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[PWGHF] Xic0 update #15487

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Merged
zhangbiao-phy merged 1 commit into from
Mar 23, 2026
Merged

[PWGHF] Xic0 update #15487

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15 changes: 9 additions & 6 deletions PWGHF/TableProducer/candidateCreatorXic0Omegac0Qa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -994,6 +994,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
kfCasc.Construct(cascDaughters, 2);
} catch (std::runtime_error& e) {
LOG(debug) << "Failed to construct Cascade: " << e.what();
continue;
}

float massCasc, sigMassCasc, massCascRej, sigMassCascRej;
Expand All @@ -1002,7 +1003,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
if (sigMassCasc <= 0) {
continue;
}
if (std::abs(massCasc - massCasc) > configs.massToleranceCascade) {
if (std::abs(massCasc - massOfCascade) > configs.massToleranceCascade) {
continue;
}
if (kfCasc.GetNDF() <= 0 || kfCasc.GetChi2() <= 0) {
Expand All @@ -1016,6 +1017,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
kfCascRej.Construct(cascDaughtersRej, 2);
} catch (std::runtime_error& e) {
LOG(debug) << "Failed to construct Cascade_rej: " << e.what();
continue;
}

kfCascRej.GetMass(massCascRej, sigMassCascRej);
Expand All @@ -1041,6 +1043,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
kfCharmBaryon.Construct(charmBaryonDaughters, 2);
} catch (std::runtime_error& e) {
LOG(debug) << "Failed to construct Charm baryon: " << e.what();
continue;
}

float massCharmBaryon, sigMassCharmBaryon;
Expand Down Expand Up @@ -1071,7 +1074,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
// To Casc
KFParticle kfBachToCasc = kfBach;
KFParticle kfV0ToCasc = kfV0;
kfBach.SetProductionVertex(kfCasc);
kfBachToCasc.SetProductionVertex(kfCasc);
kfV0ToCasc.SetProductionVertex(kfCasc);

// To Charm baryon
Expand Down Expand Up @@ -1099,7 +1102,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
std::array<float, 3> pVecV0 = {kfV0.GetPx(), kfV0.GetPy(), kfV0.GetPz()};
std::array<float, 3> pVecBach = {kfBachToCasc.GetPx(), kfBachToCasc.GetPy(), kfBachToCasc.GetPz()};
std::array<float, 3> pVecCharmBachelorAsD = {kfCharmBachToCharmBaryon.GetPx(), kfCharmBachToCharmBaryon.GetPy(), kfCharmBachToCharmBaryon.GetPz()};
std::array<float, 3> pVecCharmBaryon = {kfCharmBaryon.GetPx(), kfCharmBaryon.GetPy(), kfCharmBaryon.GetPy()};
std::array<float, 3> pVecCharmBaryon = {kfCharmBaryon.GetPx(), kfCharmBaryon.GetPy(), kfCharmBaryon.GetPz()};

auto* covVtxCharmBaryon = kfCharmBaryon.CovarianceMatrix();
float covMatrixPv[6];
Expand Down Expand Up @@ -1146,8 +1149,8 @@ struct HfCandidateCreatorXic0Omegac0Qa {
float chi2NdfTopoCharmBaryonToPv = kfCharmBaryonToPv.GetChi2() / kfCharmBaryonToPv.GetNDF();
float chi2NdfTopoBachToCasc = kfBachToCasc.GetChi2() / kfBachToCasc.GetNDF();
float chi2NdfTopoV0ToCasc = kfV0ToCasc.GetChi2() / kfV0ToCasc.GetNDF();
float chi2NdfTopoCharmBachToCharmBaryon = kfCharmBachToCharmBaryon.GetChi2() / kfCharmBachToCharmBaryon.GetChi2();
float chi2NdfTopoCascToCharmBaryon = kfCascToCharmBaryon.GetChi2() / kfCascToCharmBaryon.GetChi2();
float chi2NdfTopoCharmBachToCharmBaryon = kfCharmBachToCharmBaryon.GetChi2() / kfCharmBachToCharmBaryon.GetNDF();
float chi2NdfTopoCascToCharmBaryon = kfCascToCharmBaryon.GetChi2() / kfCascToCharmBaryon.GetNDF();

// get ldl
float ldlV0 = ldlFromKF(kfV0, kfPv);
Expand Down Expand Up @@ -1177,7 +1180,7 @@ struct HfCandidateCreatorXic0Omegac0Qa {
float decayLCharmBaryon = RecoDecay::distance(std::array<float, 3>{collision.posX(), collision.posY(), collision.posZ()}, std::array<float, 3>{kfCharmBaryon.GetX(), kfCharmBaryon.GetY(), kfCharmBaryon.GetZ()});

double phiCharmBaryon, thetaCharmBaryon;
getPointDirection(std::array<float, 3>{kfV0.GetX(), kfV0.GetY(), kfV0.GetZ()}, std::array<float, 3>{kfCharmBaryon.GetX(), kfCharmBaryon.GetY(), kfCharmBaryon.GetZ()}, phiCharmBaryon, thetaCharmBaryon);
getPointDirection(std::array<float, 3>{primaryVertex.getX(), primaryVertex.getY(), primaryVertex.getZ()}, std::array<float, 3>{kfCharmBaryon.GetX(), kfCharmBaryon.GetY(), kfCharmBaryon.GetZ()}, phiCharmBaryon, thetaCharmBaryon);
float errDecayLCharmBaryon = std::sqrt(getRotatedCovMatrixXX(covMatrixPv, phiCharmBaryon, thetaCharmBaryon) + getRotatedCovMatrixXX(covVtxCharmBaryon, phiCharmBaryon, thetaCharmBaryon));

// get cosine of pointing angle
Expand Down
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