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[PWGCF] FemtoUniverse: Add efficiency calculation with EfficiencyCorrection class to V0 task #11814

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Merged
prchakra merged 1 commit into from
Jun 28, 2025
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[PWGCF] FemtoUniverse: Add efficiency calculation with EfficiencyCorrection class to V0 task #11814

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16 changes: 10 additions & 6 deletions PWGCF/FemtoUniverse/Core/FemtoUniverseContainer.h
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Expand Up @@ -20,17 +20,21 @@
#ifndef PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSECONTAINER_H_
#define PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSECONTAINER_H_

#include <fairlogger/Logger.h>
#include <vector>
#include <string>
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseMath.h"
#include "PWGCF/FemtoUniverse/DataModel/FemtoDerived.h"

#include "Framework/HistogramRegistry.h"
#include "Common/Core/RecoDecay.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseMath.h"

#include "Framework/HistogramRegistry.h"

#include "Math/Vector4D.h"
#include "TMath.h"
#include "TDatabasePDG.h"
#include "TMath.h"

#include <fairlogger/Logger.h>

#include <string>
#include <vector>

using namespace o2::framework;

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31 changes: 16 additions & 15 deletions PWGCF/FemtoUniverse/Core/FemtoUniverseEfficiencyCorrection.h
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Expand Up @@ -16,22 +16,22 @@
#ifndef PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSEEFFICIENCYCORRECTION_H_
#define PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSEEFFICIENCYCORRECTION_H_

#include "PWGCF/FemtoUniverse/DataModel/FemtoDerived.h"

#include <CCDB/BasicCCDBManager.h>
#include <Framework/Configurable.h>
#include <Framework/ConfigurableKinds.h>
#include <Framework/HistogramRegistry.h>
#include <Framework/HistogramSpec.h>

#include <Framework/O2DatabasePDGPlugin.h>

#include <TH1.h>
#include <TH2.h>

#include <vector>
#include <string>
#include <algorithm>
#include <ranges>

#include "PWGCF/FemtoUniverse/DataModel/FemtoDerived.h"
#include <string>
#include <vector>

namespace o2::analysis::femto_universe::efficiency_correction
{
Expand Down Expand Up @@ -115,7 +115,7 @@
}
}

template <uint8_t N>
template <uint8_t N, typename CollisionType = aod::FdCollisions>
requires IsOneOrTwo<N>
void fillTruthHist(auto particle)
{
Expand All @@ -126,10 +126,10 @@
histRegistry->fill(HIST(histDirectory) + HIST("/") + HIST(histSuffix[N - 1]) + HIST("/hMCTruth"),
particle.pt(),
particle.eta(),
particle.fdCollision().multV0M());
particle.template fdCollision_as<CollisionType>().multV0M());
}

template <uint8_t N>
template <uint8_t N, typename CollisionType = aod::FdCollisions>
requires IsOneOrTwo<N>
void fillRecoHist(auto particle, int particlePDG)
{
Expand All @@ -149,7 +149,7 @@
histRegistry->fill(HIST(histDirectory) + HIST("/") + HIST(histSuffix[N - 1]) + HIST("/hPrimary"),
mcParticle.pt(),
mcParticle.eta(),
particle.fdCollision().multV0M());
particle.template fdCollision_as<CollisionType>().multV0M());
break;

case (o2::aod::femtouniverse_mc_particle::kDaughter):
Expand All @@ -158,33 +158,34 @@
histRegistry->fill(HIST(histDirectory) + HIST("/") + HIST(histSuffix[N - 1]) + HIST("/hSecondary"),
mcParticle.pt(),
mcParticle.eta(),
particle.fdCollision().multV0M());
particle.template fdCollision_as<CollisionType>().multV0M());
break;

case (o2::aod::femtouniverse_mc_particle::kMaterial):
histRegistry->fill(HIST(histDirectory) + HIST("/") + HIST(histSuffix[N - 1]) + HIST("/hMaterial"),
mcParticle.pt(),
mcParticle.eta(),
particle.fdCollision().multV0M());
particle.template fdCollision_as<CollisionType>().multV0M());
break;

