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[PWGHF] Add HypothesisMask and CandidateGlobalIndex columns in the Cd task #17761

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[PWGHF] Add HypothesisMask and CandidateGlobalIndex columns in the Cd task #17761

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0fd546b
Add HypothesisMask and CandidateGlobalIndex columns
zhangbiao-phy Sep 3, 2026
9ed5b9f
Please consider the following formatting changes
alibuild Sep 3, 2026
2991691
Merge pull request #83 from alibuild/alibot-cleanup-17761
zhangbiao-phy Sep 3, 2026
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25 changes: 21 additions & 4 deletions PWGHF/D2H/Tasks/taskCd.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,8 @@ DECLARE_SOA_COLUMN(CandidateSelFlag, candidateSelFlag, int8_t); //! Candidat
DECLARE_SOA_COLUMN(CandidateSign, candidateSign, int8_t); //! Candidates sign
DECLARE_SOA_COLUMN(FlagMc, flagMc, int8_t); //! Main MC decay-channel flag; 0 for unmatched candidates
DECLARE_SOA_COLUMN(IsCandidateSwapped, isCandidateSwapped, int8_t); //! MC-matched prong permutation; -1 for data
DECLARE_SOA_COLUMN(HypothesisMask, hypothesisMask, uint8_t); //! Bit 0: DeKPi selected; bit 1: PiKDe selected
DECLARE_SOA_COLUMN(CandidateGlobalIndex, candidateGlobalIndex, int64_t); //! Input candidate index, shared by rows from the same candidate
DECLARE_SOA_COLUMN(OriginMcRec, originMcRec, int8_t); //! MC origin for reconstructed candidates
DECLARE_SOA_COLUMN(FlagMcDecayChanRec, flagMcDecayChanRec, int8_t); //! Resonant MC decay channel for reconstructed candidates
DECLARE_SOA_COLUMN(OriginMcGen, originMcGen, int8_t); //! MC origin for generated particles
Expand Down Expand Up @@ -158,6 +160,9 @@ DECLARE_SOA_TABLE(HfCandCdLite, "AOD", "HFCANDCDLITE",
full::CandidateSelFlag,
full::CandidateSign,
full::FlagMc,
full::IsCandidateSwapped,
full::HypothesisMask,
full::CandidateGlobalIndex,
full::OriginMcRec,
full::FlagMcDecayChanRec,
full::CtGen,
Expand Down Expand Up @@ -196,6 +201,8 @@ DECLARE_SOA_TABLE(HfCandCdFull, "AOD", "HFCANDCDFULL",
full::CandidateSign,
full::FlagMc,
full::IsCandidateSwapped,
full::HypothesisMask,
full::CandidateGlobalIndex,
full::OriginMcRec,
full::FlagMcDecayChanRec,
full::CtGen,
Expand Down Expand Up @@ -535,18 +542,25 @@ struct HfTaskCd {

float ctGen{-1.f}, ptGen{-1.f};
int pdgCodeProng0{0};
int8_t isCandidateSwapped{-1};
if (isTrueCd) {
const auto& mcParticleProng0 = candidate.template prong0_as<HFTracksMc>().template mcParticle_as<CandCdMcGen>();
pdgCodeProng0 = std::abs(mcParticleProng0.pdgCode());
isCandidateSwapped = static_cast<int8_t>(pdgCodeProng0 == kPiPlus);
const auto indexMother = RecoDecay::getMother(mcParticles, mcParticleProng0, o2::constants::physics::Pdg::kCDeuteron, true);
const auto particleMother = mcParticles.rawIteratorAt(indexMother);
ctGen = RecoDecay::ct(std::array{particleMother.px(), particleMother.py(), particleMother.pz()}, RecoDecay::distance(std::array{particleMother.vx(), particleMother.vy(), particleMother.vz()}, std::array{mcParticleProng0.vx(), mcParticleProng0.vy(), mcParticleProng0.vz()}), o2::constants::physics::MassCDeuteron) * CmToMum;
ptGen = particleMother.pt();
} else if (absFlagMc != 0) {
isCandidateSwapped = candidate.isCandidateSwapped();
}

