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[ALICE3] Fix for lambda and anti-lambda mass window checks in strangeness finder #17362

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Merged
jesgum merged 1 commit into from
Aug 6, 2026
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[ALICE3] Fix for lambda and anti-lambda mass window checks in strangeness finder #17362

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4 changes: 2 additions & 2 deletions ALICE3/TableProducer/alice3strangenessFinder.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@
#include <ReconstructionDataFormats/TrackParametrization.h>

#include <TH1.h>
#include <TLorentzVector.h>

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
#include <TPDGCode.h>

#include <sys/types.h>
Expand Down Expand Up @@ -367,7 +367,7 @@
[[nodiscard]] float getFirstLayerHitRadius(const TTrackType& track, const std::vector<float>& layers)
{
const float trueRadius = std::hypot(track.x(), track.y());
for (const float layerRadius : layers) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (layerRadius >= trueRadius) {
return layerRadius;
}
Expand Down Expand Up @@ -607,11 +607,11 @@
}

histos.fill(HIST("hCascadeBuilding"), 1.0);
if (inLambdaMassWindow && bachTrack.sign() > 0) {
if (!inLambdaMassWindow && bachTrack.sign() < 0) {
continue; // only consider lambda and neg bach track
}

if (inAntiLambdaMassWindow && bachTrack.sign() < 0) {
if (!inAntiLambdaMassWindow && bachTrack.sign() > 0) {
continue; // only consider anti-lambda and pos bach track
}

Expand Down Expand Up @@ -755,12 +755,12 @@
v0DecayVertex.push_back(negParticle.vx());
v0DecayVertex.push_back(negParticle.vy());
v0DecayVertex.push_back(negParticle.vz());
TLorentzVector posLorVector = {posParticle.px(), posParticle.py(), posParticle.pz(), posParticle.e()};

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
TLorentzVector negLorVector = {negParticle.px(), negParticle.py(), negParticle.pz(), negParticle.e()};

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
o2::track::TrackParCov posParCov;
o2::track::TrackParCov negParCov;
o2::upgrade::convertTLorentzVectorToO2Track(1, posLorVector, v0DecayVertex, posParCov);

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
o2::upgrade::convertTLorentzVectorToO2Track(-1, negLorVector, v0DecayVertex, negParCov);

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
if (!buildDecayCandidateTwoBody(posParCov, negParCov, vtx, v0cand)) {
continue;
}
Expand Down
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