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[ALICE3] Add use of BDT to otf multi-charm #12253

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njacazio merged 5 commits into from
Jul 25, 2025
Merged

[ALICE3] Add use of BDT to otf multi-charm #12253

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Add use of BDT to otf multi-charm
jesgum Jul 25, 2025
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jesgum Jul 25, 2025
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jesgum Jul 25, 2025
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11 changes: 8 additions & 3 deletions ALICE3/DataModel/OTFMulticharm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@ DECLARE_SOA_COLUMN(XiccMass, xiccMass, float);
// kine vars
DECLARE_SOA_COLUMN(XiccPt, xiccPt, float);
DECLARE_SOA_COLUMN(XiccEta, xiccEta, float);
DECLARE_SOA_COLUMN(XicPt, xicPt, float);
DECLARE_SOA_COLUMN(XicEta, xicEta, float);

// topo vars
DECLARE_SOA_COLUMN(XiDCAz, xiDCAz, float);
Expand Down Expand Up @@ -122,12 +124,15 @@ DECLARE_SOA_TABLE(MCharmIndices, "AOD", "MCharmIndices",
otfmulticharm::XiCCPionId);

DECLARE_SOA_TABLE(MCharmCores, "AOD", "MCharmCores",
otfmulticharm::XicDauDCA,
otfmulticharm::XiccDauDCA,
otfmulticharm::XicMass,
otfmulticharm::XiccMass,
otfmulticharm::XiccPt,
otfmulticharm::XiccEta,
otfmulticharm::XiccDauDCA,

otfmulticharm::XicMass,
otfmulticharm::XicPt,
otfmulticharm::XicEta,
otfmulticharm::XicDauDCA,

otfmulticharm::XiDCAxy,
otfmulticharm::XiDCAz,
Expand Down
13 changes: 5 additions & 8 deletions ALICE3/TableProducer/alice3-multicharmTable.cxx
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Expand Up @@ -149,9 +149,9 @@

HistogramRegistry histos{"histos", {}, OutputObjHandlingPolicy::AnalysisObject};

Partition<aod::McParticles> trueXi = aod::mcparticle::pdgCode == 3312;

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
Partition<aod::McParticles> trueXiC = aod::mcparticle::pdgCode == 4232;

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
Partition<aod::McParticles> trueXiCC = aod::mcparticle::pdgCode == 4422;

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.

// filter expressions for D mesons
static constexpr uint32_t trackSelectionPiFromXiC = 1 << kInnerTOFPion | 1 << kOuterTOFPion | 1 << kRICHPion | 1 << kTruePiFromXiC;
Expand Down Expand Up @@ -245,14 +245,14 @@
thisXiCCcandidate.parentTrackCovMatrix[5] = covVtx(2, 2);

// set relevant values
thisXiCCcandidate.dca = TMath::Sqrt(fitter.getChi2AtPCACandidate());

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
if (thisXiCCcandidate.dca > dcaXiCCDaughtersSelection) {
return false;
}

thisXiCCcandidate.mass = RecoDecay::m(array{array{thisXiCCcandidate.prong0mom[0], thisXiCCcandidate.prong0mom[1], thisXiCCcandidate.prong0mom[2]}, array{thisXiCCcandidate.prong1mom[0], thisXiCCcandidate.prong1mom[1], thisXiCCcandidate.prong1mom[2]}}, array{mass0, mass1});

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[std-prefix] 

Use std:: prefix for names from the std namespace.
thisXiCCcandidate.pt = std::hypot(thisXiCCcandidate.prong0mom[0] + thisXiCCcandidate.prong1mom[0], thisXiCCcandidate.prong0mom[1] + thisXiCCcandidate.prong1mom[1]);
thisXiCCcandidate.eta = RecoDecay::eta(array{thisXiCCcandidate.prong0mom[0] + thisXiCCcandidate.prong1mom[0], thisXiCCcandidate.prong0mom[1] + thisXiCCcandidate.prong1mom[1], thisXiCCcandidate.prong0mom[2] + thisXiCCcandidate.prong1mom[2]});

