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[PWGHF] Remove propagateTracksToVertex also for other HF creators #14541

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Merged
fgrosa merged 6 commits into from
Jan 20, 2026
Merged

[PWGHF] Remove propagateTracksToVertex also for other HF creators #14541

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035e623
Remove propagateTracksToVertex also for pK0S
fgrosa Jan 19, 2026
da5fd7e
Remove obsolete configurable
fgrosa Jan 19, 2026
39ec023
Remove propagteTracksToVertex in HF code and rely on propagateToPCA
fgrosa Jan 19, 2026
9e03b66
Apply change also to Tcc tree creator
fgrosa Jan 19, 2026
2b4c28f
Change default value of configurable for propagateToPCA
fgrosa Jan 19, 2026
0e2b74d
Remove leftover
fgrosa Jan 19, 2026
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6 changes: 2 additions & 4 deletions PWGHF/D2H/TableProducer/candidateCreatorB0Reduced.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -192,8 +192,7 @@
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate D and Pi to the B0 vertex
df3.propagateTracksToVertex();
// get D and Pi tracks (propagated to the B0 vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df3.getTrack(0).getPxPyPzGlo(pVecD0); // momentum of D at the B0 vertex
df3.getTrack(1).getPxPyPzGlo(pVecSoftPion); // momentum of SoftPi at the B0 vertex
Expand Down Expand Up @@ -299,8 +298,7 @@
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate D and Pi to the B0 vertex
df2.propagateTracksToVertex();
// get D and Pi tracks (propagated to the B0 vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df2.getTrack(0).getPxPyPzGlo(pVecD); // momentum of D at the B0 vertex
df2.getTrack(1).getPxPyPzGlo(pVecPion); // momentum of Pi at the B0 vertex
Expand Down Expand Up @@ -365,7 +363,7 @@
auto candsDThisColl = candsD.sliceBy(candsDplusPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreation<false>(collision, candsDThisColl, tracksPionThisCollision, invMass2DPiMin, invMass2DPiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
Expand Down Expand Up @@ -399,7 +397,7 @@
auto candsDThisColl = candsD.sliceBy(candsDplusPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreation<true>(collision, candsDThisColl, tracksPionThisCollision, invMass2DPiMin, invMass2DPiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
Expand Down Expand Up @@ -434,7 +432,7 @@
auto candsDThisColl = candsD.sliceBy(candsDstarPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreationDStar<false>(collision, candsDThisColl, softPions, tracksPionThisCollision, invMass2DPiMin, invMass2DPiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
Expand Down Expand Up @@ -469,7 +467,7 @@
auto candsDThisColl = candsD.sliceBy(candsDstarWithMlPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreationDStar<true>(collision, candsDThisColl, softPions, tracksPionThisCollision, invMass2DPiMin, invMass2DPiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
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6 changes: 2 additions & 4 deletions PWGHF/D2H/TableProducer/candidateCreatorBToJpsiReduced.cxx
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Expand Up @@ -238,8 +238,7 @@ struct HfCandidateCreatorBToJpsiReduced {
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate Jpsi daugthers and K to the B+ vertex
df3.propagateTracksToVertex();
// get JPsi daughters and K tracks (propagated to the B+ vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df3.getTrack(0).getPxPyPzGlo(pVecDauPos); // momentum of positive Jpsi daughter at the B+ vertex
df3.getTrack(1).getPxPyPzGlo(pVecDauNeg); // momentum of negative Jpsi daughter at the B+ vertex
Expand Down Expand Up @@ -309,8 +308,7 @@ struct HfCandidateCreatorBToJpsiReduced {
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate Jpsi and phi to the Bs vertex
df4.propagateTracksToVertex();
// get JPsi daughters and K tracks (propagated to the Bs vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df4.getTrack(0).getPxPyPzGlo(pVecDauPos); // momentum of Jpsi at the B+ vertex
df4.getTrack(1).getPxPyPzGlo(pVecDauNeg); // momentum of Jpsi at the B+ vertex
Expand Down
3 changes: 1 addition & 2 deletions PWGHF/D2H/TableProducer/candidateCreatorBplusReduced.cxx
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Expand Up @@ -169,8 +169,7 @@
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate D0 and Pi to the B+ vertex
df2.propagateTracksToVertex();
// get D and Pi tracks (propagated to the B+ vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df2.getTrack(0).getPxPyPzGlo(pVecD0); // momentum of D0 at the B+ vertex
df2.getTrack(1).getPxPyPzGlo(pVecPion); // momentum of Pi at the B+ vertex
Expand Down Expand Up @@ -240,7 +239,7 @@
auto candsDThisColl = candsD.sliceBy(candsDPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreation<false>(collision, candsDThisColl, tracksPionThisCollision, invMass2D0PiMin, invMass2D0PiMax);
if (ncol % 10000 == 0) {

