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[PWGHF] Add MC processing support to UPC Lc task #17876

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Merged
zhangbiao-phy merged 2 commits into from
Sep 13, 2026
Merged

[PWGHF] Add MC processing support to UPC Lc task #17876

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7275a53
update taskUpcLc file
Rrantu Sep 11, 2026
298d0f8
Add cstdint header for fixed-width integer types
Rrantu Sep 11, 2026
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105 changes: 94 additions & 11 deletions PWGHF/D2H/Tasks/taskUpcLc.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@

#include <array>
#include <cmath>
#include <cstdint>
#include <numeric>
#include <string>
#include <vector> // std::vector
Expand Down Expand Up @@ -79,6 +80,9 @@ DECLARE_SOA_COLUMN(AmpFT0A, ampFT0A, float);
DECLARE_SOA_COLUMN(AmpFT0C, ampFT0C, float);
DECLARE_SOA_COLUMN(ZdcTimeZNA, zdcTimeZNA, float);
DECLARE_SOA_COLUMN(ZdcTimeZNC, zdcTimeZNC, float);
DECLARE_SOA_COLUMN(FlagMcMatchRec, flagMcMatchRec, int8_t);
DECLARE_SOA_COLUMN(OriginMcRec, originMcRec, int8_t);
DECLARE_SOA_COLUMN(PtBhadMotherPart, ptBhadMotherPart, float);
} // namespace full
DECLARE_SOA_TABLE(HfUpcQa, "AOD", "HFUPCQA",
full::PvContributors,
Expand All @@ -103,12 +107,33 @@ DECLARE_SOA_TABLE(HfUpcLcInfos, "AOD", "HFUPCLCINFOS",
full::Chi2PCA,
full::DecayLength,
full::Cpa);
DECLARE_SOA_TABLE(HfUpcLcMcBdtInfos, "AOD", "HFUPCLCMCBDT",
full::M,
full::Pt,
full::BkgScore,
full::FlagMcMatchRec,
full::OriginMcRec,
full::PtBhadMotherPart);
DECLARE_SOA_TABLE(HfUpcLcMcInfos, "AOD", "HFUPCLCMCINFO",
full::M,
full::Pt,
full::PtProng0,
full::PtProng1,
full::PtProng2,
full::Chi2PCA,
full::DecayLength,
full::Cpa,
full::FlagMcMatchRec,
full::OriginMcRec,
full::PtBhadMotherPart);
} // namespace o2::aod

/// Λc± → p± K∓ π± analysis task
struct HfTaskUpcLc {
Produces<o2::aod::HfUpcLcBdtInfos> rowCandUpcBdt;
Produces<o2::aod::HfUpcLcInfos> rowCandUpc;
Produces<o2::aod::HfUpcLcMcBdtInfos> rowCandUpcMcBdt;
Produces<o2::aod::HfUpcLcMcInfos> rowCandUpcMc;
Produces<o2::aod::HfUpcQa> rowUpcQa;

Configurable<int> selectionFlagLc{"selectionFlagLc", 1, "Selection Flag for Lc"};
Expand All @@ -133,6 +158,8 @@ struct HfTaskUpcLc {

using LcCandidates = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelLc>>;
using LcCandidatesMl = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelLc, aod::HfMlLcToPKPi>>;
using LcCandidatesMc = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelLc, aod::HfCand3ProngMcRec>>;
using LcCandidatesMlMc = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelLc, aod::HfMlLcToPKPi, aod::HfCand3ProngMcRec>>;

Filter filterSelectCandidates = aod::hf_sel_candidate_lc::isSelLcToPKPi >= selectionFlagLc || aod::hf_sel_candidate_lc::isSelLcToPiKP >= selectionFlagLc;
Preslice<aod::HfCand3Prong> candLcPerCollision = aod::hf_cand::collisionId;
Expand All @@ -149,7 +176,7 @@ struct HfTaskUpcLc {

void init(InitContext&)
{
const std::array<bool, 2> doprocess{doprocessDataWithMlWithUpc, doprocessDataStdWithUpc};
const std::array<bool, 4> doprocess{doprocessDataWithMlWithUpc, doprocessDataStdWithUpc, doprocessMcWithMlWithUpc, doprocessMcStdWithUpc};
if ((std::accumulate(doprocess.begin(), doprocess.end(), 0)) != 1) {
LOGP(fatal, "no or more than one process function enabled! Please check your configuration!");
}
Expand Down Expand Up @@ -178,13 +205,13 @@ struct HfTaskUpcLc {
return o2::hf_centrality::getCentralityColl<Coll>(collision);
}

template <bool FillMl, typename CollType, typename CandType, typename BCsType>
void runAnalysisPerCollisionDataWithUpc(CollType const& collisions,
CandType const& candidates,
BCsType const& bcs,
aod::FT0s const& ft0s,
aod::FV0As const& fv0as,
aod::FDDs const& fdds
template <bool FillMl, bool IsMc, typename CollType, typename CandType, typename BCsType>
void runAnalysisPerCollisionWithUpc(CollType const& collisions,
CandType const& candidates,
BCsType const& bcs,
aod::FT0s const& ft0s,
aod::FV0As const& fv0as,
aod::FDDs const& fdds

