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[PWGLF] cascades in pp: RCT selection on gen. lvl #16461

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fa2bb15
cascades in pp upd
nepeivodaRS May 11, 2026
73f1d5b
o2linter fix
nepeivodaRS May 11, 2026
7689f52
Enum for eventType bins
nepeivodaRS May 12, 2026
69be7a3
border cut for gen. events and pdg codes
nepeivodaRS May 19, 2026
3156be8
Merge branch 'master' into 11may
nepeivodaRS May 19, 2026
e543c8d
RCT sel for gen.
nepeivodaRS May 29, 2026
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2 changes: 1 addition & 1 deletion PWGLF/DataModel/cascqaanalysis.h
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Expand Up @@ -87,7 +87,7 @@ DECLARE_SOA_COLUMN(BachHasTOF, bachhastof, int);
DECLARE_SOA_COLUMN(PosPt, pospt, float);
DECLARE_SOA_COLUMN(NegPt, negpt, float);
DECLARE_SOA_COLUMN(BachPt, bachpt, float);
DECLARE_SOA_COLUMN(McPdgCode, mcPdgCode, int); //! -1 unknown
DECLARE_SOA_COLUMN(McPdgCode, mcPdgCode, int); //! 0 unknown/no MC association
DECLARE_SOA_COLUMN(IsPrimary, isPrimary, int); //! -1 unknown, 0 not primary, 1 primary
DECLARE_SOA_COLUMN(BachBaryonCosPA, bachBaryonCosPA, float); //! avoid bach-baryon correlated inv mass structure in analysis
DECLARE_SOA_COLUMN(BachBaryonDCAxyToPV, bachBaryonDCAxyToPV, float); //! avoid bach-baryon correlated inv mass structure in analysis
Expand Down
58 changes: 46 additions & 12 deletions PWGLF/TableProducer/Strangeness/cascqaanalysis.cxx
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Expand Up @@ -68,6 +68,7 @@ using namespace o2::aod::rctsel;
using TrkPidInfo = soa::Join<aod::pidTPCFullPi, aod::pidTPCFullPr, aod::pidTPCFullKa, aod::pidTOFPi, aod::pidTOFPr, aod::pidTOFKa>;
using DauTracks = soa::Join<aod::TracksIU, aod::TrackSelection, aod::TracksExtra, aod::TracksDCA, TrkPidInfo>;
using LabeledCascades = soa::Join<aod::CascDataExt, aod::McCascLabels>;
using BCsWithBcSels = soa::Join<aod::BCsWithTimestamps, aod::BcSels>;

struct Cascqaanalysis {

Expand Down Expand Up @@ -119,6 +120,8 @@ struct Cascqaanalysis {
Configurable<bool> isTriggerTVX{"isTriggerTVX", 1, "TVX trigger"};
Configurable<bool> isNoTimeFrameBorder{"isNoTimeFrameBorder", 1, "TF border cut"};
Configurable<bool> isNoITSROFrameBorder{"isNoITSROFrameBorder", 1, "ITS ROF border cut"};
Configurable<bool> applyBcBorderCutsOnGen{"applyBcBorderCutsOnGen", false, "Apply enabled BC-level TF and ITS ROF border cuts on generated-level MC collisions"};
Configurable<bool> applyRCTOnGen{"applyRCTOnGen", false, "Apply enabled BC-level RCT run-condition selection on generated-level MC collisions"};
Configurable<bool> isNoCollInTimeRangeNarrow{"isNoCollInTimeRangeNarrow", 1, "No collisions in +-2us window"};

Configurable<bool> requireRCTFlagChecker{"requireRCTFlagChecker", true, "Check event quality in run condition table"};
Expand Down Expand Up @@ -221,7 +224,7 @@ struct Cascqaanalysis {
void init(InitContext const&)
{
TString hCandidateCounterLabels[4] = {"All candidates", "passed topo cuts", "has associated MC particle", "associated with Xi(Omega)"};
TString hNEventsMCLabels[6] = {"All", "z vrtx", "INEL", "INEL>0", "INEL>1", "Associated with rec. collision"};
TString hNEventsMCLabels[8] = {"All", "z vrtx", "BC TF/ITS ROF border", "RCTFlagsChecker", "INEL", "INEL>0", "INEL>1", "Associated with rec. collision"};
TString hNEventsLabels[14] = {"All", "kIsTriggerTVX", "kNoTimeFrameBorder", "kNoITSROFrameBorder", "kIsVertexITSTPC", "kNoSameBunchPileup", "kIsGoodZvtxFT0vsPV", "isVertexTOFmatched", "kNoCollInTimeRangeNarrow", "z vrtx", "RCTFlagsChecker", "INEL", "INEL>0", "INEL>1"};