case (o2::aod::femtouniverse_mc_particle::kFake):
histRegistry->fill(HIST(histDirectory) + HIST("/") + HIST(histSuffix[N - 1]) + HIST("/hFake"),
mcParticle.pt(),
mcParticle.eta(),
particle.fdCollision().multV0M());
particle.template fdCollision_as<CollisionType>().multV0M());
break;

default:
histRegistry->fill(HIST(histDirectory) + HIST("/") + HIST(histSuffix[N - 1]) + HIST("/hOther"),
mcParticle.pt(),
mcParticle.eta(),
particle.fdCollision().multV0M());
particle.template fdCollision_as<CollisionType>().multV0M());
break;
}
}
}

template <typename CollisionType = aod::FdCollisions>
auto getWeight(ParticleNo partNo, auto particle) -> float
{
auto weight = 1.0f;
Expand All @@ -203,9 +204,9 @@
} else if (config->confEffCorVariables.value == "pt,eta") {
bin = hWeights->FindBin(particle.pt(), particle.eta());
} else if (config->confEffCorVariables.value == "pt,mult") {
bin = hWeights->FindBin(particle.pt(), particle.fdCollision().multV0M());
bin = hWeights->FindBin(particle.pt(), particle.template fdCollision_as<CollisionType>().multV0M());
} else if (config->confEffCorVariables.value == "pt,eta,mult") {
bin = hWeights->FindBin(particle.pt(), particle.eta(), particle.fdCollision().multV0M());
bin = hWeights->FindBin(particle.pt(), particle.eta(), particle.template fdCollision_as<CollisionType>().multV0M());
} else {
LOGF(fatal, notify("Unknown configuration for efficiency variables"));
return weight;
Expand Down Expand Up @@ -281,8 +282,8 @@
std::array<TH1*, 2> hLoaded{nullptr, nullptr};

framework::HistogramRegistry* histRegistry{};
static constexpr std::string_view histDirectory{"EfficiencyCorrection"};

Check failure on line 285 in PWGCF/FemtoUniverse/Core/FemtoUniverseEfficiencyCorrection.h

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[name/constexpr-constant] 

Use UpperCamelCase for names of constexpr constants. Names of special constants may be prefixed with "k".
static constexpr std::string_view histSuffix[2]{"one", "two"};

Check failure on line 286 in PWGCF/FemtoUniverse/Core/FemtoUniverseEfficiencyCorrection.h

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[name/constexpr-constant] 

Use UpperCamelCase for names of constexpr constants. Names of special constants may be prefixed with "k".
};

} // namespace o2::analysis::femto_universe::efficiency_correction
Expand Down
65 changes: 40 additions & 25 deletions PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackV0Extended.cxx
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Expand Up @@ -15,31 +15,35 @@
/// \author Zuzanna Chochulska, WUT Warsaw & CTU Prague, zchochul@cern.ch
/// \author Shirajum Monira, WUT Warsaw, shirajum.monira.dokt@pw.edu.pl

#include <vector>
#include <string>
#include <memory>
#include "Framework/AnalysisTask.h"
#include "Framework/runDataProcessing.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/ASoAHelpers.h"
#include "PWGCF/FemtoUniverse/DataModel/FemtoDerived.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseParticleHisto.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseEventHisto.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniversePairCleaner.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseContainer.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseDetaDphiStar.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseEfficiencyCorrection.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseEventHisto.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniversePairCleaner.h"
#include "PWGCF/FemtoUniverse/Core/FemtoUniverseParticleHisto.h"

#include "Framework/ASoAHelpers.h"
#include "Framework/AnalysisTask.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/O2DatabasePDGPlugin.h"
#include "Framework/runDataProcessing.h"

#include <TFile.h>
#include <TH1.h>
#include <TPDGCode.h>

#include <memory>
#include <string>
#include <vector>

using namespace o2;
using namespace o2::soa;
using namespace o2::framework;
using namespace o2::framework::expressions;
using namespace o2::analysis::femto_universe;
using namespace o2::aod::pidutils;
using namespace o2::track;
using namespace o2::analysis::femto_universe::efficiency_correction;

struct FemtoUniversePairTaskTrackV0Extended {

Expand Down Expand Up @@ -140,6 +144,9 @@ struct FemtoUniversePairTaskTrackV0Extended {
// Efficiency
Configurable<std::string> confLocalEfficiency{"confLocalEfficiency", "", "Local path to efficiency .root file"};