)
{
Expand Down Expand Up @@ -244,7 +271,23 @@ struct HfTaskUpcLc {
}
registry.fill(HIST("Data/hUpcGapAfterSelection"), static_cast<int>(gap));
}
const bool ignoreZdcTime = (zdcTimeThreshold < 0.f);
if constexpr (!IsMc) {
if (!hasZdc) {
continue;
}
}
if constexpr (IsMc) {
if (!hasZdc && fillHistQa) {
registry.fill(HIST("Data/fitInfo/ampFT0A_vs_ampFT0C"), fitInfo.ampFT0A, fitInfo.ampFT0C);
}
if (!hasZdc) {
registry.fill(HIST("Data/hUpcGapAfterSelection"), static_cast<int>(gap));
}
}
bool ignoreZdcTime = (zdcTimeThreshold < 0.f);
if constexpr (IsMc) {
ignoreZdcTime = ignoreZdcTime || !hasZdc;
}
const auto multNTracksPV = collision.multNTracksPV();
const auto posZ = collision.posZ();
if (gap == o2::aod::sgselector::TrueGap::SingleGapA && (ignoreZdcTime || (std::abs(zdcTimeZNA) > zdcTimeThreshold && std::abs(zdcTimeZNC) < zdcTimeThreshold))) {
Expand Down Expand Up @@ -289,6 +332,18 @@ struct HfTaskUpcLc {

auto fillTHnData = [&](bool isPKPi) {
const auto massLc = isPKPi ? HfHelper::invMassLcToPKPi(candidate) : HfHelper::invMassLcToPiKP(candidate);
if constexpr (IsMc) {
if constexpr (FillMl) {
const auto& mlProb = isPKPi ? candidate.mlProbLcToPKPi() : candidate.mlProbLcToPiKP();
if (mlProb.size() == NumberOfMlClasses) {
outputBkg = mlProb[MlClassBackground]; /// bkg score
}
rowCandUpcMcBdt(massLc, pt, outputBkg, candidate.flagMcMatchRec(), candidate.originMcRec(), candidate.ptBhadMotherPart());
} else {
rowCandUpcMc(massLc, pt, ptProng0, ptProng1, ptProng2, chi2PCA, decayLength, cpa, candidate.flagMcMatchRec(), candidate.originMcRec(), candidate.ptBhadMotherPart());
}
return;
}
if constexpr (FillMl) {
const auto& mlProb = isPKPi ? candidate.mlProbLcToPKPi() : candidate.mlProbLcToPiKP();
if (mlProb.size() == NumberOfMlClasses) {
Expand Down Expand Up @@ -321,7 +376,7 @@ struct HfTaskUpcLc {
aod::FDDs const& fdds,
aod::Zdcs const& /*zdcs*/)
{
runAnalysisPerCollisionDataWithUpc<true>(collisions, selectedLcCandidatesMl, bcs, ft0s, fv0as, fdds);
runAnalysisPerCollisionWithUpc<true, false>(collisions, selectedLcCandidatesMl, bcs, ft0s, fv0as, fdds);
}
PROCESS_SWITCH(HfTaskUpcLc, processDataWithMlWithUpc, "Process real data with the ML method with UPC", false);

Expand All @@ -334,9 +389,37 @@ struct HfTaskUpcLc {
aod::FDDs const& fdds,
aod::Zdcs const& /*zdcs*/)
{
runAnalysisPerCollisionDataWithUpc<false>(collisions, selectedLcCandidates, bcs, ft0s, fv0as, fdds);
runAnalysisPerCollisionWithUpc<false, false>(collisions, selectedLcCandidates, bcs, ft0s, fv0as, fdds);
}
PROCESS_SWITCH(HfTaskUpcLc, processDataStdWithUpc, "Process real data with the standard method with UPC", false);

void processMcWithMlWithUpc(soa::Join<aod::Collisions, aod::McCollisionLabels, aod::EvSels, aod::Mults> const& collisions,
aod::BcFullInfos const& bcs,
LcCandidatesMlMc const& selectedLcCandidatesMlMc,
aod::McCollisions const&,
aod::TracksWMc const&,
aod::FT0s const& ft0s,
aod::FV0As const& fv0as,
aod::FDDs const& fdds,
aod::Zdcs const& /*zdcs*/)
{
runAnalysisPerCollisionWithUpc<true, true>(collisions, selectedLcCandidatesMlMc, bcs, ft0s, fv0as, fdds);
}
PROCESS_SWITCH(HfTaskUpcLc, processMcWithMlWithUpc, "Process MC with the ML method with UPC", false);

void processMcStdWithUpc(soa::Join<aod::Collisions, aod::McCollisionLabels, aod::EvSels, aod::Mults> const& collisions,
aod::BcFullInfos const& bcs,
LcCandidatesMc const& selectedLcCandidatesMc,
aod::McCollisions const&,
aod::TracksWMc const&,
aod::FT0s const& ft0s,
aod::FV0As const& fv0as,
aod::FDDs const& fdds,
aod::Zdcs const& /*zdcs*/)
{
runAnalysisPerCollisionWithUpc<false, true>(collisions, selectedLcCandidatesMc, bcs, ft0s, fv0as, fdds);
}
PROCESS_SWITCH(HfTaskUpcLc, processMcStdWithUpc, "Process MC with the standard method with UPC", false);
};

WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
Expand Down
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