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Merged
dmallick2 merged 2 commits into from
Aug 13, 2025
Merged

[PWGLF] Added MID in MC #12565

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3eb2864
added MID in MC
Aug 13, 2025
411c131
correction in PID check
Aug 13, 2025
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132 changes: 97 additions & 35 deletions PWGLF/Tasks/Resonances/kstarqa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -97,9 +97,9 @@ struct Kstarqa {
Configurable<int> rotationalCut{"rotationalCut", 10, "Cut value (Rotation angle pi - pi/cut and pi + pi/cut)"};
Configurable<float> cfgCutPT{"cfgCutPT", 0.2f, "PT cut on daughter track"};
Configurable<float> cfgCutEtaMax{"cfgCutEtaMax", 0.8f, "Eta cut on daughter track"};
Configurable<float> cfgCutEtaMin{"cfgCutEtaMin", 0.0f, "Eta cut on daughter track"};
// Configurable<float> cfgCutEtaMin{"cfgCutEtaMin", 0.0f, "Eta cut on daughter track"};
Configurable<float> cfgCutDCAxyMax{"cfgCutDCAxyMax", 2.0f, "DCAxy range for tracks"};
Configurable<float> cfgCutDCAxyMin{"cfgCutDCAxyMin", 0.0f, "DCAxy range for tracks"};
// Configurable<float> cfgCutDCAxyMin{"cfgCutDCAxyMin", 0.0f, "DCAxy range for tracks"};
Configurable<float> cfgCutDCAz{"cfgCutDCAz", 2.0f, "DCAz range for tracks"};
Configurable<float> ctrackRapidity{"ctrackRapidity", 0.3f, "Cut on track rapidity"};
Configurable<int> cfgNoMixedEvents{"cfgNoMixedEvents", 5, "Number of mixed events per event"};
Expand Down Expand Up @@ -324,18 +324,20 @@ struct Kstarqa {

std::shared_ptr<TH1> hrecLabel = rEventSelection.get<TH1>(HIST("recMCparticles"));
hrecLabel->GetXaxis()->SetBinLabel(1, "All tracks");
hrecLabel->GetXaxis()->SetBinLabel(2, "Track selection");
hrecLabel->GetXaxis()->SetBinLabel(3, "has_MC");
hrecLabel->GetXaxis()->SetBinLabel(2, "has_MC");
hrecLabel->GetXaxis()->SetBinLabel(3, "Track selection");
hrecLabel->GetXaxis()->SetBinLabel(4, "StrictlyUpperIndex");
hrecLabel->GetXaxis()->SetBinLabel(5, "Unlike Sign");
hrecLabel->GetXaxis()->SetBinLabel(6, "Physical Primary");
hrecLabel->GetXaxis()->SetBinLabel(7, "PID Cut");
hrecLabel->GetXaxis()->SetBinLabel(8, "Rapidity Cut");
hrecLabel->GetXaxis()->SetBinLabel(9, "Same mother");
hrecLabel->GetXaxis()->SetBinLabel(10, "Generator");
hrecLabel->GetXaxis()->SetBinLabel(11, "Rapidity");
hrecLabel->GetXaxis()->SetBinLabel(12, "MotherPID313");
hrecLabel->GetXaxis()->SetBinLabel(13, "Split track");
hrecLabel->GetXaxis()->SetBinLabel(7, "Track PDG");
hrecLabel->GetXaxis()->SetBinLabel(8, "Global Index");
hrecLabel->GetXaxis()->SetBinLabel(9, "Generator");
hrecLabel->GetXaxis()->SetBinLabel(10, "Mother y");
hrecLabel->GetXaxis()->SetBinLabel(11, "Mother PDG");
hrecLabel->GetXaxis()->SetBinLabel(12, "Track PID");
hrecLabel->GetXaxis()->SetBinLabel(13, "Track MID");
hrecLabel->GetXaxis()->SetBinLabel(14, "Track y");
hrecLabel->GetXaxis()->SetBinLabel(15, "Split tracks");

