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[PWGHF] added tables to check v0 daughter properties #14748

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Merged
singhra1994 merged 3 commits into from
Feb 2, 2026
+15 −5
Merged

[PWGHF] added tables to check v0 daughter properties #14748

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d1bd7bf
PWGHF: added tables to check v0 daughter properties
singhra1994 Feb 2, 2026
8c611df
Please consider the following formatting changes
alibuild Feb 2, 2026
4cf956f
Merge pull request #42 from alibuild/alibot-cleanup-14748
singhra1994 Feb 2, 2026
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20 changes: 15 additions & 5 deletions PWGHF/HFC/TableProducer/correlatorLcScHadrons.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -369,7 +369,8 @@ struct HfCorrelatorLcScHadrons {
Configurable<float> cfgDaughPIDCutsTPCPr{"cfgDaughPIDCutsTPCPr", 3., "max. TPCnSigma Proton"};
Configurable<float> cfgDaughPIDCutsTPCPi{"cfgDaughPIDCutsTPCPi", 2., "max. TPCnSigma Pion"};
Configurable<float> cfgDaughPIDCutsTOFPi{"cfgDaughPIDCutsTOFPi", 2., "max. TOFnSigma Pion"};
Configurable<float> cfgHypMassWindow{"cfgHypMassWindow", 0.5, "single lambda mass selection"};
Configurable<float> cfgHypMassWindow{"cfgHypMassWindow", 0.1, "single lambda mass selection"};
Configurable<bool> cfgIsCorrCollMatchV0{"cfgIsCorrCollMatchV0", true, "check if daughter and mother collision are same"};
} cfgV0;

SliceCache cache;
Expand Down Expand Up @@ -595,9 +596,15 @@ struct HfCorrelatorLcScHadrons {
for (const auto& v0 : v0s) {
auto posTrackV0 = v0.template posTrack_as<TrackType>();
auto negTrackV0 = v0.template negTrack_as<TrackType>();
if (cfgV0.cfgIsCorrCollMatchV0 && ((v0.collisionId() != posTrackV0.collisionId()) || (v0.collisionId() != negTrackV0.collisionId()))) {
continue;
}

if (isSelectedV0Daughter(posTrackV0, kProton) && isSelectedV0Daughter(negTrackV0, kPiPlus)) {
if (std::abs(o2::constants::physics::MassLambda - v0.mLambda()) < cfgV0.cfgHypMassWindow) {
if (std::abs(o2::constants::physics::MassLambda - v0.mLambda()) < cfgV0.cfgHypMassWindow) {
entryHadron(v0.mLambda(), posTrackV0.eta(), posTrackV0.pt() * posTrackV0.sign(), 0, 0, v0.pt());
entryTrkPID(posTrackV0.tpcNSigmaPr(), posTrackV0.tpcNSigmaKa(), posTrackV0.tpcNSigmaPi(), posTrackV0.tofNSigmaPr(), posTrackV0.tofNSigmaKa(), posTrackV0.tofNSigmaPi());

if (isSelectedV0Daughter(posTrackV0, kProton) && isSelectedV0Daughter(negTrackV0, kPiPlus)) {
registry.fill(HIST("hV0Lambda"), v0.mLambda(), v0.pt(), posTrackV0.pt());
registry.fill(HIST("hV0LambdaRefl"), v0.mAntiLambda(), v0.pt(), negTrackV0.pt());

Expand All @@ -617,8 +624,11 @@ struct HfCorrelatorLcScHadrons {
}
}
}
if (isSelectedV0Daughter(negTrackV0, kProton) && isSelectedV0Daughter(posTrackV0, kPiPlus)) {
if (std::abs(o2::constants::physics::MassLambda - v0.mAntiLambda()) < cfgV0.cfgHypMassWindow) {
if (std::abs(o2::constants::physics::MassLambda - v0.mAntiLambda()) < cfgV0.cfgHypMassWindow) {
entryHadron(v0.mAntiLambda(), negTrackV0.eta(), negTrackV0.pt() * negTrackV0.sign(), 0, 0, v0.pt());
entryTrkPID(negTrackV0.tpcNSigmaPr(), negTrackV0.tpcNSigmaKa(), negTrackV0.tpcNSigmaPi(), negTrackV0.tofNSigmaPr(), negTrackV0.tofNSigmaKa(), negTrackV0.tofNSigmaPi());

if (isSelectedV0Daughter(negTrackV0, kProton) && isSelectedV0Daughter(posTrackV0, kPiPlus)) {
registry.fill(HIST("hV0Lambda"), v0.mAntiLambda(), v0.pt(), negTrackV0.pt());
registry.fill(HIST("hV0LambdaRefl"), v0.mLambda(), v0.pt(), posTrackV0.pt());

Expand Down
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