registry.add("hNEvents", "hNEvents", {HistType::kTH1D, {{14, 0.f, 14.f}}});
Expand All @@ -239,7 +242,7 @@ struct Cascqaanalysis {
// Rec. lvl
registry.add("fakeEvents", "fakeEvents", {HistType::kTH1F, {{1, -0.5f, 0.5f}}});
// Gen. lvl
registry.add("hNEventsMC", "hNEventsMC", {HistType::kTH1D, {{6, 0.0f, 6.0f}}});
registry.add("hNEventsMC", "hNEventsMC", {HistType::kTH1D, {{8, 0.0f, 8.0f}}});
for (int n = 1; n <= registry.get<TH1>(HIST("hNEventsMC"))->GetNbinsX(); n++) {
registry.get<TH1>(HIST("hNEventsMC"))->GetXaxis()->SetBinLabel(n, hNEventsMCLabels[n - 1]);
}
Expand Down Expand Up @@ -293,7 +296,7 @@ struct Cascqaanalysis {
setEventTypeAxisLabels(registry.get<TH3>(HIST("hFT0MsignalPVContr"))->GetZaxis());
}

rctChecker.init(cfgEvtRCTFlagCheckerLabel, cfgEvtRCTFlagCheckerZDCCheck, cfgEvtRCTFlagCheckerLimitAcceptAsBad);
rctChecker.init(cfgEvtRCTFlagCheckerLabel, cfgEvtRCTFlagCheckerZDCCheck, cfgEvtRCTFlagCheckerLimitAcceptAsBad, requireRCTFlagChecker || applyRCTOnGen);
if (cfgEvtRCTFlagCheckerFV0Check) {
rctChecker.set(o2::aod::rctsel::kFV0Bad);
}
Expand Down Expand Up @@ -481,6 +484,27 @@ struct Cascqaanalysis {
return true;
}

template <typename TBC>
bool acceptGeneratedEventBcBorderCuts(TBC const& bc)
{
if (!applyBcBorderCutsOnGen) {
return true;
}
if (isNoTimeFrameBorder && !bc.selection_bit(aod::evsel::kNoTimeFrameBorder)) {
return false;
}
if (isNoITSROFrameBorder && !bc.selection_bit(aod::evsel::kNoITSROFrameBorder)) {
return false;
}
return true;
}

template <typename TBC>
bool acceptGeneratedEventRCT(TBC const& bc)
{
return !applyRCTOnGen || rctChecker(bc);
}