std::shared_ptr<TH1> hDataTracks = rEventSelection.get<TH1>(HIST("tracksCheckData"));
hDataTracks->GetXaxis()->SetBinLabel(1, "All tracks");
Expand Down Expand Up @@ -455,16 +457,18 @@ struct Kstarqa {
return false;
if (std::abs(candidate.pt()) < selectionConfig.cfgCutPT)
return false;
if (std::abs(candidate.eta()) > selectionConfig.cfgCutEtaMax || std::abs(candidate.eta()) < selectionConfig.cfgCutEtaMin)
// if (std::abs(candidate.eta()) > selectionConfig.cfgCutEtaMax || std::abs(candidate.eta()) < selectionConfig.cfgCutEtaMin)
if (std::abs(candidate.eta()) > selectionConfig.cfgCutEtaMax)
return false;
if (!selectionConfig.isApplyPtDepDCAxyCut) {
if (std::abs(candidate.dcaXY()) > selectionConfig.cfgCutDCAxyMax || std::abs(candidate.dcaXY()) < selectionConfig.cfgCutDCAxyMin)
// if (std::abs(candidate.dcaXY()) > selectionConfig.cfgCutDCAxyMax || std::abs(candidate.dcaXY()) < selectionConfig.cfgCutDCAxyMin)
if (std::abs(candidate.dcaXY()) > selectionConfig.cfgCutDCAxyMax)
return false;
} else {
if (std::abs(candidate.dcaXY()) > (0.0105 + 0.035 / std::pow(candidate.pt(), 1.1)))
return false;
}
if (selectionConfig.isGoldenChi2 && candidate.passedGoldenChi2())
if (selectionConfig.isGoldenChi2 && !candidate.passedGoldenChi2())
return false;
if (std::abs(candidate.dcaZ()) > selectionConfig.cfgCutDCAz)
return false;
Expand All @@ -485,9 +489,11 @@ struct Kstarqa {
} else if (!selectionConfig.isGlobalTracks) {
if (std::abs(candidate.pt()) < selectionConfig.cfgCutPT)
return false;
if (std::abs(candidate.eta()) > selectionConfig.cfgCutEtaMax || std::abs(candidate.eta()) < selectionConfig.cfgCutEtaMin)
// if (std::abs(candidate.eta()) > selectionConfig.cfgCutEtaMax || std::abs(candidate.eta()) < selectionConfig.cfgCutEtaMin)
if (std::abs(candidate.eta()) > selectionConfig.cfgCutEtaMax)
return false;
if (std::abs(candidate.dcaXY()) > selectionConfig.cfgCutDCAxyMax || std::abs(candidate.dcaXY()) < selectionConfig.cfgCutDCAxyMin)
// if (std::abs(candidate.dcaXY()) > selectionConfig.cfgCutDCAxyMax || std::abs(candidate.dcaXY()) < selectionConfig.cfgCutDCAxyMin)
if (std::abs(candidate.dcaXY()) > selectionConfig.cfgCutDCAxyMax)
return false;
if (std::abs(candidate.dcaZ()) > selectionConfig.cfgCutDCAz)
return false;
Expand Down Expand Up @@ -650,8 +656,10 @@ struct Kstarqa {
// Filter eventFilter = (o2::aod::evsel::sel8 == true);
Filter posZFilter = (nabs(o2::aod::collision::posZ) < selectionConfig.cutzvertex);

Filter acceptanceFilter = (nabs(aod::track::eta) < selectionConfig.cfgCutEtaMax && nabs(aod::track::pt) > selectionConfig.cfgCutPT) && (nabs(aod::track::eta) > selectionConfig.cfgCutEtaMin);
Filter fDCAcutFilter = (nabs(aod::track::dcaXY) < selectionConfig.cfgCutDCAxyMax) && (nabs(aod::track::dcaZ) < selectionConfig.cfgCutDCAz) && (nabs(aod::track::dcaXY) > selectionConfig.cfgCutDCAxyMin);
// Filter acceptanceFilter = (nabs(aod::track::eta) < selectionConfig.cfgCutEtaMax && nabs(aod::track::pt) > selectionConfig.cfgCutPT) && (nabs(aod::track::eta) > selectionConfig.cfgCutEtaMin);
Filter acceptanceFilter = (nabs(aod::track::eta) < selectionConfig.cfgCutEtaMax && nabs(aod::track::pt) > selectionConfig.cfgCutPT);
// Filter fDCAcutFilter = (nabs(aod::track::dcaXY) < selectionConfig.cfgCutDCAxyMax) && (nabs(aod::track::dcaZ) < selectionConfig.cfgCutDCAz) && (nabs(aod::track::dcaXY) > selectionConfig.cfgCutDCAxyMin);
Filter fDCAcutFilter = (nabs(aod::track::dcaXY) < selectionConfig.cfgCutDCAxyMax) && (nabs(aod::track::dcaZ) < selectionConfig.cfgCutDCAz);

