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[PWGCF] Rectification in PID track selection #12633

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Merged
victor-gonzalez merged 3 commits into from
Aug 19, 2025
Merged

[PWGCF] Rectification in PID track selection #12633

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ce79846
Rectification in PID track selection
Aug 19, 2025
45f6e31
Please consider the following formatting changes
alibuild Aug 19, 2025
f055a5b
Merge pull request #25 from alibuild/alibot-cleanup-12633
Preet-Bhanjan Aug 19, 2025
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57 changes: 29 additions & 28 deletions PWGCF/TwoParticleCorrelations/Tasks/pidDiHadron.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -193,19 +193,19 @@ struct PidDiHadron {

// Event Counter
if (doprocessSame && cfgUseAdditionalEventCut) {
registry.add("hEventCountSpecific", "Number of Event;; Count", {HistType::kTH1D, {{12, 0, 12}}});
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(1, "after sel8");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(2, "kNoSameBunchPileup");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(3, "kNoITSROFrameBorder");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(4, "kNoTimeFrameBorder");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(5, "kIsGoodZvtxFT0vsPV");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(6, "kNoCollInTimeRangeStandard");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(7, "kIsGoodITSLayersAll");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(8, "kNoCollInRofStandard");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(9, "kNoHighMultCollInPrevRof");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(10, "occupancy");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(11, "MultCorrelation");
registry.get<TH1>(HIST("hEventCountSpecific"))->GetXaxis()->SetBinLabel(12, "cfgEvSelV0AT0ACut");
registry.add("hEventCount", "Number of Event;; Count", {HistType::kTH1D, {{12, 0, 12}}});
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(1, "after sel8");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(2, "kNoSameBunchPileup");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(3, "kNoITSROFrameBorder");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(4, "kNoTimeFrameBorder");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(5, "kIsGoodZvtxFT0vsPV");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(6, "kNoCollInTimeRangeStandard");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(7, "kIsGoodITSLayersAll");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(8, "kNoCollInRofStandard");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(9, "kNoHighMultCollInPrevRof");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(10, "occupancy");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(11, "MultCorrelation");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(12, "cfgEvSelV0AT0ACut");
}

if (cfgUseAdditionalEventCut) {
Expand Down Expand Up @@ -311,9 +311,6 @@ struct PidDiHadron {
template <typename TTrack>
bool trackSelected(TTrack track)
{
if (cfgPIDParticle && getNsigmaPID(track) != cfgPIDParticle) {
return false;
}
return ((track.tpcNClsFound() >= cfgCutTPCclu) && (track.tpcNClsCrossedRows() >= cfgCutTPCCrossedRows) && (track.itsNCls() >= cfgCutITSclu));
}

Expand Down Expand Up @@ -363,6 +360,8 @@ struct PidDiHadron {
for (auto const& track1 : tracks) {
if (!trackSelected(track1))
continue;
if (cfgPIDParticle && getNsigmaPID(track1) != cfgPIDParticle)
continue; // if PID is selected, check if the track has the right PID
if (!getEfficiencyCorrection(weff1, track1.eta(), track1.pt(), vtxz))
continue;
registry.fill(HIST("Phi"), RecoDecay::constrainAngle(track1.phi(), 0.0));
Expand Down Expand Up @@ -426,6 +425,8 @@ struct PidDiHadron {