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Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOG(debug) << ncol << " collisions parsed";
}
ncol++;
Expand Down Expand Up @@ -274,7 +273,7 @@
auto candsDThisColl = candsD.sliceBy(candsDPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreation<true>(collision, candsDThisColl, tracksPionThisCollision, invMass2D0PiMin, invMass2D0PiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
Expand Down
3 changes: 1 addition & 2 deletions PWGHF/D2H/TableProducer/candidateCreatorBsReduced.cxx
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Expand Up @@ -169,8 +169,7 @@
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate Ds and Pi to the Bs vertex
df2.propagateTracksToVertex();
// get Ds and Pi tracks (propagated to the B0 vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df2.getTrack(0).getPxPyPzGlo(pVecD); // momentum of Ds at the Bs vertex
df2.getTrack(1).getPxPyPzGlo(pVecPion); // momentum of Pi at the Bs vertex
Expand Down Expand Up @@ -240,7 +239,7 @@
auto candsDThisColl = candsD.sliceBy(candsDPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreation<false>(collision, candsDThisColl, tracksPionThisCollision, invMass2DPiMin, invMass2DPiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
Expand Down Expand Up @@ -274,7 +273,7 @@
auto candsDThisColl = candsD.sliceBy(candsDPerCollision, thisCollId);
auto tracksPionThisCollision = tracksPion.sliceBy(tracksPionPerCollision, thisCollId);
runCandidateCreation<true>(collision, candsDThisColl, tracksPionThisCollision, invMass2DPiMin, invMass2DPiMax);
if (ncol % 10000 == 0) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGP(debug, "collisions parsed {}", ncol);
}
ncol++;
Expand Down
3 changes: 1 addition & 2 deletions PWGHF/D2H/TableProducer/candidateCreatorLbReduced.cxx
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Expand Up @@ -189,8 +189,7 @@ struct HfCandidateCreatorLbReduced {
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]);
registry.fill(HIST("hCovPVXX"), covMatrixPV[0]);

// propagate Lc and Pi to the Lb vertex
df2.propagateTracksToVertex();
// get Lc and Pi tracks (propagated to the Lb vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df2.getTrack(0).getPxPyPzGlo(pVecLc); // momentum of Lc at the Lb vertex
df2.getTrack(1).getPxPyPzGlo(pVecPion); // momentum of Pi at the Lb vertex
Expand Down
2 changes: 0 additions & 2 deletions PWGHF/D2H/TableProducer/dataCreatorJpsiHadReduced.cxx
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Expand Up @@ -881,7 +881,6 @@ struct HfDataCreatorJpsiHadReduced {
std::array<float, 3> pVecBPlus{}, pVec0{}, pVec1{}, pVec2{};

