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[PWGHF] Fix filling MC tables for Charm+V0 femto #16942

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Merged
fgrosa merged 2 commits into from
Jul 7, 2026
+74 −25
Merged

[PWGHF] Fix filling MC tables for Charm+V0 femto #16942

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734097f
Fix filling MC tables for Charm+V0 femto
fgrosa Jul 7, 2026
a657c73
Fix comment
fgrosa Jul 7, 2026
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49 changes: 49 additions & 0 deletions PWGHF/HFC/TableProducer/producerCharmHadronsV0FemtoDream.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -506,6 +506,10 @@ struct HfProducerCharmHadronsV0FemtoDream {
constexpr int GenFromTransport = -1; // -1 if a particle produced during transport
// get list of mothers, but it could be empty (for example in case of injected light nuclei)
auto motherparticlesMc = particleMc.template mothers_as<aod::McParticles>();
float ptPos{-1.f}, ptNeg{-1.f};
float etaPos{-1.f}, etaNeg{-1.f};
float phiPos{-1.f}, phiNeg{-1.f};
int pdgCodePos{0}, pdgCodeNeg{0};
// check pdg code
// if this fails, the particle is a fake
if (std::abs(pdgCode) == std::abs(v0PDGCode.value)) {
Expand Down Expand Up @@ -534,21 +538,66 @@ struct HfProducerCharmHadronsV0FemtoDream {
} else {
particleOrigin = aod::femtodreamMCparticle::ParticleOriginMCTruth::kElse;
}
for (auto const& dauMc : particleMc.template daughters_as<aod::McParticles>()) {
if (dauMc.pdgCode() > 0) {
ptPos = dauMc.pt();
etaPos = dauMc.eta();
phiPos = dauMc.phi();
pdgCodePos = dauMc.pdgCode();
} else {
ptNeg = dauMc.pt();
etaNeg = dauMc.eta();
phiNeg = dauMc.phi();
pdgCodeNeg = dauMc.pdgCode();
}
}
// if pdg code is wrong, particle is fake
} else {
particleOrigin = aod::femtodreamMCparticle::ParticleOriginMCTruth::kFake;
}

// positive daughter
outputPartsMc(particleOrigin, pdgCodePos, ptPos, etaPos, phiPos);
outputPartsMcLabels(outputPartsMc.lastIndex());
if (isDebug) {
outputPartsExtMcLabels(outputPartsMc.lastIndex());
outputDebugPartsMc(pdgCode);
}
// negative daughter
outputPartsMc(particleOrigin, pdgCodeNeg, ptNeg, etaNeg, phiNeg);
outputPartsMcLabels(outputPartsMc.lastIndex());
if (isDebug) {
outputPartsExtMcLabels(outputPartsMc.lastIndex());
outputDebugPartsMc(pdgCode);
}
// V0
outputPartsMc(particleOrigin, pdgCode, particleMc.pt(), particleMc.eta(), particleMc.phi());
outputPartsMcLabels(outputPartsMc.lastIndex());
if (isDebug) {
outputPartsExtMcLabels(outputPartsMc.lastIndex());
outputDebugPartsMc(pdgCodeMother);
}
} else {
// positive daughter
outputPartsMc(aod::femtodreamMCparticle::ParticleOriginMCTruth::kFake, 0, -1.f, -1.f, -1.f);
outputPartsMcLabels(-1);
if (isDebug) {
outputPartsExtMcLabels(-1);
outputDebugPartsMc(0);
}
// negative daughter
outputPartsMc(aod::femtodreamMCparticle::ParticleOriginMCTruth::kFake, 0, -1.f, -1.f, -1.f);
outputPartsMcLabels(-1);
if (isDebug) {
outputPartsExtMcLabels(-1);
outputDebugPartsMc(0);
}
// V0
outputPartsMc(aod::femtodreamMCparticle::ParticleOriginMCTruth::kFake, 0, -1.f, -1.f, -1.f);
outputPartsMcLabels(-1);
if (isDebug) {
outputPartsExtMcLabels(-1);
outputDebugPartsMc(0);
}
}
}
Expand Down
50 changes: 25 additions & 25 deletions PWGHF/HFC/Tasks/taskCharmHadronsV0FemtoDream.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.

