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[PWGLF] Fix filling of weak decaying daughters #12347

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Merged
fmazzasc merged 1 commit into from
Jul 31, 2025
Merged

[PWGLF] Fix filling of weak decaying daughters #12347

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7 changes: 6 additions & 1 deletion PWGLF/TableProducer/Nuspex/nucleiSpectra.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@

#include "Math/Vector4D.h"
#include "TRandom3.h"
#include <TMCProcess.h>

#include <algorithm>
#include <cmath>
Expand Down Expand Up @@ -355,7 +356,7 @@
float dauVtx[3]{0.f, 0.f, 0.f};
auto daughters = particle.daughters_as<aod::McParticles>();
for (const auto& dau : daughters) {
if (abs(dau.pdgCode()) != 22 && abs(dau.pdgCode()) != 11) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.

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[std-prefix] 

Use std:: prefix for names from the std namespace.
dauVtx[0] = dau.vx();
dauVtx[1] = dau.vy();
dauVtx[2] = dau.vz();
Expand Down Expand Up @@ -604,7 +605,7 @@
{nuclei::charges[4] * cfgMomentumScalingBetheBloch->get(3u, 0u) / nuclei::masses[4], nuclei::charges[4] * cfgMomentumScalingBetheBloch->get(3u, 1u) / nuclei::masses[4]}};

int nGloTracks[2]{0, 0}, nTOFTracks[2]{0, 0};
for (auto& track : tracks) { // start loop over tracks

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (std::abs(track.eta()) > cfgCutEta ||
track.tpcInnerParam() < cfgCutTpcMom ||
track.itsNCls() < cfgCutNclusITS ||
Expand Down Expand Up @@ -844,7 +845,7 @@
return;
}
fillDataInfo(collision, tracks);
for (auto& c : nuclei::candidates) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (c.fillTree) {
nucleiTable(c.pt, c.eta, c.phi, c.tpcInnerParam, c.beta, c.zVertex, c.nContrib, c.DCAxy, c.DCAz, c.TPCsignal, c.ITSchi2, c.TPCchi2, c.TOFchi2, c.flags, c.TPCfindableCls, c.TPCcrossedRows, c.ITSclsMap, c.TPCnCls, c.TPCnClsShared, c.clusterSizesITS);
}
Expand All @@ -856,7 +857,7 @@
}
}
}
for (auto& c : nuclei::candidates_flow) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nucleiTableFlow(c.centFV0A, c.centFT0M, c.centFT0A, c.centFT0C, c.psiFT0A, c.psiFT0C, c.psiTPC, c.psiTPCl, c.psiTPCr, c.qFT0A, c.qFT0C, c.qTPC, c.qTPCl, c.qTPCr);
}
}
Expand All @@ -873,7 +874,7 @@
return;
}
fillDataInfo(collision, tracks);
for (auto& c : nuclei::candidates) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (c.fillTree) {
nucleiTable(c.pt, c.eta, c.phi, c.tpcInnerParam, c.beta, c.zVertex, c.nContrib, c.DCAxy, c.DCAz, c.TPCsignal, c.ITSchi2, c.TPCchi2, c.TOFchi2, c.flags, c.TPCfindableCls, c.TPCcrossedRows, c.ITSclsMap, c.TPCnCls, c.TPCnClsShared, c.clusterSizesITS);
}
Expand All @@ -885,7 +886,7 @@
}
}
}
for (auto& c : nuclei::candidates_flow) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nucleiTableFlow(c.centFV0A, c.centFT0M, c.centFT0A, c.centFT0C, c.psiFT0A, c.psiFT0C, c.psiTPC, c.psiTPCl, c.psiTPCr, c.qFT0A, c.qFT0C, c.qTPC, c.qTPCl, c.qTPCr);
}
}
Expand All @@ -895,11 +896,11 @@
void processMC(soa::Join<aod::Collisions, aod::EvSels, aod::McCollisionLabels> const& collisions, aod::McCollisions const& mcCollisions, soa::Join<TrackCandidates, aod::McTrackLabels> const& tracks, aod::McParticles const& particlesMC, aod::BCsWithTimestamps const&)
{
nuclei::candidates.clear();
for (auto& c : mcCollisions) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
spectra.fill(HIST("hGenVtxZ"), c.posZ());
}
std::vector<bool> goodCollisions(mcCollisions.size(), false);
for (auto& collision : collisions) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (!eventSelection(collision)) {
continue;
}
Expand All @@ -908,7 +909,7 @@
fillDataInfo(collision, slicedTracks);
}
std::vector<bool> isReconstructed(particlesMC.size(), false);
for (auto& c : nuclei::candidates) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
auto label = tracks.iteratorAt(c.globalIndex);
if (label.mcParticleId() < -1 || label.mcParticleId() >= particlesMC.size()) {
continue;
Expand Down Expand Up @@ -988,6 +989,7 @@
if (particle.isPhysicalPrimary()) {
flags |= kIsPhysicalPrimary;
nuclei::hGenNuclei[iS][particle.pdgCode() < 0]->Fill(1., particle.pt());
// antinuclei from B hadrons are classified as physical primaries
if (particle.has_mothers()) {
for (auto& motherparticle : particle.mothers_as<aod::McParticles>()) {
if (std::find(nuclei::hfMothCodes.begin(), nuclei::hfMothCodes.end(), std::abs(motherparticle.pdgCode())) != nuclei::hfMothCodes.end()) {
Expand All @@ -998,7 +1000,10 @@
}
}
}
} else if (particle.has_mothers()) {
} else if (particle.getProcess() == TMCProcess::kPDecay) {
if (!particle.has_mothers()) {
continue; // skip secondaries from weak decay without mothers
}
flags |= kIsSecondaryFromWeakDecay;
for (auto& motherparticle : particle.mothers_as<aod::McParticles>()) {
motherPdgCode = motherparticle.pdgCode();
Expand Down
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