if (fillCandLiteTree || fillCandFullTree) {
const bool selDeKPi = (candidate.isSelCdToDeKPi() >= selectionFlagCd);
const bool selPiKDe = (candidate.isSelCdToPiKDe() >= selectionFlagCd);
const uint8_t hypothesisMask = static_cast<uint8_t>((selDeKPi ? 0x1 : 0x0) |
(selPiKDe ? 0x2 : 0x0));
const int64_t candidateGlobalIndex = candidate.globalIndex();
auto prong0 = candidate.template prong0_as<HFTracksMc>();
auto prong1 = candidate.template prong1_as<HFTracksMc>();
auto prong2 = candidate.template prong2_as<HFTracksMc>();
Expand Down Expand Up @@ -593,7 +607,7 @@ struct HfTaskCd {
nSigmaTpcDe, nSigmaTpcPr, nSigmaItsDe, nSigmaTofDe,
tofBetaDe, tpcInnerParamDe, tofExpMomDe,
candidate.ct(o2::constants::physics::MassCDeuteron) * CmToMum,
candFlag, candSign, candidate.flagMcMatchRec(), candidate.originMcRec(),
candFlag, candSign, candidate.flagMcMatchRec(), isCandidateSwapped, hypothesisMask, candidateGlobalIndex, candidate.originMcRec(),
candidate.flagMcDecayChanRec(), ctGen, o2::hf_centrality::getCentralityColl(collision));
}

Expand All @@ -608,7 +622,7 @@ struct HfTaskCd {
tofBetaDe, tpcInnerParamDe, tofExpMomDe,
nSigmaTpcPi, nSigmaTofPi, nSigmaTpcKa, nSigmaTofKa,
candidate.ct(o2::constants::physics::MassCDeuteron) * CmToMum,
candFlag, candSign, candidate.flagMcMatchRec(), candidate.isCandidateSwapped(), candidate.originMcRec(),
candFlag, candSign, candidate.flagMcMatchRec(), isCandidateSwapped, hypothesisMask, candidateGlobalIndex, candidate.originMcRec(),
candidate.flagMcDecayChanRec(), ctGen, collision.numContrib(), o2::hf_centrality::getCentralityColl(collision),
collision.posZ(), collision.globalIndex(), timeStamp);
}
Expand Down Expand Up @@ -813,6 +827,9 @@ struct HfTaskCd {
if (fillCandLiteTree || fillCandFullTree) {
const bool selDeKPi = (candidate.isSelCdToDeKPi() >= selectionFlagCd);
const bool selPiKDe = (candidate.isSelCdToPiKDe() >= selectionFlagCd);
const uint8_t hypothesisMask = static_cast<uint8_t>((selDeKPi ? 0x1 : 0x0) |
(selPiKDe ? 0x2 : 0x0));
const int64_t candidateGlobalIndex = candidate.globalIndex();
auto prong0 = candidate.template prong0_as<TrackType>();
auto prong1 = candidate.template prong1_as<TrackType>();
auto prong2 = candidate.template prong2_as<TrackType>();
Expand Down Expand Up @@ -874,7 +891,7 @@ struct HfTaskCd {
decayLength, cpa, chi2PCA, nSigmaTpcDe, nSigmaTpcPr, nSigmaItsDe, nSigmaTofDe,
tofBetaDe, tpcInnerParamDe, tofExpMomDe,
candidate.ct(o2::constants::physics::MassCDeuteron),
candFlag, candSign, 0, 0, -1, -1.f, cent);
candFlag, candSign, 0, -1, hypothesisMask, candidateGlobalIndex, 0, -1, -1.f, cent);
}

if (fillCandFullTree) {
Expand All @@ -887,7 +904,7 @@ struct HfTaskCd {
tofBetaDe, tpcInnerParamDe, tofExpMomDe,
nSigmaTpcPi, nSigmaTofPi, nSigmaTpcKa, nSigmaTofKa,
candidate.ct(o2::constants::physics::MassCDeuteron),
candFlag, candSign, 0, -1, 0, 0, -1.f, collision.numContrib(), cent,
candFlag, candSign, 0, -1, hypothesisMask, candidateGlobalIndex, 0, 0, -1.f, collision.numContrib(), cent,
collision.posZ(), collision.globalIndex(), timeStamp);
}
};
Expand Down
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