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[PWGCF] FU: PID selection and corr. bkgs update #15619

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Merged
prchakra merged 1 commit into from
Apr 1, 2026
+123 −55
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[PWGCF] FU: PID selection and corr. bkgs update #15619

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37 changes: 19 additions & 18 deletions PWGCF/FemtoUniverse/Core/FemtoUniverseParticleHisto.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@
#include <optional>
#include <string>

using namespace o2::framework; // o2-linter: disable=using-directive

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[using-directive] 

Do not put using directives at global scope in headers.

namespace o2::analysis::femto_universe // o2-linter: disable=name/namespace
{
Expand Down Expand Up @@ -70,7 +70,7 @@

// comment
template <o2::aod::femtouniverse_mc_particle::MCType mc, typename T>
void init_debug(std::string folderName, T& tempFitVarpTAxis) // o2-linter: disable=name/function-variable
void init_debug(std::string folderName, T& tempFitVarMomAxis) // o2-linter: disable=name/function-variable
{
std::string folderSuffix = static_cast<std::string>(o2::aod::femtouniverse_mc_particle::MCTypeName[mc]).c_str();
if constexpr (mParticleType == o2::aod::femtouniverseparticle::ParticleType::kTrack || mParticleType == o2::aod::femtouniverseparticle::ParticleType::kV0Child || mParticleType == o2::aod::femtouniverseparticle::ParticleType::kCascadeBachelor || mParticleType == o2::aod::femtouniverseparticle::ParticleType::kMCTruthTrack) {
Expand All @@ -86,22 +86,22 @@
mHistogramRegistry->add((folderName + folderSuffix + "/hITSclustersIB").c_str(), "; ITS clusters in IB; Entries", kTH1F, {{10, -0.5, 9.5}});
mHistogramRegistry->add((folderName + folderSuffix + "/hDCAz").c_str(), "; #it{p}_{T} (GeV/#it{c}); DCA_{z} (cm)", kTH2F, {{100, 0, 10}, {500, -5, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/hDCA").c_str(), "; #it{p}_{T} (GeV/#it{c}); DCA (cm)", kTH2F, {{100, 0, 10}, {301, 0., 1.5}});
mHistogramRegistry->add((folderName + folderSuffix + "/hTPCdEdX").c_str(), "; #it{p} (GeV/#it{c}); TPC Signal", kTH2F, {{tempFitVarpTAxis}, {1000, 0, 1000}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_el").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{e}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_pi").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{#pi}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_K").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{K}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_p").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{p}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_d").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{d}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_el").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{e}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_pi").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{#pi}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_K").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{K}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_p").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{p}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_d").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{d}", kTH2F, {{tempFitVarpTAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_el").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{e}", kTH2F, {{tempFitVarpTAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_pi").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{#pi}", kTH2F, {{tempFitVarpTAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_K").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{K}", kTH2F, {{tempFitVarpTAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_p").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{p}", kTH2F, {{tempFitVarpTAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_d").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{d}", kTH2F, {{tempFitVarpTAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/hTPCdEdX").c_str(), "; #it{p} (GeV/#it{c}); TPC Signal", kTH2F, {{tempFitVarMomAxis}, {1000, 0, 1000}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_el").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{e}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_pi").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{#pi}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_K").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{K}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_p").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{p}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTPC_d").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TPC}^{d}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_el").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{e}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_pi").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{#pi}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_K").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{K}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_p").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{p}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaTOF_d").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{TOF}^{d}", kTH2F, {{tempFitVarMomAxis}, {200, -4.975, 5.025}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_el").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{e}", kTH2F, {{tempFitVarMomAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_pi").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{#pi}", kTH2F, {{tempFitVarMomAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_K").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{K}", kTH2F, {{tempFitVarMomAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_p").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{p}", kTH2F, {{tempFitVarMomAxis}, {100, 0, 5}});
mHistogramRegistry->add((folderName + folderSuffix + "/nSigmaComb_d").c_str(), "; #it{p} (GeV/#it{c}); n#sigma_{comb}^{d}", kTH2F, {{tempFitVarMomAxis}, {100, 0, 5}});
} else if constexpr (mParticleType == o2::aod::femtouniverseparticle::ParticleType::kV0) {
mHistogramRegistry->add((folderName + folderSuffix + "/hDaughDCA").c_str(), "; DCA^{daugh} (cm); Entries", kTH1F, {{1000, 0, 10}});
mHistogramRegistry->add((folderName + folderSuffix + "/hTransRadius").c_str(), "; #it{r}_{xy} (cm); Entries", kTH1F, {{1500, 0, 150}});
Expand Down Expand Up @@ -238,6 +238,7 @@
}

framework::AxisSpec tempFitVarpTAxis = {tempFitVarpTBins, "#it{p}_{T} (GeV/#it{c})"}; // the pT binning may vary
framework::AxisSpec tempFitVarMomAxis = {tempFitVarpTBins, "#it{p} (GeV/#it{c})"}; // the p binning
framework::AxisSpec tempFitVarAxis = {tempFitVarBins, tempFitVarAxisTitle};

