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[PWGLF] Add histograms for inclusive V0s in MB events #15647

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Merged
lhusova merged 1 commit into from
Apr 7, 2026
+23 −4
Merged

[PWGLF] Add histograms for inclusive V0s in MB events #15647

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27 changes: 23 additions & 4 deletions PWGLF/Tasks/Strangeness/strangenessInJetsIons.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -458,6 +458,10 @@
registryMC.add("K0s_reconstructed_MB", "K0s_reconstructed_MB", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("Lambda_reconstructed_MB", "Lambda_reconstructed_MB", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("AntiLambda_reconstructed_MB", "AntiLambda_reconstructed_MB", HistType::kTH2F, {multAxis, ptAxis});

registryMC.add("K0s_reconstructed_MB_incl", "K0s_reconstructed_MB_incl", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("Lambda_reconstructed_MB_incl", "Lambda_reconstructed_MB_incl", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("AntiLambda_reconstructed_MB_incl", "AntiLambda_reconstructed_MB_incl", HistType::kTH2F, {multAxis, ptAxis});
}
if (particleOfInterestDict[ParticleOfInterest::kCascades]) {
registryMC.add("XiPos_reconstructed_jet", "XiPos_reconstructed_jet", HistType::kTH2F, {multAxis, ptAxis});
Expand Down Expand Up @@ -1217,10 +1221,8 @@
auto motherNeg = mcParticles.iteratorAt(negParticle.mothersIds()[0]);
if (motherPos != motherNeg)
continue;
if (!motherPos.isPhysicalPrimary())
continue;

if (std::abs(motherPos.eta()) > 0.8)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;

// Vertex position vector
Expand All @@ -1228,13 +1230,30 @@

// K0s
if (passedK0ShortSelection(v0, pos, neg, vtxPos) && motherPos.pdgCode() == kK0Short) {
registryMC.fill(HIST("K0s_reconstructed_MB"), multiplicity, v0.pt());
registryMC.fill(HIST("K0s_reconstructed_MB_incl"), multiplicity, v0.pt());
}
// Lambda
if (passedLambdaSelection(v0, pos, neg, vtxPos) && motherPos.pdgCode() == kLambda0) {
registryMC.fill(HIST("Lambda_reconstructed_MB"), multiplicity, v0.pt());
registryMC.fill(HIST("Lambda_reconstructed_MB_incl"), multiplicity, v0.pt());
}
// AntiLambda
if (passedAntiLambdaSelection(v0, pos, neg, vtxPos) && motherPos.pdgCode() == kLambda0Bar) {
registryMC.fill(HIST("AntiLambda_reconstructed_MB_incl"), multiplicity, v0.pt());
}

if (!motherPos.isPhysicalPrimary())
continue;

// Histograms below are filled only for PhysicalPrimary particles
// K0s (primary)
if (passedK0ShortSelection(v0, pos, neg, vtxPos) && motherPos.pdgCode() == kK0Short) {
registryMC.fill(HIST("K0s_reconstructed_MB"), multiplicity, v0.pt());
}
// Lambda (primary)
if (passedLambdaSelection(v0, pos, neg, vtxPos) && motherPos.pdgCode() == kLambda0) {
registryMC.fill(HIST("Lambda_reconstructed_MB"), multiplicity, v0.pt());
}
// AntiLambda (primary)
if (passedAntiLambdaSelection(v0, pos, neg, vtxPos) && motherPos.pdgCode() == kLambda0Bar) {
registryMC.fill(HIST("AntiLambda_reconstructed_MB"), multiplicity, v0.pt());
}
Expand Down Expand Up @@ -1268,7 +1287,7 @@
if (!motherBach.isPhysicalPrimary())
continue;

if (std::abs(motherPos.eta()) > 0.8)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;

// Xi+
Expand Down Expand Up @@ -1306,7 +1325,7 @@
continue;
}

if (std::abs(mcParticle.eta()) > 0.8) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}

Expand Down Expand Up @@ -1697,7 +1716,7 @@
}
}

if (multiplicity == -999)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue; */

// Clear containers at the start of the event loop
Expand Down Expand Up @@ -2111,8 +2130,8 @@

// ------------------------------------------------
// --- Generated hadrons in reconstructed jets ----
for (auto& particle : mcParticlesPerColl) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (!particle.isPhysicalPrimary() || std::abs(particle.eta()) > 0.8)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;

int absPdg = std::abs(particle.pdgCode());
Expand Down
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