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[PWGLF] Fix signal check for hypertriton kink and add column for datamodel #12422

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Merged
maciacco merged 2 commits into from
Aug 5, 2025
Merged

[PWGLF] Fix signal check for hypertriton kink and add column for datamodel #12422

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54b4548
Fix signal check for hypertriton kink
wang-yuanzhe Aug 4, 2025
f340d64
Fix fill of datamodel
wang-yuanzhe Aug 4, 2025
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4 changes: 3 additions & 1 deletion PWGLF/DataModel/LFHyperNucleiKinkTables.h
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,9 @@ DECLARE_SOA_TABLE(HypKinkCand, "AOD", "HYPKINKCANDS",
hyperkink::PxDaugSV, hyperkink::PyDaugSV, hyperkink::PzDaugSV,
hyperkink::DcaMothPv, hyperkink::DcaDaugPv, hyperkink::DcaKinkTopo,
hyperkink::ItsChi2Moth, hyperkink::ItsClusterSizesMoth, hyperkink::ItsClusterSizesDaug,
hyperkink::NSigmaTPCDaug, hyperkink::NSigmaITSDaug, hyperkink::NSigmaTOFDaug);
hyperkink::NSigmaTPCDaug, hyperkink::NSigmaITSDaug, hyperkink::NSigmaTOFDaug,
hyperkink::PxMothPV, hyperkink::PyMothPV, hyperkink::PzMothPV,
hyperkink::UpdatePxMothPV, hyperkink::UpdatePyMothPV, hyperkink::UpdatePzMothPV);

DECLARE_SOA_TABLE(MCHypKinkCand, "AOD", "MCHYPKINKCANDS",
o2::soa::Index<>,
Expand Down
60 changes: 44 additions & 16 deletions PWGLF/TableProducer/Nuspex/hyperkinkRecoTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -458,19 +458,22 @@ struct HyperkinkRecoTask {
const AxisSpec vertexZAxis{100, -15., 15., "vtx_{Z} [cm]"};
const AxisSpec ptAxis{50, -10, 10, "#it{p}_{T} (GeV/#it{c})"};
const AxisSpec nSigmaAxis{120, -6.f, 6.f, "n#sigma"};
const AxisSpec massAxis{100, 3.85, 4.25, "m (GeV/#it{c}^{2})"};
AxisSpec massAxis(100, 2.94, 3.2, "m (GeV/#it{c}^{2})");
if (hypoMoth == kHyperhelium4sigma) {
massAxis = AxisSpec{100, 3.85, 4.25, "m (GeV/#it{c}^{2})"};
}
const AxisSpec diffPtAxis{200, -10.f, 10.f, "#Delta #it{p}_{T} (GeV/#it{c})"};
const AxisSpec diffPzAxis{200, -10.f, 10.f, "#Delta #it{p}_{z} (GeV/#it{c})"};
const AxisSpec radiusAxis{40, 0.f, 40.f, "R (cm)"};

registry.add<TH1>("hEventCounter", "hEventCounter", HistType::kTH1F, {{2, 0, 2}});
registry.add<TH1>("hVertexZCollision", "hVertexZCollision", HistType::kTH1F, {vertexZAxis});
registry.add<TH1>("hCandidateCounter", "hCandidateCounter", HistType::kTH1F, {{3, 0, 3}});
registry.add<TH1>("hCandidateCounter", "hCandidateCounter", HistType::kTH1F, {{4, 0, 4}});

if (doprocessMC == true) {
itsResponse.setMCDefaultParameters();

registry.add<TH1>("hTrueCandidateCounter", "hTrueCandidateCounter", HistType::kTH1F, {{3, 0, 3}});
registry.add<TH1>("hTrueCandidateCounter", "hTrueCandidateCounter", HistType::kTH1F, {{4, 0, 4}});
registry.add<TH1>("hDiffSVx", ";#Delta x (cm);", HistType::kTH1F, {{200, -10, 10}});
registry.add<TH1>("hDiffSVy", ";#Delta y (cm);", HistType::kTH1F, {{200, -10, 10}});
registry.add<TH1>("hDiffSVz", ";#Delta z (cm);", HistType::kTH1F, {{200, -10, 10}});
Expand Down Expand Up @@ -663,8 +666,6 @@ struct HyperkinkRecoTask {
auto bc = collision.bc_as<aod::BCsWithTimestamps>();
initCCDB(bc);
auto motherTrack = kinkCand.trackMoth_as<FullTracksExtIU>();
HypKinkCandidate hypkinkCand;
fillCandidate(hypkinkCand, collision, kinkCand, motherTrack, daugTrack);
float nSigmaTOF = -999.f;
if (daugTrack.hasTOF() && daugTrack.has_collision()) {
auto originalDaugCol = daugTrack.collision_as<CollisionsFull>();
Expand All @@ -673,6 +674,10 @@ struct HyperkinkRecoTask {
if (std::abs(nSigmaTOF) > cutTOFNSigmaDaug) {
continue;
}

