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[PWGHF] Add centrality branch to Lc candidate tree #16343

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[PWGHF] Add centrality branch to Lc candidate tree #16343

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[PWGHF] Add centrality branch to Lc candidate tree
GiuliaRusso02 May 21, 2026
4c29c81
[PWGHF] Fix clang-format and whitespace
GiuliaRusso02 May 21, 2026
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38 changes: 26 additions & 12 deletions PWGHF/TableProducer/treeCreatorLcToPKPi.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -262,7 +262,8 @@ DECLARE_SOA_TABLE(HfCandLcLites, "AOD", "HFCANDLCLITE",
full::MassKPi,
full::MlScoreFirstClass,
full::MlScoreSecondClass,
full::MlScoreThirdClass);
full::MlScoreThirdClass,
full::CentFT0C);

DECLARE_SOA_TABLE(HfCollIdLCLite, "AOD", "HFCOLLIDLCLITE",
full::CollisionId);
Expand Down Expand Up @@ -343,7 +344,8 @@ DECLARE_SOA_TABLE(HfCandLcFulls, "AOD", "HFCANDLCFULL",
full::MassKPi,
full::MlScoreFirstClass,
full::MlScoreSecondClass,
full::MlScoreThirdClass);
full::MlScoreThirdClass,
full::CentFT0C);

DECLARE_SOA_TABLE(HfCandLcFullEvs, "AOD", "HFCANDLCFULLEV",
full::CollisionId,
Expand Down Expand Up @@ -607,8 +609,8 @@ struct HfTreeCreatorLcToPKPi {
/// \param candidate candidate instance
/// \param candidateMlScore instance of handler of vectors with ML scores associated with the current candidate
/// \param candFlag flag indicating if PKPi (0) or PiKP (1) hypothesis is used
template <bool IsMc, typename CandType>
void fillLiteTable(CandType const& candidate, aod::HfMlLcToPKPi::iterator const& candidateMlScore, int candFlag)
template <bool UseCentrality, bool IsMc, typename CandType, typename CollType>
void fillLiteTable(CandType const& candidate, CollType const& collision, aod::HfMlLcToPKPi::iterator const& candidateMlScore, int candFlag)
{
auto [functionInvMass, functionInvMassKPi] = evaluateInvariantMassesDCAFitter(candidate, candFlag);
const float functionCt = HfHelper::ctLc(candidate);
Expand All @@ -634,6 +636,11 @@ struct HfTreeCreatorLcToPKPi {
assignMlScores(candidateMlScore, mlScoreFirstClass, mlScoreSecondClass, mlScoreThirdClass, candFlag);
}

float centFT0C = -1.f;
if constexpr (UseCentrality) {
centFT0C = collision.centFT0C();
}

rowCandidateLite(
candidate.posX(),
candidate.posY(),
Expand Down Expand Up @@ -681,7 +688,8 @@ struct HfTreeCreatorLcToPKPi {
functionInvMassKPi,
mlScoreFirstClass,
mlScoreSecondClass,
mlScoreThirdClass);
mlScoreThirdClass,
centFT0C);

if (fillCollIdTable) {
/// save also candidate collision indices
Expand All @@ -693,8 +701,8 @@ struct HfTreeCreatorLcToPKPi {
/// \param candidate candidate instance
/// \param candidateMlScore instance of handler of vectors with ML scores associated with the current candidate
/// \param candFlag flag indicating if PKPi (0) or PiKP (1) hypothesis is used
template <bool IsMc, typename CandType>
void fillFullTable(CandType const& candidate, aod::HfMlLcToPKPi::iterator const& candidateMlScore, int candFlag)
template <bool UseCentrality, bool IsMc, typename CandType, typename CollType>
void fillFullTable(CandType const& candidate, CollType const& collision, aod::HfMlLcToPKPi::iterator const& candidateMlScore, int candFlag)
{
auto [functionInvMass, functionInvMassKPi] = evaluateInvariantMassesDCAFitter(candidate, candFlag);
const float functionCt = HfHelper::ctLc(candidate);
Expand All @@ -721,6 +729,11 @@ struct HfTreeCreatorLcToPKPi {
assignMlScores(candidateMlScore, mlScoreFirstClass, mlScoreSecondClass, mlScoreThirdClass, candFlag);
}

float centFT0C = -1.f;
if constexpr (UseCentrality) {
centFT0C = collision.centFT0C();
}

rowCandidateFull(
candidate.collisionId(),
candidate.posX(),
Expand Down Expand Up @@ -797,7 +810,8 @@ struct HfTreeCreatorLcToPKPi {
functionInvMassKPi,
mlScoreFirstClass,
mlScoreSecondClass,
mlScoreThirdClass);
mlScoreThirdClass,
centFT0C);
}

/// \brief function to fill lite table
Expand Down Expand Up @@ -944,9 +958,9 @@ struct HfTreeCreatorLcToPKPi {
const bool notSkippedBkg = isMcCandidateSignal || candidate.pt() > downSampleBkgPtMax || pseudoRndm < downSampleBkgFactor;
if (passSelection && notSkippedBkg && (keepAll || (keepSignalMc && isMcCandidateSignal) || (keepBkgMc && !isMcCandidateSignal) || (keepCorrBkgMC && isCorrBkg))) {
if (fillCandidateLiteTable) {
fillLiteTable<IsMc>(candidate, candidateMlScore, candFlag);
fillLiteTable<UseCentrality, IsMc>(candidate, collision, candidateMlScore, candFlag);
} else {
fillFullTable<IsMc>(candidate, candidateMlScore, candFlag);
fillFullTable<UseCentrality, IsMc>(candidate, collision, candidateMlScore, candFlag);
}

if constexpr (ReconstructionType == aod::hf_cand::VertexerType::KfParticle) {
Expand Down Expand Up @@ -1126,9 +1140,9 @@ struct HfTreeCreatorLcToPKPi {
const int functionSelection = candFlag == 0 ? candidate.isSelLcToPKPi() : candidate.isSelLcToPiKP();
if (functionSelection >= selectionFlagLc && (candidate.pt() > downSampleBkgPtMax || (pseudoRndm < downSampleBkgFactor && candidate.pt() < downSampleBkgPtMax))) {
if (fillCandidateLiteTable) {
fillLiteTable<IsMc>(candidate, candidateMlScore, candFlag);
fillLiteTable<UseCentrality, IsMc>(candidate, collision, candidateMlScore, candFlag);
} else {
fillFullTable<IsMc>(candidate, candidateMlScore, candFlag);
fillFullTable<UseCentrality, IsMc>(candidate, collision, candidateMlScore, candFlag);
}

if constexpr (ReconstructionType == aod::hf_cand::VertexerType::KfParticle) {
Expand Down
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