/// \file taskCharmHadronsTrackFemtoDream.cxx
/// \file taskCharmHadronsV0FemtoDream.cxx
/// \brief Tasks that reads the V0 and CharmHadrons tables used for the pairing and builds pairs
/// \author Biao Zhang, Heidelberg University, biao.zhang@cern.ch

Expand Down Expand Up @@ -177,8 +177,8 @@ struct HfTaskCharmHadronsV0FemtoDream {
using FilteredMcCollisions = soa::Filtered<soa::Join<aod::FDCollisions, FDColMasks, aod::FDMCCollLabels>>;
using FilteredMcColision = FilteredMcCollisions::iterator;

using FilteredFDMcParts = soa::Filtered<soa::Join<aod::FDParticles, aod::FDParticlesIndex, aod::FDExtParticles, aod::FDMCLabels, aod::FDExtMCLabels, aod::FDTrkTimeStamp>>;
using FilteredFDMcPart = FilteredFDMcParts::iterator;
using FDMcV0Particles = soa::Join<aod::FDParticles, aod::FDParticlesIndex, aod::FDExtParticles, aod::FDMCLabels, aod::FDExtMCLabels, aod::FDTrkTimeStamp>;
using FDMcV0Particle = FDMcV0Particles::iterator;

using FDV0Particles = soa::Join<aod::FDParticles, aod::FDExtParticles, aod::FDParticlesIndex, aod::FDTrkTimeStamp>;
using FDV0Particle = FDV0Particles::iterator;
Expand All @@ -189,7 +189,7 @@ struct HfTaskCharmHadronsV0FemtoDream {
Filter hfMcSelFilter = (nabs(aod::fdhf::flagMc) == charmSel.charmHadMcSel);

Preslice<FDV0Particles> perCol = aod::femtodreamparticle::fdCollisionId;
Preslice<FilteredFDMcParts> perColMc = aod::femtodreamparticle::fdCollisionId;
Preslice<FDMcV0Particles> perColMc = aod::femtodreamparticle::fdCollisionId;
Preslice<FilteredCharmCand3Prongs> perHf3ProngByCol = aod::femtodreamparticle::fdCollisionId;
Preslice<FilteredCharmCand2Prongs> perHf2ProngByCol = aod::femtodreamparticle::fdCollisionId;
Preslice<FilteredCharmCandDstars> perHfDstarByCol = aod::femtodreamparticle::fdCollisionId;
Expand All @@ -206,16 +206,16 @@ struct HfTaskCharmHadronsV0FemtoDream {
(aod::femtodreamparticle::mAntiLambda > v0Sel.invMassAntiV0Min) &&
(aod::femtodreamparticle::mAntiLambda < v0Sel.invMassAntiV0Max);

Partition<FilteredFDMcParts> partitionMcLambda = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kV0)) &&
((aod::femtodreamparticle::cut & v0Sel.cutBit) == v0Sel.cutBit) &&
(aod::femtodreamparticle::pt > v0Sel.ptV0Min) &&
(aod::femtodreamparticle::pt < v0Sel.ptV0Max) &&
(aod::femtodreamparticle::eta > v0Sel.etaV0Min) &&
(aod::femtodreamparticle::eta < v0Sel.etaV0Max) &&
(aod::femtodreamparticle::mLambda > v0Sel.invMassV0Min) &&
(aod::femtodreamparticle::mLambda < v0Sel.invMassV0Max) &&
(aod::femtodreamparticle::mAntiLambda > v0Sel.invMassAntiV0Min) &&
(aod::femtodreamparticle::mAntiLambda < v0Sel.invMassAntiV0Max);
Partition<FDMcV0Particles> partitionMcLambda = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kV0)) &&
((aod::femtodreamparticle::cut & v0Sel.cutBit) == v0Sel.cutBit) &&
(aod::femtodreamparticle::pt > v0Sel.ptV0Min) &&
(aod::femtodreamparticle::pt < v0Sel.ptV0Max) &&
(aod::femtodreamparticle::eta > v0Sel.etaV0Min) &&
(aod::femtodreamparticle::eta < v0Sel.etaV0Max) &&
(aod::femtodreamparticle::mLambda > v0Sel.invMassV0Min) &&
(aod::femtodreamparticle::mLambda < v0Sel.invMassV0Max) &&
(aod::femtodreamparticle::mAntiLambda > v0Sel.invMassAntiV0Min) &&
(aod::femtodreamparticle::mAntiLambda < v0Sel.invMassAntiV0Max);