void processData(soa::Join<aod::Collisions, aod::EvSels,
aod::PVMults, aod::FT0Mults, aod::FV0Mults,
aod::CentFT0Ms, aod::CentFV0As>::iterator const& collision,
Expand Down Expand Up @@ -546,7 +570,7 @@ struct Cascqaanalysis {
posdau.tpcNClsFound(), negdau.tpcNClsFound(), bachelor.tpcNClsFound(),
posdau.tpcNClsCrossedRows(), negdau.tpcNClsCrossedRows(), bachelor.tpcNClsCrossedRows(),
posdau.hasTOF(), negdau.hasTOF(), bachelor.hasTOF(),
posdau.pt(), negdau.pt(), bachelor.pt(), -1, -1, casc.bachBaryonCosPA(), casc.bachBaryonDCAxyToPV(), evFlag, 1e3, 1e3);
posdau.pt(), negdau.pt(), bachelor.pt(), 0, -1, casc.bachBaryonCosPA(), casc.bachBaryonDCAxyToPV(), evFlag, 1e3, 1e3);
}
}
}
Expand Down Expand Up @@ -627,16 +651,16 @@ struct Cascqaanalysis {
registry.fill(HIST("hCandidateCounter"), 1.5); // passed topo cuts
nCandSel++;
// Check mc association
float lPDG = 1e3;
int mcPdgCode = 0;
float genPt = 1e3;
float genY = 1e3;
float isPrimary = -1;
if (casc.has_mcParticle()) {
registry.fill(HIST("hCandidateCounter"), 2.5); // has associated MC particle
auto cascmc = casc.mcParticle();
mcPdgCode = cascmc.pdgCode();
if (std::abs(cascmc.pdgCode()) == PDG_t::kXiMinus || std::abs(cascmc.pdgCode()) == PDG_t::kOmegaMinus) {
registry.fill(HIST("hCandidateCounter"), 3.5); // associated with Xi or Omega
lPDG = cascmc.pdgCode();
isPrimary = cascmc.isPhysicalPrimary() ? 1 : 0;
genPt = cascmc.pt();
genY = cascmc.y();
Expand Down Expand Up @@ -667,7 +691,7 @@ struct Cascqaanalysis {
posdau.tpcNClsFound(), negdau.tpcNClsFound(), bachelor.tpcNClsFound(),
posdau.tpcNClsCrossedRows(), negdau.tpcNClsCrossedRows(), bachelor.tpcNClsCrossedRows(),
posdau.hasTOF(), negdau.hasTOF(), bachelor.hasTOF(),
posdau.pt(), negdau.pt(), bachelor.pt(), lPDG, isPrimary, casc.bachBaryonCosPA(), casc.bachBaryonDCAxyToPV(), evFlag, genPt, genY);
posdau.pt(), negdau.pt(), bachelor.pt(), mcPdgCode, isPrimary, casc.bachBaryonCosPA(), casc.bachBaryonDCAxyToPV(), evFlag, genPt, genY);
}
}
}
Expand All @@ -681,6 +705,7 @@ struct Cascqaanalysis {
void processMCgen(soa::Join<aod::McCollisions, aod::McCentFT0Ms>::iterator const& mcCollision, // mcCollision.centFV0A() to be added
aod::McParticles const& mcParticles,
const soa::SmallGroups<o2::soa::Join<o2::aod::Collisions, o2::aod::McCollisionLabels, o2::aod::EvSels, aod::PVMults, aod::FT0Mults, aod::CentFT0Ms, aod::CentFV0As>>& collisions,
BCsWithBcSels const&,
DauTracks const&)
{
// All generated collisions
Expand All @@ -690,25 +715,34 @@ struct Cascqaanalysis {
if (std::fabs(mcCollision.posZ()) > cutzvertex) {
return;
}
registry.fill(HIST("hZCollisionGen"), mcCollision.posZ());
registry.fill(HIST("hNEventsMC"), 1.5);
const auto bc = mcCollision.bc_as<BCsWithBcSels>();
if (!acceptGeneratedEventBcBorderCuts(bc)) {
return;
}
registry.fill(HIST("hNEventsMC"), 2.5);
if (!acceptGeneratedEventRCT(bc)) {
return;
}
registry.fill(HIST("hZCollisionGen"), mcCollision.posZ());
registry.fill(HIST("hNEventsMC"), 3.5);

// Define the type of generated MC collision
EventTypeBin evType = kINEL;
uint8_t flagsGen = 0;
flagsGen |= o2::aod::myMCcascades::EvFlags::EvINEL;
registry.fill(HIST("hNEventsMC"), 2.5);
registry.fill(HIST("hNEventsMC"), 4.5);
// Generated collision is INEL>0
if (pwglf::isINELgtNmc(mcParticles, 0, pdgDB)) {
flagsGen |= o2::aod::myMCcascades::EvFlags::EvINELgt0;
evType = kINELgt0;
registry.fill(HIST("hNEventsMC"), 3.5);
registry.fill(HIST("hNEventsMC"), 5.5);
}
// Generated collision is INEL>1
if (pwglf::isINELgtNmc(mcParticles, 1, pdgDB)) {
flagsGen |= o2::aod::myMCcascades::EvFlags::EvINELgt1;
evType = kINELgt1;
registry.fill(HIST("hNEventsMC"), 4.5);
registry.fill(HIST("hNEventsMC"), 6.5);
}