// std::string folderName = (static_cast<std::string>(o2::aod::femtouniverseparticle::ParticleTypeName[mParticleType]).c_str() + static_cast<std::string>(mFolderSuffix[mFolderSuffixType])).c_str();
Expand All @@ -246,7 +247,7 @@
// Fill here the actual histogramms by calling init_base and init_MC
init_base<o2::aod::femtouniverse_mc_particle::MCType::kRecon>(folderName, tempFitVarAxisTitle, tempFitVarpTAxis, tempFitVarAxis);
if (isDebug) {
init_debug<o2::aod::femtouniverse_mc_particle::MCType::kRecon>(folderName, tempFitVarpTAxis);
init_debug<o2::aod::femtouniverse_mc_particle::MCType::kRecon>(folderName, tempFitVarMomAxis);
}
if (isMC) {
init_base<o2::aod::femtouniverse_mc_particle::MCType::kTruth>(folderName, tempFitVarAxisTitle, tempFitVarpTAxis, tempFitVarAxis);
Expand Down Expand Up @@ -456,17 +457,17 @@
} else if (confPDG == mConfPDGCodePart[1]) {
binPDG = 1;
} else if (confPDG == mConfPDGCodePart[2]) {
binPDG = 2; // o2-linter: disable=pdg/explicit-code

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
} else {
binPDG = 3; // o2-linter: disable=pdg/explicit-code

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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(pdgcode) == 211) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
mHistogramRegistry->fill(histFolder + HIST("_MC/hMisidentification"),
binPDG, 0, part.pt());
} else if (std::abs(pdgcode) == 321) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
mHistogramRegistry->fill(histFolder + HIST("_MC/hMisidentification"),
binPDG, 1, part.pt());
} else if (std::abs(pdgcode) == 2212) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
mHistogramRegistry->fill(histFolder + HIST("_MC/hMisidentification"),
binPDG, 2, part.pt());
} else {
Expand Down
12 changes: 7 additions & 5 deletions PWGCF/FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx
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Expand Up @@ -56,7 +56,7 @@
#include <CCDB/BasicCCDBManager.h>

#include "Math/Vector4D.h"
#include "TLorentzVector.h"

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
#include "TMath.h"
#include <TPDGCode.h>

Expand Down Expand Up @@ -341,7 +341,7 @@
Configurable<float> trackD0pTGenMax{"trackD0pTGenMax", 24.0, "MC Truth, max. pT for tracks and D0/D0bar cand."};
Configurable<bool> useYCutD0Cand{"useYCutD0Cand", true, "True - apply cut on y of D0 cand./false - apply cut on eta"};
Configurable<bool> storeD0D0barDoubleMassHypo{"storeD0D0barDoubleMassHypo", false, "Store D0/D0bar cand. which pass selection criteria for both, D0 and D0bar"};
Configurable<std::vector<int>> classMlD0D0bar{"classMlD0D0bar", {0, 1, 2}, "Indexes of ML scores to be stored. Three indexes max."};
Configurable<bool> fillCorrBkgsD0{"fillCorrBkgsD0", false, "Flag to fill derived tables with correlated background candidates"};
} ConfD0Selection;

// PID bitmask configurables
Expand Down Expand Up @@ -1835,8 +1835,10 @@

for (const auto& hfCand : hfCands) {

if (!(hfCand.hfflag() & 1 << aod::hf_cand_2prong::DecayType::D0ToPiK)) {
continue;
if (!ConfD0Selection.fillCorrBkgsD0) {
if (!(hfCand.hfflag() & 1 << aod::hf_cand_2prong::DecayType::D0ToPiK)) {
continue;
}
}

if (ConfD0Selection.useYCutD0Cand && std::abs(hfHelper.yD0(hfCand)) > ConfD0Selection.yD0CandMax) {
Expand All @@ -1853,11 +1855,11 @@
auto arrayDaughters = std::array{postrack, negtrack};
indexMcRec = RecoDecay::getMatchedMCRec(mcParticles, arrayDaughters, Pdg::kD0, std::array{+kPiPlus, -kKPlus}, true, &sign);

if (!(indexMcRec > -1)) {
if (!ConfD0Selection.fillCorrBkgsD0 && !(indexMcRec > -1)) {
continue;
}

if (std::abs(hfCand.flagMcMatchRec()) == o2::hf_decay::hf_cand_2prong::DecayChannelMain::D0ToPiK) {
if ((std::abs(hfCand.flagMcMatchRec()) == o2::hf_decay::hf_cand_2prong::DecayChannelMain::D0ToPiK) || (ConfD0Selection.fillCorrBkgsD0 && hfCand.flagMcMatchRec() != 0)) {
int postrackID = hfCand.prong0Id(); // Index to first prong
int rowInPrimaryTrackTablePos = -1;
rowInPrimaryTrackTablePos = getRowDaughters(postrackID, tmpIDtrack);
Expand Down
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