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[PWGLF] change in hStrangeCorrelation.cxx #11869

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romainschotter merged 1 commit into from
Jul 2, 2025
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[PWGLF] change in hStrangeCorrelation.cxx #11869

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12 changes: 10 additions & 2 deletions PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -216,6 +216,7 @@
TH2F* hEfficiencyOmegaMinus;
TH2F* hEfficiencyOmegaPlus;
TH2F* hEfficiencyHadron;
TH1F* hPurityHadron;

using BinningType = ColumnBinningPolicy<aod::collision::PosZ, aod::cent::CentFT0M>;
using BinningTypePbPb = ColumnBinningPolicy<aod::collision::PosZ, aod::cent::CentFT0C>;
Expand All @@ -241,8 +242,8 @@

std::vector<std::vector<float>> axisRanges;

const float ctauxiPDG = 4.91; // from PDG

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
const float ctauomegaPDG = 2.461; // from PDG

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.

/// Function to aid in calculating delta-phi
/// \param phi1 first phi value
Expand Down Expand Up @@ -295,6 +296,7 @@
hEfficiencyOmegaPlus = static_cast<TH2F*>(listEfficiencies->FindObject("hEfficiencyOmegaPlus"));
hEfficiencyHadron = static_cast<TH2F*>(listEfficiencies->FindObject("hEfficiencyHadron"));
hEfficiencyPion = static_cast<TH2F*>(listEfficiencies->FindObject("hEfficiencyPion"));
hPurityHadron = static_cast<TH1F*>(listEfficiencies->FindObject("hPurityHadron"));
LOG(info) << "Efficiencies now loaded for " << mRunNumber;
}

Expand Down Expand Up @@ -489,9 +491,9 @@
return false;
// dcacascdaughters
float ptDepCut = systCuts.dcaCacsDauPar0;
if (casc.pt() > 1 && casc.pt() < 4)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
ptDepCut = systCuts.dcaCacsDauPar1;
else if (casc.pt() > 4)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
ptDepCut = systCuts.dcaCacsDauPar2;
if (casc.dcacascdaughters() > ptDepCut)
return false;
Expand Down Expand Up @@ -524,7 +526,7 @@
double phaseProton = (-0.3 * B * assoc[2]) / (2 * assoc[1]);
double phaseTrack = (-0.3 * B * trigg[2]) / (2 * trigg[1]);

for (double r = 0.8; r <= 2.5; r += 0.05) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
dPhiStar = dPhi + std::asin(phaseProton * r) - std::asin(phaseTrack * r);
dPhiStarMean += (dPhiStar / 34);
}
Expand Down Expand Up @@ -648,7 +650,7 @@
if (doDeltaPhiStarCheck) {
double deltaPhiStar = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStar, bField);
double deltaPhiStarPion = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStarPion, bField);
if ((Index == 0 && triggSign > 0) || (Index == 1 && triggSign > 0) || (Index == 2 && triggSign < 0)) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("sameEvent/LeftBg/") + HIST(kV0names[Index]) + HIST("DeltaPhiStar"), deltaPhiStar, trigg.eta() - etaProton, 0.5);
if (Index == 0) {
histos.fill(HIST("sameEvent/LeftBg/") + HIST(kV0names[Index]) + HIST("DeltaPhiStar"), deltaPhiStarPion, trigg.eta() - etaPion, -0.5);
Expand All @@ -663,18 +665,18 @@
}
if (assocCandidate.compatible(Index, systCuts.dEdxCompatibility) && (!doMCassociation || assocCandidate.mcTrue(Index)) && (!doAssocPhysicalPrimary || assocCandidate.mcPhysicalPrimary()) && !mixing && -massWindowConfigurations.maxPeakNSigma < assocCandidate.invMassNSigma(Index) && assocCandidate.invMassNSigma(Index) < +massWindowConfigurations.maxPeakNSigma) {
histos.fill(HIST("sameEvent/Signal/") + HIST(kV0names[Index]), deltaphi, deltaeta, ptassoc, pttrigger, pvz, mult, weight);
if (std::abs(deltaphi) < 0.8 && doITSClustersQA) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("hITSClusters") + HIST(kV0names[Index]) + HIST("NegativeDaughterToward"), ptassoc, negtrack.itsNCls(), assoc.v0radius());
histos.fill(HIST("hITSClusters") + HIST(kV0names[Index]) + HIST("PositiveDaughterToward"), ptassoc, postrack.itsNCls(), assoc.v0radius());
}
if (std::abs(deltaphi) > 1 && std::abs(deltaphi) < 2 && doITSClustersQA) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("hITSClusters") + HIST(kV0names[Index]) + HIST("NegativeDaughterTransverse"), ptassoc, negtrack.itsNCls(), assoc.v0radius());
histos.fill(HIST("hITSClusters") + HIST(kV0names[Index]) + HIST("PositiveDaughterTransverse"), ptassoc, postrack.itsNCls(), assoc.v0radius());
}
if (doDeltaPhiStarCheck) {
double deltaPhiStar = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStar, bField);
double deltaPhiStarPion = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStarPion, bField);
if ((Index == 0 && triggSign > 0) || (Index == 1 && triggSign > 0) || (Index == 2 && triggSign < 0)) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("sameEvent/Signal/") + HIST(kV0names[Index]) + HIST("DeltaPhiStar"), deltaPhiStar, trigg.eta() - etaProton, 0.5);
if (Index == 0) {
histos.fill(HIST("sameEvent/Signal/") + HIST(kV0names[Index]) + HIST("DeltaPhiStar"), deltaPhiStarPion, trigg.eta() - etaPion, -0.5);
Expand All @@ -692,7 +694,7 @@
if (doDeltaPhiStarCheck) {
double deltaPhiStar = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStar, bField);
double deltaPhiStarPion = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStarPion, bField);
if ((Index == 0 && triggSign > 0) || (Index == 1 && triggSign > 0) || (Index == 2 && triggSign < 0)) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("sameEvent/RightBg/") + HIST(kV0names[Index]) + HIST("DeltaPhiStar"), deltaPhiStar, trigg.eta() - etaProton, 0.5);
if (Index == 0) {
histos.fill(HIST("sameEvent/RightBg/") + HIST(kV0names[Index]) + HIST("DeltaPhiStar"), deltaPhiStarPion, trigg.eta() - etaPion, -0.5);
Expand Down Expand Up @@ -941,20 +943,23 @@
continue;