if (!trackSelected(track1))
continue;
if (cfgPIDParticle && getNsigmaPID(track1) != cfgPIDParticle)
continue; // if PID is selected, check if the track has the right PID
if (!getEfficiencyCorrection(triggerWeight, track1.eta(), track1.pt(), posZ))
continue;
if (system == SameEvent) {
Expand Down Expand Up @@ -489,61 +490,61 @@ struct PidDiHadron {
template <typename TCollision>
bool eventSelected(TCollision collision, const int multTrk, const float centrality, const bool fillCounter)
{
registry.fill(HIST("hEventCountSpecific"), 0.5);
registry.fill(HIST("hEventCount"), 0.5);
if (cfgEvSelkNoSameBunchPileup && !collision.selection_bit(o2::aod::evsel::kNoSameBunchPileup)) {
// rejects collisions which are associated with the same "found-by-T0" bunch crossing
// https://indico.cern.ch/event/1396220/#1-event-selection-with-its-rof
return 0;
}
if (fillCounter && cfgEvSelkNoSameBunchPileup)
registry.fill(HIST("hEventCountSpecific"), 1.5);
registry.fill(HIST("hEventCount"), 1.5);
if (cfgEvSelkNoITSROFrameBorder && !collision.selection_bit(o2::aod::evsel::kNoITSROFrameBorder)) {
return 0;
}
if (fillCounter && cfgEvSelkNoITSROFrameBorder)
registry.fill(HIST("hEventCountSpecific"), 2.5);
registry.fill(HIST("hEventCount"), 2.5);
if (cfgEvSelkNoTimeFrameBorder && !collision.selection_bit(o2::aod::evsel::kNoTimeFrameBorder)) {
return 0;
}
if (fillCounter && cfgEvSelkNoTimeFrameBorder)
registry.fill(HIST("hEventCountSpecific"), 3.5);
registry.fill(HIST("hEventCount"), 3.5);
if (cfgEvSelkIsGoodZvtxFT0vsPV && !collision.selection_bit(o2::aod::evsel::kIsGoodZvtxFT0vsPV)) {
// removes collisions with large differences between z of PV by tracks and z of PV from FT0 A-C time difference
// use this cut at low multiplicities with caution
return 0;
}
if (fillCounter && cfgEvSelkIsGoodZvtxFT0vsPV)
registry.fill(HIST("hEventCountSpecific"), 4.5);
registry.fill(HIST("hEventCount"), 4.5);
if (cfgEvSelkNoCollInTimeRangeStandard && !collision.selection_bit(o2::aod::evsel::kNoCollInTimeRangeStandard)) {
// no collisions in specified time range
return 0;
}
if (fillCounter && cfgEvSelkNoCollInTimeRangeStandard)
registry.fill(HIST("hEventCountSpecific"), 5.5);
registry.fill(HIST("hEventCount"), 5.5);
if (cfgEvSelkIsGoodITSLayersAll && !collision.selection_bit(o2::aod::evsel::kIsGoodITSLayersAll)) {
// from Jan 9 2025 AOT meeting
// cut time intervals with dead ITS staves
return 0;
}
if (fillCounter && cfgEvSelkIsGoodITSLayersAll)
registry.fill(HIST("hEventCountSpecific"), 6.5);
registry.fill(HIST("hEventCount"), 6.5);
if (cfgEvSelkNoCollInRofStandard && !collision.selection_bit(o2::aod::evsel::kNoCollInRofStandard)) {
// no other collisions in this Readout Frame with per-collision multiplicity above threshold
return 0;
}
if (fillCounter && cfgEvSelkNoCollInRofStandard)
registry.fill(HIST("hEventCountSpecific"), 7.5);
registry.fill(HIST("hEventCount"), 7.5);
if (cfgEvSelkNoHighMultCollInPrevRof && !collision.selection_bit(o2::aod::evsel::kNoHighMultCollInPrevRof)) {
// veto an event if FT0C amplitude in previous ITS ROF is above threshold
return 0;
}
if (fillCounter && cfgEvSelkNoHighMultCollInPrevRof)
registry.fill(HIST("hEventCountSpecific"), 8.5);
registry.fill(HIST("hEventCount"), 8.5);
auto occupancy = collision.trackOccupancyInTimeRange();
if (cfgEvSelOccupancy && (occupancy < cfgCutOccupancyLow || occupancy > cfgCutOccupancyHigh))
return 0;
if (fillCounter && cfgEvSelOccupancy)
registry.fill(HIST("hEventCountSpecific"), 9.5);
registry.fill(HIST("hEventCount"), 9.5);

auto multNTracksPV = collision.multNTracksPV();
if (cfgEvSelMultCorrelation) {
Expand All @@ -557,14 +558,14 @@ struct PidDiHadron {
return 0;
}
if (fillCounter && cfgEvSelMultCorrelation)
registry.fill(HIST("hEventCountSpecific"), 10.5);
registry.fill(HIST("hEventCount"), 10.5);

// V0A T0A 5 sigma cut
float sigma = 5.0;
if (cfgEvSelV0AT0ACut && (std::fabs(collision.multFV0A() - fT0AV0AMean->Eval(collision.multFT0A())) > sigma * fT0AV0ASigma->Eval(collision.multFT0A())))
return 0;
if (fillCounter && cfgEvSelV0AT0ACut)
registry.fill(HIST("hEventCountSpecific"), 11.5);
registry.fill(HIST("hEventCount"), 11.5);

return 1;
}
Expand Down
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