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[PWGCF] FemtoUniverse: Add histos for truth-reco quantities #14250

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Merged
prchakra merged 1 commit into from
Dec 17, 2025
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[PWGCF] FemtoUniverse: Add histos for truth-reco quantities #14250

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16 changes: 16 additions & 0 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 @@ -142,6 +142,10 @@
mHistogramRegistry->add((folderName + folderSuffix + "/hOrigin_MC").c_str(), "; Origin; Entries", kTH1I, {{100, 0, 100}});
mHistogramRegistry->add((folderName + folderSuffix + "/hNoMCtruthCounter").c_str(), "; Counter; Entries", kTH1I, {{1, 0, 1}});

mHistogramRegistry->add((folderName + folderSuffix + "/hTrueRecoMomPart1").c_str(), "; #it{p}_{reco} (GeV/#it{c}); #it{p}_{truth} - #it{p}_{reco} (GeV/#it{c})", kTH2F, {tempFitVarpTAxis, tempFitVarAxis});
mHistogramRegistry->add((folderName + folderSuffix + "/hTrueRecoThetaPart1").c_str(), "; #it{p}_{reco} (GeV/#it{c}); #it{#theta}_{truth} - #it{#theta}_{reco} (GeV/#it{c})", kTH2F, {tempFitVarpTAxis, tempFitVarAxis});
mHistogramRegistry->add((folderName + folderSuffix + "/hTrueRecoMomPart1").c_str(), "; #it{p}_{reco} (GeV/#it{c}); #it{#phi}_{truth} - #it{#phi}_{reco} (GeV/#it{c})", kTH2F, {tempFitVarpTAxis, tempFitVarAxis});

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) {
/// Track histograms
if (isDebug) {
Expand Down Expand Up @@ -247,6 +251,7 @@
if (isMC) {
init_base<o2::aod::femtouniverse_mc_particle::MCType::kTruth>(folderName, tempFitVarAxisTitle, tempFitVarpTAxis, tempFitVarAxis);
init_MC(folderName, tempFitVarAxisTitle, tempFitVarpTAxis, tempFitVarAxis, isDebug);
// init_MC_reso(folderName, tempFitVarAxisTitle, tempFitVarpTAxis);
}
}
}
Expand Down Expand Up @@ -343,6 +348,17 @@

if (std::abs(pdgcode) == mPDG) { // fill this histogramm only for TRUE protons (independently of their origin) for the track purity estimation
mHistogramRegistry->fill(histFolder + HIST("_MC/hPt_ReconNoFake"), part.pt());
if (part.has_fdMCParticle()) {

float part_p = part.pt() * std::cosh(part.eta());
float part_MC_p = part.fdMCParticle().pt() * std::cosh(part.fdMCParticle().eta());
float part_theta = 2.0 * std::atan(std::exp(-part.eta()));
float part_MC_theta = 2.0 * std::atan(std::exp(-part.fdMCParticle().eta()));

mHistogramRegistry->fill(histFolder + HIST("_MC/hTrueRecoMomPion"), part_p, (part_MC_p - part_p));
mHistogramRegistry->fill(histFolder + HIST("_MC/hTrueRecoThetaPion"), part_p, (part_MC_theta - part_theta));
mHistogramRegistry->fill(histFolder + HIST("_MC/hTrueRecoMomPion"), part_p, part.fdMCParticle().phi() - part.phi());
}
}

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 Down Expand Up @@ -440,17 +456,17 @@
} 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.

Check failure on line 463 in PWGCF/FemtoUniverse/Core/FemtoUniverseParticleHisto.h

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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.

Check failure on line 469 in PWGCF/FemtoUniverse/Core/FemtoUniverseParticleHisto.h

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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
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