EffCorConfigurableGroup effCorConfGroup;
EfficiencyCorrection effCorrection{&effCorConfGroup};

static constexpr unsigned int V0ChildTable[][2] = {{0, 1}, {1, 0}, {1, 1}}; // Table to select the V0 children

FemtoUniverseContainer<femto_universe_container::EventType::same, femto_universe_container::Observable::kstar> sameEventCont;
Expand All @@ -154,8 +161,6 @@ struct FemtoUniversePairTaskTrackV0Extended {
HistogramRegistry registryMCtruth{"MCtruthHistos", {}, OutputObjHandlingPolicy::AnalysisObject, false, true};
HistogramRegistry registryMCreco{"MCrecoHistos", {}, OutputObjHandlingPolicy::AnalysisObject, false, true};

HistogramRegistry mixQaRegistry{"mixQaRegistry", {}, OutputObjHandlingPolicy::AnalysisObject};

std::unique_ptr<TFile> plocalEffFile;
std::unique_ptr<TH1> plocalEffp1;
std::unique_ptr<TH1> plocalEffp2;
Expand Down Expand Up @@ -228,7 +233,7 @@ struct FemtoUniversePairTaskTrackV0Extended {
posChildV0Type2.init(&qaRegistry, confChildTempFitVarpTBins, confChildTempFitVarBins, false, 0, true, "posChildV0Type2");
negChildV0Type2.init(&qaRegistry, confChildTempFitVarpTBins, confChildTempFitVarBins, false, 0, true, "negChildV0Type2");

mixQaRegistry.add("MixingQA/hMECollisionBins", ";bin;Entries", kTH1F, {{120, -0.5, 119.5}});
qaRegistry.add("MixingQA/hMECollisionBins", ";bin;Entries", kTH1F, {{120, -0.5, 119.5}});

// MC truth
registryMCtruth.add("plus/MCtruthLambda", "MC truth Lambdas;#it{p}_{T} (GeV/c); #eta", {HistType::kTH2F, {{500, 0, 5}, {400, -1.0, 1.0}}});
Expand Down Expand Up @@ -300,6 +305,8 @@ struct FemtoUniversePairTaskTrackV0Extended {
LOGF(info, "Loaded efficiency histograms for V0-V0.");
}
}

effCorrection.init(&qaRegistry, {static_cast<framework::AxisSpec>(confV0TempFitVarpTBins), {confEtaBins, -2, 2}, confMultBins});
}
/// This function processes the same event for track - V0
template <typename PartType, typename PartitionType, typename MCParticles = std::nullptr_t>
Expand Down Expand Up @@ -379,7 +386,7 @@ struct FemtoUniversePairTaskTrackV0Extended {
}

/// This function processes the same event for V0 - V0
template <typename PartType, typename PartitionType, typename MCParticles = std::nullptr_t>
template <bool isMC, typename PartType, typename PartitionType, typename MCParticles = std::nullptr_t>
void doSameEventV0(FilteredFDCollision const& col, PartType const& parts, PartitionType& groupPartsTwo, [[maybe_unused]] MCParticles mcParts = nullptr)
{
const auto& magFieldTesla = col.magField();
Expand All @@ -402,6 +409,9 @@ struct FemtoUniversePairTaskTrackV0Extended {
negChildV0Type1.fillQABase<false, true>(negChild, HIST("negChildV0Type1"));
qaRegistry.fill(HIST("V0Type1/hInvMassLambdaVsCent"), multCol, part.mLambda());
qaRegistry.fill(HIST("V0Type1/hInvMassAntiLambdaVsCent"), multCol, part.mAntiLambda());
if constexpr (isMC) {
effCorrection.fillRecoHist<ParticleNo::ONE, FilteredFDCollisions>(part, kLambda0);
}
}
/// Check daughters of second V0 particle
if (isParticleTPC(posChild, V0ChildTable[confV0Type2][0]) && isParticleTPC(negChild, V0ChildTable[confV0Type2][1])) {
Expand All @@ -410,6 +420,9 @@ struct FemtoUniversePairTaskTrackV0Extended {
negChildV0Type2.fillQABase<false, true>(negChild, HIST("negChildV0Type2"));
qaRegistry.fill(HIST("V0Type2/hInvMassLambdaVsCent"), multCol, part.mLambda());
qaRegistry.fill(HIST("V0Type2/hInvMassAntiLambdaVsCent"), multCol, part.mAntiLambda());
if constexpr (isMC) {
effCorrection.fillRecoHist<ParticleNo::TWO, FilteredFDCollisions>(part, kLambda0Bar);
}
}
}