/// Partitions for particle K0Short
Partition<FDV0Particles> partitionK0Short = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kV0K0Short)) &&
Expand All @@ -229,16 +229,16 @@ struct HfTaskCharmHadronsV0FemtoDream {
(aod::femtodreamparticle::mAntiLambda > v0Sel.invMassAntiV0Min) &&
(aod::femtodreamparticle::mAntiLambda < v0Sel.invMassAntiV0Max);

Partition<FilteredFDMcParts> partitionMcK0Short = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kV0K0Short)) &&
((aod::femtodreamparticle::cut & v0Sel.cutBit) == v0Sel.cutBit) &&
(aod::femtodreamparticle::pt > v0Sel.ptV0Min) &&
(aod::femtodreamparticle::pt < v0Sel.ptV0Max) &&
(aod::femtodreamparticle::eta > v0Sel.etaV0Min) &&
(aod::femtodreamparticle::eta < v0Sel.etaV0Max) &&
(aod::femtodreamparticle::mLambda > v0Sel.invMassV0Min) &&
(aod::femtodreamparticle::mLambda < v0Sel.invMassV0Max) &&
(aod::femtodreamparticle::mAntiLambda > v0Sel.invMassAntiV0Min) &&
(aod::femtodreamparticle::mAntiLambda < v0Sel.invMassAntiV0Max);
Partition<FDMcV0Particles> partitionMcK0Short = (aod::femtodreamparticle::partType == uint8_t(aod::femtodreamparticle::ParticleType::kV0K0Short)) &&
((aod::femtodreamparticle::cut & v0Sel.cutBit) == v0Sel.cutBit) &&
(aod::femtodreamparticle::pt > v0Sel.ptV0Min) &&
(aod::femtodreamparticle::pt < v0Sel.ptV0Max) &&
(aod::femtodreamparticle::eta > v0Sel.etaV0Min) &&
(aod::femtodreamparticle::eta < v0Sel.etaV0Max) &&
(aod::femtodreamparticle::mLambda > v0Sel.invMassV0Min) &&
(aod::femtodreamparticle::mLambda < v0Sel.invMassV0Max) &&
(aod::femtodreamparticle::mAntiLambda > v0Sel.invMassAntiV0Min) &&
(aod::femtodreamparticle::mAntiLambda < v0Sel.invMassAntiV0Max);

/// Partition for particle 2
Partition<FilteredCharmCand3Prongs> partitionCharmHadron3Prong = aod::fdhf::bdtBkg < charmSel.charmHadBkgBDTmax && aod::fdhf::bdtFD < charmSel.charmHadFdBDTmax && aod::fdhf::bdtFD > charmSel.charmHadFdBDTmin&& aod::fdhf::bdtPrompt<charmSel.charmHadPromptBDTmax && aod::fdhf::bdtPrompt> charmSel.charmHadPromptBDTmin;
Expand Down Expand Up @@ -930,7 +930,7 @@ struct HfTaskCharmHadronsV0FemtoDream {
PROCESS_SWITCH(HfTaskCharmHadronsV0FemtoDream, processDataDstarV0, "Enable processing DstarToD0Pi and V0 correlation", false);

void processMcDplusV0(FilteredMcCollisions const& cols,
FilteredFDMcParts const& parts,
FDMcV0Particles const& parts,
o2::aod::FDMCParticles const&,
o2::aod::FDExtMCParticles const&,
FilteredCharmMcCand3Prongs const&)
Expand Down
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