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[PWGCF] FemtoUniverse Cascade Task -- hasTOF check for combined simga #15370

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[PWGCF] FemtoUniverse Cascade Task -- hasTOF check for combined simga #15370

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0c8eb7c
hasTOF check for combined simga
Mar 12, 2026
5963596
has TOF check for mixed events
Mar 12, 2026
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53 changes: 41 additions & 12 deletions PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackCascadeExtended.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -198,9 +198,9 @@ struct femtoUniversePairTaskTrackCascadeExtended {
}
}

bool isNSigmaCombined(float mom, float nsigmaTPCParticle, float nsigmaTOFParticle)
bool isNSigmaCombined(float mom, float nsigmaTPCParticle, float nsigmaTOFParticle, bool hasTOF)
{
if (mom <= confmom) {
if (mom <= confmom || hasTOF == 0) {
return (std::abs(nsigmaTPCParticle) < confNsigmaTPCParticle);
} else {
return (TMath::Hypot(nsigmaTOFParticle, nsigmaTPCParticle) < confNsigmaCombinedParticle);
Expand Down Expand Up @@ -231,7 +231,7 @@ struct femtoUniversePairTaskTrackCascadeExtended {
const float tpcNSigmas[3] = {aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePr()), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePi()), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStoreKa())};
const float tofNSigmas[3] = {aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePr()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePi()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStoreKa())};

return isNSigmaCombined(part.p(), tpcNSigmas[id], tofNSigmas[id]);
return isNSigmaCombined(part.p(), tpcNSigmas[id], tofNSigmas[id], (part.pidCut() & 512u) != 0);
}

void init(InitContext const&)
Expand Down Expand Up @@ -462,13 +462,13 @@ struct femtoUniversePairTaskTrackCascadeExtended {
rXiQA.fill(HIST("hInvMpTmult"), part.pt(), part.mLambda(), multCol);
}

if constexpr (std::experimental::is_detected<hasSigma, typename TableType::iterator>::value) {
for (const auto& part : groupPartsOne) {
for (const auto& part : groupPartsOne) {
if constexpr (std::experimental::is_detected<hasSigma, typename TableType::iterator>::value) {
/// PID plot for track particle
const float tpcNSigmas[3] = {aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePr()), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePi()), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStoreKa())};
const float tofNSigmas[3] = {aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePr()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePi()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStoreKa())};

if (!isNSigmaCombined(part.p(), tpcNSigmas[confTrackChoicePartOne], tofNSigmas[confTrackChoicePartOne]))
if (!isNSigmaCombined(part.p(), tpcNSigmas[confTrackChoicePartOne], tofNSigmas[confTrackChoicePartOne], (part.pidCut() & 512u) != 0))
continue;

if (part.mAntiLambda() > 0) {
Expand All @@ -480,8 +480,21 @@ struct femtoUniversePairTaskTrackCascadeExtended {
qaRegistry.fill(HIST("Tracks_neg/nSigmaTOF"), part.p(), tofNSigmas[confTrackChoicePartOne]);
trackHistoPartOneNeg.fillQA<false, false>(part);
}
} else {
if ((part.pidCut() & 512u) != 0) {
if ((part.pidCut() & (64u << confTrackChoicePartOne)) == 0)
continue;
} else if ((part.pidCut() & (1u << confTrackChoicePartOne)) == 0) {
continue;
}
if (part.mAntiLambda() > 0) {
trackHistoPartOnePos.fillQA<false, false>(part);
} else if (part.mAntiLambda() < 0) {
trackHistoPartOneNeg.fillQA<false, false>(part);
}
}
}

for (const auto& [p1, p2] : combinations(CombinationsFullIndexPolicy(groupPartsOne, groupPartsTwo))) {
// Cascade inv mass cut (mLambda stores Xi mass, mAntiLambda stores Omega mass)
if (!invMCascade(p2.mLambda(), p2.mAntiLambda(), confCascType1))
Expand All @@ -491,8 +504,12 @@ struct femtoUniversePairTaskTrackCascadeExtended {
if (!isParticleCombined(p1, confTrackChoicePartOne))
continue;
} else {
if ((p1.pidCut() & (64u << confTrackChoicePartOne)) == 0)
if ((p1.pidCut() & 512u) != 0) {
if ((p1.pidCut() & (64u << confTrackChoicePartOne)) == 0)
continue;
} else if ((p1.pidCut() & (1u << confTrackChoicePartOne)) == 0) {
continue;
}
}
// track cleaning
if (!pairCleaner.isCleanPair(p1, p2, parts)) {
Expand Down Expand Up @@ -734,8 +751,12 @@ struct femtoUniversePairTaskTrackCascadeExtended {
if (!isParticleCombined(p1, confTrackChoicePartOne))
continue;
} else {
if ((p1.pidCut() & (64u << confTrackChoicePartOne)) == 0)
if ((p1.pidCut() & 512u) != 0) {
if ((p1.pidCut() & (64u << confTrackChoicePartOne)) == 0)
continue;
} else if ((p1.pidCut() & (1u << confTrackChoicePartOne)) == 0) {
continue;
}
}

const auto& posChild = parts.iteratorAt(p2.globalIndex() - 3 - parts.begin().globalIndex());
Expand Down Expand Up @@ -1144,11 +1165,15 @@ struct femtoUniversePairTaskTrackCascadeExtended {
if (mcpart.pdgMCTruth() != kProton)
continue;
if constexpr (std::experimental::is_detected<hasSigma, typename TableType::iterator>::value) {
if (!isNSigmaCombined(part.p(), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePr()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePr())))
if (!isNSigmaCombined(part.p(), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePr()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePr()), (part.pidCut() & 512u) != 0))
continue;
} else {
if ((part.pidCut() & 64u) == 0)
if ((part.pidCut() & 512u) != 0) {
if ((part.pidCut() & 64u) == 0)
continue;
} else if ((part.pidCut() & 1u) == 0) {
continue;
}
}
registryMCreco.fill(HIST("plus/MCrecoPr"), mcpart.pt(), mcpart.eta());
registryMCreco.fill(HIST("plus/MCrecoPrPt"), mcpart.pt());
Expand All @@ -1157,11 +1182,15 @@ struct femtoUniversePairTaskTrackCascadeExtended {
if (mcpart.pdgMCTruth() != kProtonBar)
continue;
if constexpr (std::experimental::is_detected<hasSigma, typename TableType::iterator>::value) {
if (!isNSigmaCombined(part.p(), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePr()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePr())))
if (!isNSigmaCombined(part.p(), aod::pidtpc_tiny::binning::unPackInTable(part.tpcNSigmaStorePr()), aod::pidtof_tiny::binning::unPackInTable(part.tofNSigmaStorePr()), (part.pidCut() & 512u) != 0))
continue;
} else {
if ((part.pidCut() & 64u) == 0)
if ((part.pidCut() & 512u) != 0) {
if ((part.pidCut() & 64u) == 0)
continue;
} else if ((part.pidCut() & 1u) == 0) {
continue;
}
}
registryMCreco.fill(HIST("minus/MCrecoPr"), mcpart.pt(), mcpart.eta());
registryMCreco.fill(HIST("minus/MCrecoPrPt"), mcpart.pt());
Expand Down
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