float efficiency = 1;
float purity = 1.0f;
if (applyEfficiencyCorrection) {
if constexpr (requires { assocTrack.nSigmaTPCPi(); }) {
efficiency = hEfficiencyPion->Interpolate(ptassoc, assoc.eta());
} else {
efficiency = hEfficiencyHadron->Interpolate(ptassoc, assoc.eta());
purity = hPurityHadron->Interpolate(ptassoc);
}
}
if (applyEfficiencyForTrigger) {
efficiency = efficiency * hEfficiencyTrigger->Interpolate(pttrigger, trigg.eta());
purity = purity * hPurityHadron->Interpolate(pttrigger);
}
if (efficiency == 0) { // check for zero efficiency, do not apply if the case
efficiency = 1;
}
float weight = (applyEfficiencyCorrection || applyEfficiencyForTrigger) ? 1. / efficiency : 1.0f;
float weight = (applyEfficiencyCorrection || applyEfficiencyForTrigger) ? purity / efficiency : 1.0f;
double deltaPhiStar = calculateAverageDeltaPhiStar(triggForDeltaPhiStar, assocForDeltaPhiStar, bField);
if (!mixing) {
if constexpr (requires { assocTrack.nSigmaTPCPi(); }) {
Expand Down Expand Up @@ -998,6 +1003,7 @@
hEfficiencyOmegaPlus = 0x0;

hEfficiencyHadron = 0x0;
hPurityHadron = 0x0;

// set bitmap for convenience
doCorrelation = 0;
Expand Down Expand Up @@ -1547,13 +1553,15 @@
if (!isValidAssocHadron(assoc))
continue;
float efficiency = 1.0f;
float purity = 1.0f;
if (applyEfficiencyCorrection) {
efficiency = hEfficiencyHadron->Interpolate(assoc.pt(), assoc.eta());
purity = hPurityHadron->Interpolate(assoc.pt());
}
if (efficiency == 0) { // check for zero efficiency, do not apply if the case
efficiency = 1;
}
float weight = applyEfficiencyCorrection ? 1. / efficiency : 1.0f;
float weight = applyEfficiencyCorrection ? purity / efficiency : 1.0f;
histos.fill(HIST("hAssocHadronsAllSelectedEtaVsPt"), assoc.pt(), assoc.eta(), collision.centFT0M());
histos.fill(HIST("hAssocPtResolution"), assoc.pt(), assocTrack.mcOriginalPt());
if (doAssocPhysicalPrimary && !assocTrack.mcPhysicalPrimary())
Expand Down
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