auto secondaryVertexBPlus = df3.getPCACandidate();
df3.propagateTracksToVertex();
df3.getTrack(0).getPxPyPzGlo(pVec0);
df3.getTrack(1).getPxPyPzGlo(pVec1);
df3.getTrack(2).getPxPyPzGlo(pVec2);
Expand Down Expand Up @@ -969,7 +968,6 @@ struct HfDataCreatorJpsiHadReduced {
std::array<float, 3> pVecBS{}, pVec0{}, pVec1{}, pVecPhi{};

auto secondaryVertexBS = df4.getPCACandidate();
df4.propagateTracksToVertex();
df4.getTrack(0).getPxPyPzGlo(pVec0);
df4.getTrack(1).getPxPyPzGlo(pVec1);
df4.getTrack(2).getPxPyPzGlo(pVec2);
Expand Down
3 changes: 1 addition & 2 deletions PWGHF/TableProducer/candidateCreatorB0.cxx
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Expand Up @@ -207,7 +207,7 @@
auto primaryVertex = getPrimaryVertex(collision);
auto covMatrixPV = primaryVertex.getCov();

if (ncol % 10000 == 0) {

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Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOG(debug) << ncol << " collisions parsed";
}
ncol++;
Expand Down Expand Up @@ -345,8 +345,7 @@
hCovSVXX->Fill(covMatrixPCA[0]);
hCovPVXX->Fill(covMatrixPV[0]);

// propagate D and Pi to the B0 vertex
df2.propagateTracksToVertex();
// get D and Pi tracks (propagated to the B0 vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df2.getTrack(0).getPxPyPzGlo(pVecD); // momentum of D at the B0 vertex
df2.getTrack(1).getPxPyPzGlo(pVecPion); // momentum of Pi at the B0 vertex
Expand Down
2 changes: 1 addition & 1 deletion PWGHF/TableProducer/candidateCreatorBplus.cxx
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Expand Up @@ -326,7 +326,7 @@ struct HfCandidateCreatorBplus {
}
hCandidatesB->Fill(SVFitting::FitOk);

dfB.propagateTracksToVertex(); // propagate the bachelor and D0 to the B+ vertex
// get D and Pi tracks (propagated to the B+ vertex if propagateToPCA==true)
trackD0.getPxPyPzGlo(pVecD0); // momentum of D0 at the B+ vertex
trackParCovPi.getPxPyPzGlo(pVecBach); // momentum of pi+ at the B+ vertex

Expand Down
3 changes: 1 addition & 2 deletions PWGHF/TableProducer/candidateCreatorBs.cxx
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Expand Up @@ -324,8 +324,7 @@
auto chi2PCA = df2.getChi2AtPCACandidate();
auto covMatrixPCA = df2.calcPCACovMatrixFlat();

// propagate Ds and Pi to the Bs vertex
df2.propagateTracksToVertex();
// get Ds and Pi tracks (propagated to the Bs vertex if propagateToPCA==true)
// track.getPxPyPzGlo(pVec) modifies pVec of track
df2.getTrack(0).getPxPyPzGlo(pVecDs); // momentum of Ds at the Bs vertex
df2.getTrack(1).getPxPyPzGlo(pVecPion); // momentum of Pi at the Bs vertex
Expand Down Expand Up @@ -418,7 +417,7 @@
indexRec = RecoDecay::getMatchedMCRec(mcParticles, arrayDaughtersDs, Pdg::kDSBar, std::array{-kKPlus, +kKPlus, -kPiPlus}, true, &sign, 2);
if (indexRec > -1) {
RecoDecay::getDaughters(mcParticles.rawIteratorAt(indexRec), &arrDaughDsIndex, std::array{0}, 1);
if (arrDaughDsIndex.size() == 2) {