Expand Down Expand Up @@ -481,14 +494,14 @@ struct FemtoUniversePairTaskTrackV0Extended {
void processSameEventV0(FilteredFDCollision const& col, FemtoFullParticles const& parts)
{
auto groupPartsTwo = partsTwo->sliceByCached(aod::femtouniverseparticle::fdCollisionId, col.globalIndex(), cache);
doSameEventV0(col, parts, groupPartsTwo);
doSameEventV0<false>(col, parts, groupPartsTwo);
}
PROCESS_SWITCH(FemtoUniversePairTaskTrackV0Extended, processSameEventV0, "Enable processing same event for V0 - V0", false);

void processSameEventV0MCReco(FilteredFDCollision const& col, FemtoRecoParticles const& parts, aod::FdMCParticles const& mcparts)
{
auto groupPartsTwo = partsTwoMCReco->sliceByCached(aod::femtouniverseparticle::fdCollisionId, col.globalIndex(), cache);
doSameEventV0(col, parts, groupPartsTwo, mcparts);
doSameEventV0<true>(col, parts, groupPartsTwo, mcparts);
}
PROCESS_SWITCH(FemtoUniversePairTaskTrackV0Extended, processSameEventV0MCReco, "Enable processing same event for V0 - V0 MC Reco", false);

Expand Down Expand Up @@ -565,13 +578,15 @@ struct FemtoUniversePairTaskTrackV0Extended {
negChildV0Type1.fillQABase<false, true>(negChild, HIST("negChildV0Type1"));
qaRegistry.fill(HIST("V0Type1/hInvMassLambdaVsCent"), multCol, part.mLambda());
qaRegistry.fill(HIST("V0Type1/hInvMassAntiLambdaVsCent"), multCol, part.mAntiLambda());
effCorrection.fillTruthHist<ParticleNo::ONE, FilteredFDCollisions>(part);
}
if ((confV0Type2 == 0 && pdgCode == kLambda0) || (confV0Type2 == 1 && pdgCode == kLambda0Bar)) {
trackHistoV0Type2.fillQABase<false, true>(part, HIST("V0Type2"));
posChildV0Type2.fillQABase<false, true>(posChild, HIST("posChildV0Type2"));
negChildV0Type2.fillQABase<false, true>(negChild, HIST("negChildV0Type2"));
qaRegistry.fill(HIST("V0Type2/hInvMassLambdaVsCent"), multCol, part.mLambda());
qaRegistry.fill(HIST("V0Type2/hInvMassAntiLambdaVsCent"), multCol, part.mAntiLambda());
effCorrection.fillTruthHist<ParticleNo::TWO, FilteredFDCollisions>(part);
}
}

Expand Down Expand Up @@ -657,12 +672,12 @@ struct FemtoUniversePairTaskTrackV0Extended {
if (confUseCent) {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningCent, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
}
} else {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningMult, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
}
}
}
Expand Down Expand Up @@ -729,12 +744,12 @@ struct FemtoUniversePairTaskTrackV0Extended {
if (confUseCent) {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningCent, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
}
} else {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningMult, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
}
}
}
Expand Down Expand Up @@ -799,12 +814,12 @@ struct FemtoUniversePairTaskTrackV0Extended {
if (confUseCent) {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningCent, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
}
} else {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningMult, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
}
}
}
Expand Down Expand Up @@ -837,12 +852,12 @@ struct FemtoUniversePairTaskTrackV0Extended {
if (confUseCent) {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningCent, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningCent.getBin({collision1.posZ(), collision1.multV0M()}));
}
} else {
for (const auto& [collision1, collision2] : soa::selfCombinations(colBinningMult, confNEventsMix, -1, cols, cols)) {
mixedCollProcessFunc(collision1, collision2);
mixQaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
qaRegistry.fill(HIST("MixingQA/hMECollisionBins"), colBinningMult.getBin({collision1.posZ(), collision1.multNtr()}));
}
}
}
Expand Down
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