using EventCandidates = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::FT0Mults, aod::MultZeqs, aod::CentFT0Ms, aod::CentFT0Cs, aod::CentFT0As, aod::CentFV0As, aod::PVMults>>; // aod::CentNGlobals, aod::CentNTPVs, aod::CentMFTs
using EventCandidatesMix = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::FT0Mults, aod::MultZeqs, aod::CentFT0Ms, aod::CentFT0Cs, aod::CentFT0As, aod::CentFV0As>>; // aod::CentNGlobals, aod::CentNTPVs, aod::CentMFTs
Expand Down Expand Up @@ -1126,6 +1134,17 @@ struct Kstarqa {
if (!selectionPID(t1, 1) || !selectionPID(t2, 0))
continue;

if (selectionConfig.isApplyParticleMID) {
if (selectionPID(t1, 0)) // Kaon misidentified as pion
continue;
if (selectionPID(t1, 2)) // Kaon misidentified as proton
continue;
if (selectionPID(t2, 1)) // Pion misidentified as kaon
continue;
if (selectionPID(t2, 2)) // Pion misidentified as proton
continue;
}

if (!t1.has_mcParticle() || !t2.has_mcParticle()) {
continue; // skip if no MC particle associated
}
Expand Down Expand Up @@ -1282,12 +1301,23 @@ struct Kstarqa {
continue;
rEventSelection.fill(HIST("tracksCheckData"), 3.5);

if (selectionConfig.isApplyParticleMID) {
if (selectionPID(track1, 0)) // Kaon misidentified as pion
continue;
if (selectionPID(track1, 2)) // Kaon misidentified as proton
continue;
if (selectionPID(track2, 1)) // Pion misidentified as kaon
continue;
if (selectionPID(track2, 2)) // Pion misidentified as proton
continue;
}

rEventSelection.fill(HIST("tracksCheckData"), 4.5);
if (std::abs(track1.rapidity(o2::track::PID::getMass(o2::track::PID::Kaon))) > selectionConfig.ctrackRapidity)
continue;

if (std::abs(track2.rapidity(o2::track::PID::getMass(o2::track::PID::Pion))) > selectionConfig.ctrackRapidity)
continue;
rEventSelection.fill(HIST("tracksCheckData"), 4.5);

// if (cFakeTrack && isFakeTrack(track1, 1)) // Kaon
// continue;
Expand Down Expand Up @@ -1731,22 +1761,14 @@ struct Kstarqa {
// if (!(track1PDG == PDG_t::kKPlus && track2PDG == PDG_t::kPiPlus)) {
// continue;
// }
if (selectionConfig.isPDGCheckMC && (track1PDG != PDG_t::kPiPlus) && (track1PDG != PDG_t::kKPlus)) {
if (selectionConfig.isPDGCheckMC && (track1PDG != PDG_t::kKPlus) && (track1PDG != PDG_t::kPiPlus)) {
continue;
}
if (selectionConfig.isPDGCheckMC && (track2PDG != PDG_t::kPiPlus) && (track2PDG != PDG_t::kKPlus)) {
if (selectionConfig.isPDGCheckMC && (track2PDG != PDG_t::kKPlus) && (track2PDG != PDG_t::kPiPlus)) {
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 6.5);

if (std::abs(track1.rapidity(o2::track::PID::getMass(o2::track::PID::Kaon))) > selectionConfig.ctrackRapidity)
continue;

if (std::abs(track2.rapidity(o2::track::PID::getMass(o2::track::PID::Pion))) > selectionConfig.ctrackRapidity)
continue;