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for (auto iProng = 0u; iProng < arrDaughDsIndex.size(); ++iProng) {
auto daughI = mcParticles.rawIteratorAt(arrDaughDsIndex[iProng]);
arrPDGDaughDs[iProng] = std::abs(daughI.pdgCode());
Expand Down
1 change: 0 additions & 1 deletion PWGHF/TableProducer/candidateCreatorCascade.cxx
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Expand Up @@ -277,7 +277,6 @@ struct HfCandidateCreatorCascade {
auto chi2PCA = df.getChi2AtPCACandidate();
auto covMatrixPCA = df.calcPCACovMatrixFlat();
registry.fill(HIST("hCovSVXX"), covMatrixPCA[0]); // FIXME: Calculation of errorDecayLength(XY) gives wrong values without this line.
// do I have to call "df.propagateTracksToVertex();"?
auto trackParVarV0 = df.getTrack(0);
auto trackParVarBach = df.getTrack(1);

Expand Down
2 changes: 0 additions & 2 deletions PWGHF/TableProducer/candidateCreatorDstar.cxx
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Expand Up @@ -286,8 +286,6 @@ struct HfCandidateCreatorDstar {
registry.fill(HIST("Refit/hCovSVXZ"), covMatrixPCA[3]);
registry.fill(HIST("Refit/hCovSVZZ"), covMatrixPCA[5]);

// Doubt:................Below, track object are at secondary vertex!
// < track param propagated to V0 candidate (no check for the candidate validity). propagateTracksToVertex must be called in advance
auto trackD0ProngParVar0 = df.getTrack(0);
auto trackD0ProngParVar1 = df.getTrack(1);

Expand Down
2 changes: 1 addition & 1 deletion PWGHF/TableProducer/candidateCreatorLb.cxx
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Expand Up @@ -215,7 +215,7 @@ struct HfCandidateCreatorLb {
auto chi2PCA = df2.getChi2AtPCACandidate();
auto covMatrixPCA = df2.calcPCACovMatrixFlat();

df2.propagateTracksToVertex();
// get Lc and Pi tracks (propagated to the Lb vertex if propagateToPCA==true)
df2.getTrack(0).getPxPyPzGlo(pvecLc);
df2.getTrack(1).getPxPyPzGlo(pvecPion);

Expand Down
7 changes: 1 addition & 6 deletions PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx
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Expand Up @@ -105,7 +105,7 @@ struct HfCandidateCreatorXic0Omegac0 {
Produces<aod::HfCandToXiPiKfQa> rowKfXic0Qa;
Produces<aod::HfCandToOmegaKaKf> kfCandidateOmegaKaData;

Configurable<bool> propagateToPCA{"propagateToPCA", false, "create tracks version propagated to PCA"};
Configurable<bool> propagateToPCA{"propagateToPCA", true, "create tracks version propagated to PCA"};
Configurable<bool> useAbsDCA{"useAbsDCA", true, "Minimise abs. distance rather than chi2"};
Configurable<bool> useWeightedFinalPCA{"useWeightedFinalPCA", true, "Recalculate vertex position using track covariances, effective only if useAbsDCA is true"};
Configurable<double> maxR{"maxR", 200., "reject PCA's above this radius"};
Expand All @@ -114,7 +114,6 @@ struct HfCandidateCreatorXic0Omegac0 {
Configurable<double> minParamChange{"minParamChange", 1.e-3, "stop iterations if largest change of any X is smaller than this"};
Configurable<double> minRelChi2Change{"minRelChi2Change", 0.9, "stop iterations is chi2/chi2old > this"};
Configurable<double> maxChi2{"maxChi2", 100., "discard vertices with chi2/Nprongs > this (or sum{DCAi^2}/Nprongs for abs. distance minimization)"};
Configurable<bool> refitWithMatCorr{"refitWithMatCorr", true, "when doing propagateTracksToVertex, propagate tracks to vtx with material corrections and rerun minimization"};
Configurable<bool> rejDiffCollTrack{"rejDiffCollTrack", true, "Reject tracks coming from different collisions"};
Configurable<bool> fillAllHist{"fillAllHist", true, "Fill additional KF histograms to check selector cuts"};
Configurable<bool> doCascadePreselection{"doCascadePreselection", true, "Use invariant mass and dcaXY cuts to preselect cascade candidates"};
Expand Down Expand Up @@ -545,10 +544,6 @@ struct HfCandidateCreatorXic0Omegac0 {
auto vertexCharmBaryonFromFitter = df.getPCACandidate();
std::array<float, 3> pVecCascAsD{};
std::array<float, 3> pVecCharmBachelorAsD{};
df.propagateTracksToVertex();
if (!df.isPropagateTracksToVertexDone()) {
continue;
}
df.getTrack(0).getPxPyPzGlo(pVecCascAsD);
df.getTrack(1).getPxPyPzGlo(pVecCharmBachelorAsD);
std::array<float, 3> pVecCharmBaryon = {pVecCascAsD[0] + pVecCharmBachelorAsD[0], pVecCascAsD[1] + pVecCharmBachelorAsD[1], pVecCascAsD[2] + pVecCharmBachelorAsD[2]};
Expand Down
1 change: 0 additions & 1 deletion PWGHF/TableProducer/candidateCreatorXicc.cxx
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Expand Up @@ -173,7 +173,6 @@ struct HfCandidateCreatorXicc {
auto chi2PCA = df2.getChi2AtPCACandidate();
auto covMatrixPCA = df2.calcPCACovMatrixFlat();