registry.fill(HIST("hCentFT0M_genMC"), mcCollision.centFT0M(), evType);
Expand Down Expand Up @@ -783,7 +817,7 @@ struct Cascqaanalysis {
uint8_t flagsAssoc = 0;
if (evtReconstructedAndINEL) {
flagsAssoc |= o2::aod::myMCcascades::EvFlags::EvINEL;
registry.fill(HIST("hNEventsMC"), 5.5);
registry.fill(HIST("hNEventsMC"), 7.5);
}
if (evtReconstructedAndINELgt0) {
flagsAssoc |= o2::aod::myMCcascades::EvFlags::EvINELgt0;
Expand Down
13 changes: 13 additions & 0 deletions PWGLF/Tasks/Strangeness/cascpostprocessing.cxx
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Expand Up @@ -106,6 +106,7 @@ struct LfCascpostprocessing {
AxisSpec ptAxisTopoVar = {50, 0.0f, 10.0f, "#it{p}_{T} (GeV/#it{c})"};
AxisSpec ptAxisPID = {50, 0.0f, 10.0f, "#it{p}_{T} (GeV/#it{c})"};
ConfigurableAxis etaAxis{"etaAxis", {40, -2.0f, 2.0f}, "#eta"};
AxisSpec pdgCodeAxis = {10001, -5000.5f, 5000.5f, "MC PDG code (0 = no MC assoc.)"};

ConfigurableAxis centFT0MAxis{"centFT0MAxis",
{VARIABLE_WIDTH, 0., 0.01, 0.05, 0.1, 0.5, 1, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 101, 105.5},
Expand Down Expand Up @@ -238,6 +239,9 @@ struct LfCascpostprocessing {
registry.add("hCascPlusMassvsPtBG", "hCascPlusMassvsPtBG", {HistType::kTH2F, {ptAxis, massAxis}});
registry.add("hCascMinusMassvsPtBG_FT0M", "hCascMinusMassvsPtBG_FT0M", {HistType::kTH3F, {ptAxis, massAxis, centFT0MAxis}});
registry.add("hCascPlusMassvsPtBG_FT0M", "hCascPlusMassvsPtBG_FT0M", {HistType::kTH3F, {ptAxis, massAxis, centFT0MAxis}});
registry.add("hMisidentifiedCascPdgCode", "hMisidentifiedCascPdgCode", {HistType::kTH1F, {pdgCodeAxis}});
registry.add("hMisidentifiedCascMinusPdgCode", "hMisidentifiedCascMinusPdgCode", {HistType::kTH1F, {pdgCodeAxis}});
registry.add("hMisidentifiedCascPlusPdgCode", "hMisidentifiedCascPlusPdgCode", {HistType::kTH1F, {pdgCodeAxis}});
registry.add("hPtXiPlusTrue", "hPtXiPlusTrue", {HistType::kTH3F, {ptAxis, rapidityAxis, centFT0MAxis}});
registry.add("hPtXiMinusTrue", "hPtXiMinusTrue", {HistType::kTH3F, {ptAxis, rapidityAxis, centFT0MAxis}});
registry.add("hPtOmegaPlusTrue", "hPtOmegaPlusTrue", {HistType::kTH3F, {ptAxis, rapidityAxis, centFT0MAxis}});
Expand Down Expand Up @@ -514,6 +518,15 @@ struct LfCascpostprocessing {
// registry.fill(HIST("hNegITSHits"), candidate.negitshits());
// registry.fill(HIST("hBachITSHits"), candidate.bachitshits());

if (isMC && !isCorrectlyRec) {
registry.fill(HIST("hMisidentifiedCascPdgCode"), candidate.mcPdgCode());
if (candidate.sign() < 0) {
registry.fill(HIST("hMisidentifiedCascMinusPdgCode"), candidate.mcPdgCode());
} else if (candidate.sign() > 0) {
registry.fill(HIST("hMisidentifiedCascPlusPdgCode"), candidate.mcPdgCode());
}
}

if (candidate.sign() < 0) {
if (isMC) {
if (isCorrectlyRec) {
Expand Down
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