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[PWGLF] Update strangenessInJets: Add generated cascade histograms relative to reconstructed jet and UE axes #18268

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Merged
romainschotter merged 7 commits into from
Oct 13, 2026
Merged

[PWGLF] Update strangenessInJets: Add generated cascade histograms relative to reconstructed jet and UE axes #18268

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39ce9d1
Add RCTSelectionFlags
spucillo Aug 27, 2026
0699fd2
Fix RCT selection build errors
spucillo Aug 27, 2026
c1bfc3a
Merge branch 'AliceO2Group:master' into master
spucillo Oct 9, 2026
11aaa33
Update MC centrality
spucillo Oct 9, 2026
00d65ca
Merge branch 'AliceO2Group:master' into master
spucillo Oct 13, 2026
1efb284
Update strangenessInJets: Add generated cascade histograms relative t…
spucillo Oct 13, 2026
db04f86
Update strangenessInJets.cxx - Fix MegaLinter errors
spucillo Oct 13, 2026
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55 changes: 53 additions & 2 deletions PWGLF/Tasks/Strangeness/strangenessInJets.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -444,6 +444,15 @@ struct StrangenessInJets {
registryMC.add("OmegaPos_reconstructed_ue", "OmegaPos_reconstructed_ue", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("OmegaNeg_reconstructed_jet", "OmegaNeg_reconstructed_jet", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("OmegaNeg_reconstructed_ue", "OmegaNeg_reconstructed_ue", HistType::kTH2F, {multAxis, ptAxis});
// Generated cascades associated to reconstructed jet / UE axes.
registryMC.add("XiPos_generated_recojet_jet", "XiPos_generated_recojet_jet", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("XiPos_generated_recojet_ue", "XiPos_generated_recojet_ue", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("XiNeg_generated_recojet_jet", "XiNeg_generated_recojet_jet", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("XiNeg_generated_recojet_ue", "XiNeg_generated_recojet_ue", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("OmegaPos_generated_recojet_jet", "OmegaPos_generated_recojet_jet", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("OmegaPos_generated_recojet_ue", "OmegaPos_generated_recojet_ue", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("OmegaNeg_generated_recojet_jet", "OmegaNeg_generated_recojet_jet", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("OmegaNeg_generated_recojet_ue", "OmegaNeg_generated_recojet_ue", HistType::kTH2F, {multAxis, ptAxis});
// Histograms to calculate probability of hyperons to be found within jets
registryMC.add("XiPos_reconstructed_fullevent", "XiPos_reconstructed_fullevent", HistType::kTH2F, {multAxis, ptAxis});
registryMC.add("XiNeg_reconstructed_fullevent", "XiNeg_reconstructed_fullevent", HistType::kTH2F, {multAxis, ptAxis});
Expand Down Expand Up @@ -1891,7 +1900,6 @@ struct StrangenessInJets {
continue;
if (!motherPos.isPhysicalPrimary())
continue;
double maxPseudorap = 0.8;
if (std::abs(motherPos.eta()) > maxPseudorap)
continue;

Expand All @@ -1911,7 +1919,6 @@ struct StrangenessInJets {
}

for (auto const& particle : mcParticlesPerColl) {
double maxPseudorap = 0.8;
if (particle.isPhysicalPrimary() && std::abs(particle.eta()) <= maxPseudorap) {
switch (particle.pdgCode()) {
case kK0Short:
Expand Down Expand Up @@ -1974,6 +1981,50 @@ struct StrangenessInJets {
}
}
break;

// Cascades: generated particles classified with respect to the
// reconstructed jet and perpendicular-cone axes, exactly as for V0s.
case kXiPlusBar:
if (enabledSignals.value[ParticleOfInterest::kCascades]) {
if (positionMC.isInJet()) {
registryMC.fill(HIST("XiPos_generated_recojet_jet"), multiplicity, particle.pt());
}
if (positionMC.isInUE1() || positionMC.isInUE2()) {
registryMC.fill(HIST("XiPos_generated_recojet_ue"), multiplicity, particle.pt());
}
}
break;
case kXiMinus:
if (enabledSignals.value[ParticleOfInterest::kCascades]) {
if (positionMC.isInJet()) {
registryMC.fill(HIST("XiNeg_generated_recojet_jet"), multiplicity, particle.pt());
}
if (positionMC.isInUE1() || positionMC.isInUE2()) {
registryMC.fill(HIST("XiNeg_generated_recojet_ue"), multiplicity, particle.pt());
}
}
break;
case kOmegaPlusBar:
if (enabledSignals.value[ParticleOfInterest::kCascades]) {
if (positionMC.isInJet()) {
registryMC.fill(HIST("OmegaPos_generated_recojet_jet"), multiplicity, particle.pt());
}
if (positionMC.isInUE1() || positionMC.isInUE2()) {
registryMC.fill(HIST("OmegaPos_generated_recojet_ue"), multiplicity, particle.pt());
}
}
break;
case kOmegaMinus:
if (enabledSignals.value[ParticleOfInterest::kCascades]) {
if (positionMC.isInJet()) {
registryMC.fill(HIST("OmegaNeg_generated_recojet_jet"), multiplicity, particle.pt());
}
if (positionMC.isInUE1() || positionMC.isInUE2()) {
registryMC.fill(HIST("OmegaNeg_generated_recojet_ue"), multiplicity, particle.pt());
}
}
break;

default:
break;
}
Expand Down
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