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[PWGHF] Omega0: Added appropriate kfBachRej pid #18084

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Merged
fcatalan92 merged 2 commits into from
Sep 30, 2026
Merged

[PWGHF] Omega0: Added appropriate kfBachRej pid #18084

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268afbb
Added appropriate kfBachRej pid
Sep 29, 2026
b026674
Added initialization to fix MegaLinter issue
Sep 29, 2026
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10 changes: 7 additions & 3 deletions PWGHF/TableProducer/candidateCreatorXic0Omegac0Qa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {

Service<o2::ccdb::BasicCCDBManager> ccdb{};
Service<o2::framework::O2DatabasePDG> pdgdb{};
o2::base::MatLayerCylSet* lut;
o2::base::MatLayerCylSet* lut{};
o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;

// DCAFitter
Expand All @@ -259,7 +259,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
HfEventSelection hfEvSel;

// PDG Id of daughter tracks & V0s & cascades & charm baryons - Used in KFParticle
int pdgIdOfV0DauPos{}, pdgIdOfV0DauNeg{}, pdgIdOfBach{}, pdgIdOfCharmBach{};
int pdgIdOfV0DauPos{}, pdgIdOfV0DauNeg{}, pdgIdOfBach{}, pdgIdOfBachRej{}, pdgIdOfCharmBach{};
int pdgIdOfV0{}, pdgIdOfCascade{}, pdgIdOfCharmBaryon{};

// Track PID: PID value of tracks defined under o2::track::PID namespace
Expand Down Expand Up @@ -315,6 +315,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
pdgIdOfV0DauPos = kProton;
pdgIdOfV0DauNeg = kPiMinus;
pdgIdOfBach = kPiMinus;
pdgIdOfBachRej = 0; // -> Not used in XiPi channel
pdgIdOfCharmBach = kPiPlus;

pdgIdOfV0 = kLambda0;
Expand All @@ -332,6 +333,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
pdgIdOfV0DauPos = kProton;
pdgIdOfV0DauNeg = kPiMinus;
pdgIdOfBach = kKMinus;
pdgIdOfBachRej = kPiMinus;
pdgIdOfCharmBach = kPiPlus;

pdgIdOfV0 = kLambda0;
Expand All @@ -349,6 +351,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
pdgIdOfV0DauPos = kProton;
pdgIdOfV0DauNeg = kPiMinus;
pdgIdOfBach = kKMinus;
pdgIdOfBachRej = kPiMinus;
pdgIdOfCharmBach = kKPlus;

pdgIdOfV0 = kLambda0;
Expand All @@ -370,6 +373,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
LOGF(info, " PDG ID of V0 negative daughter: %d", pdgIdOfV0DauNeg);
LOGF(info, " PDG ID of V0: %d", pdgIdOfV0);
LOGF(info, " PDG ID of Bachelor: %d", pdgIdOfBach);
LOGF(info, " PDG ID of Bachelor Rej: %d", pdgIdOfBachRej);
LOGF(info, " PDG ID of Cascade: %d", pdgIdOfCascade);
LOGF(info, " PDG ID of Charm Bachelor: %d", pdgIdOfCharmBach);
LOGF(info, " PDG ID of Charm Baryon: %d", pdgIdOfCharmBaryon);
Expand Down Expand Up @@ -965,7 +969,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
KFParticle kfPos(kfTrack0, (isAnti ? -pdgIdOfV0DauNeg : pdgIdOfV0DauPos));
KFParticle kfNeg(kfTrack1, (isAnti ? -pdgIdOfV0DauPos : pdgIdOfV0DauNeg));
KFParticle kfBach(kfTrackBach, (isAnti ? -pdgIdOfBach : pdgIdOfBach));
KFParticle kfBachRej(kfTrackBach, (isAnti ? -pdgIdOfBach : pdgIdOfBach)); // Rej -> Used for Omegac0->OmegaPi only
KFParticle kfBachRej(kfTrackBach, (isAnti ? -pdgIdOfBachRej : pdgIdOfBachRej)); // Rej -> Used for Omegac0->OmegaPi only

// ~~~~~~~Construct V0 with KF~~~~~~~
const KFParticle* v0Daughters[2] = {&kfPos, &kfNeg};
Expand Down
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