registry.fill(HIST("hCandidateCounter"), 2);
HypKinkCandidate hypkinkCand;
fillCandidate(hypkinkCand, collision, kinkCand, motherTrack, daugTrack);
hypkinkCand.nSigmaTOFDaug = nSigmaTOF;

o2::dataformats::VertexBase primaryVtx = {{collision.posX(), collision.posY(), collision.posZ()}, {collision.covXX(), collision.covXY(), collision.covYY(), collision.covXZ(), collision.covYZ(), collision.covZZ()}};
Expand All @@ -698,7 +703,9 @@ struct HyperkinkRecoTask {
hypkinkCand.momDaugSV[0], hypkinkCand.momDaugSV[1], hypkinkCand.momDaugSV[2],
hypkinkCand.dcaXYMothPv, hypkinkCand.dcaXYDaugPv, hypkinkCand.dcaKinkTopo,
hypkinkCand.chi2ITSMoth, hypkinkCand.itsClusterSizeMoth, hypkinkCand.itsClusterSizeDaug,
hypkinkCand.nSigmaTPCDaug, hypkinkCand.nSigmaITSDaug, hypkinkCand.nSigmaTOFDaug);
hypkinkCand.nSigmaTPCDaug, hypkinkCand.nSigmaITSDaug, hypkinkCand.nSigmaTOFDaug,
hypkinkCand.momMothPV[0], hypkinkCand.momMothPV[1], hypkinkCand.momMothPV[2],
hypkinkCand.updateMomMothPV[0], hypkinkCand.updateMomMothPV[1], hypkinkCand.updateMomMothPV[2]);
}
}
PROCESS_SWITCH(HyperkinkRecoTask, processData, "process data", true);
Expand Down Expand Up @@ -773,8 +780,6 @@ struct HyperkinkRecoTask {

auto bc = collision.bc_as<aod::BCsWithTimestamps>();
initCCDB(bc);
HypKinkCandidate hypkinkCand;
fillCandidate(hypkinkCand, collision, kinkCand, motherTrack, daugTrack);
float nSigmaTOF = -999.f;
if (daugTrack.hasTOF() && daugTrack.has_collision()) {
auto originalDaugCol = daugTrack.collision_as<MCLabeledCollisionsFull>();
Expand All @@ -791,6 +796,13 @@ struct HyperkinkRecoTask {
if (std::abs(nSigmaTOF) > cutTOFNSigmaDaug) {
continue;
}
registry.fill(HIST("hCandidateCounter"), 3);
if (isKinkSignal) {
registry.fill(HIST("hTrueCandidateCounter"), 3);
}

HypKinkCandidate hypkinkCand;
fillCandidate(hypkinkCand, collision, kinkCand, motherTrack, daugTrack);
hypkinkCand.nSigmaTOFDaug = nSigmaTOF;

std::array<float, 3> posDecVtx = {kinkCand.xDecVtx() + collision.posX(), kinkCand.yDecVtx() + collision.posY(), kinkCand.zDecVtx() + collision.posZ()};
Expand Down Expand Up @@ -826,8 +838,6 @@ struct HyperkinkRecoTask {

hypkinkCand.isSignal = true;
hypkinkCand.isSignalReco = true;
hypkinkCand.isCollReco = true;
hypkinkCand.isSurvEvSelection = true;
fillCandidateMCInfo(hypkinkCand, mcMothTrack, mcDaugTrack, mcNeutTrack);
mcPartIndices.push_back(mcMothTrack.globalIndex());

Expand All @@ -838,6 +848,9 @@ struct HyperkinkRecoTask {
registry.fill(HIST("hDCAZMothToRecSV"), dcaInfo[1]);
}

hypkinkCand.isCollReco = true;
hypkinkCand.isSurvEvSelection = true;

outputMCTable(
mBz > 0 ? 1 : -1,
hypkinkCand.posPV[0], hypkinkCand.posPV[1], hypkinkCand.posPV[2],
Expand All @@ -862,10 +875,22 @@ struct HyperkinkRecoTask {

