Configurable<int> rotationalCut{"rotationalCut", 10, "Cut value (Rotation angle pi - pi/cut and pi + pi/cut)"};
Expand Down Expand Up @@ -247,6 +249,12 @@
if (rctCut.requireRCTFlagChecker && !rctChecker(collision)) {
return false;
}
if (ispileupGoodvtxCut && (!collision.selection_bit(aod::evsel::kNoSameBunchPileup) || !collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV))) {
return false;
}
if (allLayersGoodITS && !collision.selection_bit(o2::aod::evsel::kIsGoodITSLayersAll)) {
return false;
}
return true;
}

Expand Down Expand Up @@ -354,23 +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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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
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] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPCPi && !candidate.hasTOF()) {

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return true;
}
} else if (PID == 1) {
if (candidate.pt() < 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPCKa) {

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPCKa && candidate.hasTOF() && TMath::Abs(candidate.tofNSigmaKa()) < nsigmaCutTOFKa) {

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPCKa && !candidate.hasTOF()) {

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[root/entity] 

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return true;
}
}
Expand Down Expand Up @@ -538,7 +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] 

Use std:: prefix for names from the std namespace.
hInvMass.fill(HIST("h3KstarInvMassRotated"), multiplicity, motherRot.Pt(), motherRot.M(), cosThetaStarProduction);
}
} else if (isMix && std::abs(mother.Rapidity()) < 0.5) {
Expand Down Expand Up @@ -828,7 +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 All @@ -855,6 +863,9 @@
if (!collision.sel8()) {
continue;
}
if (ispileupGoodvtxCut && (!collision.selection_bit(aod::evsel::kNoSameBunchPileup) || !collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV))) {
continue;
}
multiplicity = collision.centFT0M();
hInvMass.fill(HIST("h1GenMult"), multiplicity);
selectedEvents[nevts++] = collision.mcCollision_as<aod::McCollisions>().globalIndex();
Expand All @@ -875,7 +886,7 @@
}
rEventSelection.fill(HIST("events_check"), 5.5);

if (std::abs(mcParticle.pdgCode()) != 313) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
continue;
}
rEventSelection.fill(HIST("events_check"), 6.5);
Expand Down Expand Up @@ -978,6 +989,9 @@
if (!collision.sel8()) {
return;
}
if (ispileupGoodvtxCut && (!collision.selection_bit(aod::evsel::kNoSameBunchPileup) || !collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV))) {
return;
}
multiplicity = collision.centFT0M();
hInvMass.fill(HIST("h1RecMult"), multiplicity);

Expand Down Expand Up @@ -1110,7 +1124,7 @@
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] 

Replace ROOT entities with equivalents from standard C++ or from O2.

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