rEventSelection.fill(HIST("recMCparticles"), 7.5);

for (const auto& mothertrack1 : mctrack1.mothers_as<aod::McParticles>()) {
for (const auto& mothertrack2 : mctrack2.mothers_as<aod::McParticles>()) {
if (selectionConfig.isPDGCheckMC && (mothertrack1.pdgCode() != mothertrack2.pdgCode())) {
Expand All @@ -1756,35 +1778,75 @@ struct Kstarqa {
if (mothertrack1.globalIndex() != mothertrack2.globalIndex()) {
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 8.5);
rEventSelection.fill(HIST("recMCparticles"), 7.5);

if (!mothertrack1.producedByGenerator()) {
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 9.5);
rEventSelection.fill(HIST("recMCparticles"), 8.5);

if (std::abs(mothertrack1.y()) >= selectionConfig.rapidityMotherData) {
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 10.5);
rEventSelection.fill(HIST("recMCparticles"), 9.5);

if (selectionConfig.isPDGCheckMC && (std::abs(mothertrack1.pdgCode()) != o2::constants::physics::kK0Star892)) {
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 11.5);
rEventSelection.fill(HIST("recMCparticles"), 10.5);

if (selectionConfig.isPDGCheckMC && (track1PDG == PDG_t::kPiPlus)) {
if (!applypTdepPID && !(selectionPID(track1, 0) && selectionPID(track2, 1))) { // pion and kaon
continue;
} else if (applypTdepPID && !(selectionPIDNew(track1, 0) && selectionPIDNew(track2, 1))) { // pion and kaon
continue;
}
} else if (selectionConfig.isPDGCheckMC) {
rEventSelection.fill(HIST("recMCparticles"), 11.5);
if (selectionConfig.isApplyParticleMID) {
if (selectionPID(track2, 0)) // Kaon misidentified as pion
continue;
if (selectionPID(track2, 2)) // Kaon misidentified as proton
continue;
if (selectionPID(track1, 1)) // Pion misidentified as kaon
continue;
if (selectionPID(track1, 2)) // Pion misidentified as proton
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 12.5);

if (std::abs(track1.rapidity(o2::track::PID::getMass(o2::track::PID::Pion))) > selectionConfig.ctrackRapidity)
continue;

if (std::abs(track2.rapidity(o2::track::PID::getMass(o2::track::PID::Kaon))) > selectionConfig.ctrackRapidity)
continue;
rEventSelection.fill(HIST("recMCparticles"), 13.5);

} else if (selectionConfig.isPDGCheckMC && (track1PDG == PDG_t::kKPlus)) {
if (!applypTdepPID && !(selectionPID(track1, 1) && selectionPID(track2, 0))) { // kaon and pion
continue;
} else if (applypTdepPID && !(selectionPIDNew(track1, 1) && selectionPIDNew(track2, 0))) { // kaon and pion
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 11.5);

if (selectionConfig.isApplyParticleMID) {
if (selectionPID(track1, 0)) // Kaon misidentified as pion
continue;
if (selectionPID(track1, 2)) // Kaon misidentified as proton
continue;
if (selectionPID(track2, 1)) // Pion misidentified as kaon
continue;
if (selectionPID(track2, 2)) // Pion misidentified as proton
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 12.5);

if (std::abs(track1.rapidity(o2::track::PID::getMass(o2::track::PID::Kaon))) > selectionConfig.ctrackRapidity)
continue;

if (std::abs(track2.rapidity(o2::track::PID::getMass(o2::track::PID::Pion))) > selectionConfig.ctrackRapidity)
continue;
rEventSelection.fill(HIST("recMCparticles"), 13.5);
}

if (selectionConfig.isApplyCutsOnMother) {
Expand All @@ -1798,7 +1860,7 @@ struct Kstarqa {
hInvMass.fill(HIST("h1KSRecsplit"), mothertrack1.pt());
continue;
}
rEventSelection.fill(HIST("recMCparticles"), 12.5);
rEventSelection.fill(HIST("recMCparticles"), 14.5);

oldindex = mothertrack1.globalIndex();
if (track1.sign() * track2.sign() < 0) {
Expand Down
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