// fill kink signals which are not reconstructed
for (auto const& mcparticle : particlesMC) {
auto dChannel = He4SDecay::getDecayChannel<aod::McParticles>(mcparticle, dauIDList);
if (dChannel != He4SDecay::k2body) {
bool isKinkSignal = false;
if (hypoMoth == kHypertriton) {
auto dChannel = H3LDecay::getDecayChannel<aod::McParticles>(mcparticle, dauIDList);
if (dChannel == H3LDecay::k2bodyNeutral) {
isKinkSignal = true;
}
} else if (hypoMoth == kHyperhelium4sigma) {
auto dChannel = He4SDecay::getDecayChannel<aod::McParticles>(mcparticle, dauIDList);
if (dChannel == He4SDecay::k2body) {
isKinkSignal = true;
}
}
if (!isKinkSignal) {
continue;
}

if (std::find(mcPartIndices.begin(), mcPartIndices.end(), mcparticle.globalIndex()) != mcPartIndices.end()) {
continue;
}
Expand Down Expand Up @@ -928,6 +953,7 @@ struct HyperkinkQa {

o2::aod::ITSResponse itsResponse;

int charge = 1;
float massMoth = 999.f;
float massChargedDaug = 999.f;
float massNeutralDaug = 999.f;
Expand All @@ -941,6 +967,7 @@ struct HyperkinkQa {
itsResponse.setMCDefaultParameters();

if (hypoMoth == kHypertriton) {
charge = 1;
massMoth = o2::constants::physics::MassHyperTriton;
massChargedDaug = o2::constants::physics::MassTriton;
massNeutralDaug = o2::constants::physics::MassPi0;
Expand All @@ -949,6 +976,7 @@ struct HyperkinkQa {
pdgDaug[kDaugNeutral] = PDG_t::kPi0;
pidTypeDaug = o2::track::PID::Triton;
} else if (hypoMoth == kHyperhelium4sigma) {
charge = 2;
massMoth = o2::constants::physics::MassHyperHelium4Sigma;
massChargedDaug = o2::constants::physics::MassAlpha;
massNeutralDaug = o2::constants::physics::MassPi0;
Expand Down Expand Up @@ -986,8 +1014,8 @@ struct HyperkinkQa {
hGenHyperMothCounter->GetXaxis()->SetBinLabel(3, "AntiMatter");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(4, "t + #pi^{0}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(5, "#bar{t} + #pi^{0}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(6, "he3 + #pi^{-}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(7, "#bar{he3} + #pi^{+}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(6, "{}^{3}He + #pi^{-}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(7, "{}^{3}#bar{He} + #pi^{+}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(8, "d + p + #pi^{-}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(9, "#bar{d} + #bar{p} + #pi^{+}");
hGenHyperMothCounter->GetXaxis()->SetBinLabel(10, "Others");
Expand Down Expand Up @@ -1043,7 +1071,7 @@ struct HyperkinkQa {
hist->GetXaxis()->SetBinLabel(6, "TPC Ncls");
hist->GetXaxis()->SetBinLabel(7, "TPC n#sigma");
hist->GetXaxis()->SetBinLabel(8, "ITS hits");
hist->GetXaxis()->SetBinLabel(9, "has TOF)");
hist->GetXaxis()->SetBinLabel(9, "has TOF");
}

recoQAHist.add<TH1>("hMothIsPVContributer", "", HistType::kTH1F, {{2, 0.f, 2.f}});
Expand Down Expand Up @@ -1279,7 +1307,7 @@ struct HyperkinkQa {
auto motherTrack = tracks.rawIteratorAt(mcPartIndices[mcparticle.globalIndex()]);
bool isGoodMother = motherTrackCheck(motherTrack, hMothCounter);
float svR = RecoDecay::sqrtSumOfSquares(svPos[0], svPos[1]);
float diffpt = mcparticle.pt() - 2 * motherTrack.pt();
float diffpt = mcparticle.pt() - charge * motherTrack.pt();

recoQAHist.fill(HIST("h2TrueMotherDiffPtVsTrueSVR"), svR, diffpt);
recoQAHist.fill(HIST("h2TrueMotherDiffEtaVsTrueSVR"), svR, mcparticle.eta() - motherTrack.eta());
Expand Down
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