df2.propagateTracksToVertex();
df2.getTrack(0).getPxPyPzGlo(pvecxic);
df2.getTrack(1).getPxPyPzGlo(pvecpion);

Expand Down
3 changes: 0 additions & 3 deletions PWGHF/TableProducer/trackIndexSkimCreator.cxx
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Expand Up @@ -3265,7 +3265,6 @@ struct HfTrackIndexSkimCreatorCascades {
if (nCand2 == 0) {
continue;
}
df2.propagateTracksToVertex(); // propagate the bach and V0 to the Lc vertex
df2.getTrack(0).getPxPyPzGlo(pVecV0); // take the momentum at the Lc vertex
df2.getTrack(1).getPxPyPzGlo(pVecBach);
}
Expand Down Expand Up @@ -3333,7 +3332,6 @@ struct HfTrackIndexSkimCreatorLfCascades {
Configurable<double> minParamChange{"minParamChange", 1.e-3, "stop iterations if largest change of any X is smaller than this"};
Configurable<double> minRelChi2Change{"minRelChi2Change", 0.9, "stop iterations is chi2/chi2old > this"};
Configurable<double> maxChi2{"maxChi2", 100., "discard vertices with chi2/Nprongs > this (or sum{DCAi^2}/Nprongs for abs. distance minimization)"};
Configurable<bool> refitWithMatCorr{"refitWithMatCorr", true, "when doing propagateTracksToVertex, propagate tracks to vtx with material corrections and rerun minimization"};

// Selection criteria
// selections have been set to run2 lambda dedicated cuts
Expand Down Expand Up @@ -3604,7 +3602,6 @@ struct HfTrackIndexSkimCreatorLfCascades {
const auto magneticField = o2::base::Propagator::Instance()->getNominalBz(); // z component

df2.setBz(magneticField);
df2.setRefitWithMatCorr(config.refitWithMatCorr);

// cascade loop
const auto thisCollId = collision.globalIndex();
Expand Down
1 change: 0 additions & 1 deletion PWGHF/TableProducer/treeCreatorTccToD0D0Pi.cxx
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Expand Up @@ -599,7 +599,6 @@ struct HfTreeCreatorTccToD0D0Pi {
}
hCandidatesTcc->Fill(SVFitting::FitOk);

dfTcc.propagateTracksToVertex(); // propagate the softpi and D0 pair to the Tcc vertex
trackD1.getPxPyPzGlo(pVecD1); // momentum of D1 at the Tcc vertex
trackD2.getPxPyPzGlo(pVecD2); // momentum of D2 at the Tcc vertex
trackParCovPi.getPxPyPzGlo(pVecSoftPi); // momentum of pi at the Tcc vertex
Expand Down
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