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return true;
}

Expand Down Expand Up @@ -315,13 +315,13 @@
thisXiCcandidate.parentTrackCovMatrix[5] = covVtx(2, 2);

// set relevant values
thisXiCcandidate.dca = TMath::Sqrt(fitter3.getChi2AtPCACandidate());

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
if (thisXiCcandidate.dca > dcaXiCDaughtersSelection) {
return false;
}
thisXiCcandidate.mass = RecoDecay::m(array{array{thisXiCcandidate.prong0mom[0], thisXiCcandidate.prong0mom[1], thisXiCcandidate.prong0mom[2]}, array{thisXiCcandidate.prong1mom[0], thisXiCcandidate.prong1mom[1], thisXiCcandidate.prong1mom[2]}, array{thisXiCcandidate.prong2mom[0], thisXiCcandidate.prong2mom[1], thisXiCcandidate.prong2mom[2]}}, array{p0mass, p1mass, p2mass});

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[std-prefix] 

Use std:: prefix for names from the std namespace.
thisXiCcandidate.pt = std::hypot(thisXiCcandidate.prong0mom[0] + thisXiCcandidate.prong1mom[0] + thisXiCcandidate.prong2mom[0], thisXiCcandidate.prong0mom[1] + thisXiCcandidate.prong1mom[1] + thisXiCcandidate.prong2mom[1]);
thisXiCcandidate.eta = RecoDecay::eta(array{thisXiCcandidate.prong0mom[0] + thisXiCcandidate.prong1mom[0] + thisXiCcandidate.prong2mom[0], thisXiCcandidate.prong0mom[1] + thisXiCcandidate.prong1mom[1] + thisXiCcandidate.prong2mom[1], thisXiCcandidate.prong0mom[2] + thisXiCcandidate.prong1mom[2] + thisXiCcandidate.prong2mom[2]});

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return true;
}

Expand All @@ -343,7 +343,7 @@
auto mcParticle1 = track1.template mcParticle_as<aod::McParticles>();
auto mcParticle2 = track2.template mcParticle_as<aod::McParticles>();
if (mcParticle1.has_mothers() && mcParticle2.has_mothers()) {
for (auto& mcParticleMother1 : mcParticle1.template mothers_as<aod::McParticles>()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
for (auto& mcParticleMother2 : mcParticle2.template mothers_as<aod::McParticles>()) {
if (mcParticleMother1.globalIndex() == mcParticleMother2.globalIndex()) {
returnValue = true;
Expand Down Expand Up @@ -734,9 +734,10 @@
picc.globalIndex());

multiCharmCore(
thisXiCcandidate.dca, thisXiCCcandidate.dca,
thisXiCcandidate.mass, thisXiCCcandidate.mass,
thisXiCCcandidate.pt, thisXiCCcandidate.eta,
thisXiCCcandidate.mass, thisXiCCcandidate.pt,
thisXiCCcandidate.eta, thisXiCCcandidate.dca,
thisXiCcandidate.mass, thisXiCcandidate.pt,
thisXiCcandidate.eta, thisXiCcandidate.dca,
xi.dcaXY(), xi.dcaZ(),
xicdcaXY, xicdcaZ,
xiccdcaXY, xiccdcaZ,
Expand All @@ -756,12 +757,10 @@
pi1cTOFDiffOuter, pi1c.nSigmaPionOuterTOF(),
pi1c.hasSigPi(), pi1c.nSigmaPionRich(),
getPdgCodeForTrack(pi1c),

pi2cTOFDiffInner, pi2c.nSigmaPionInnerTOF(),
pi2cTOFDiffOuter, pi2c.nSigmaPionOuterTOF(),
pi2c.hasSigPi(), pi2c.nSigmaPionRich(),
getPdgCodeForTrack(pi2c),

piccTOFDiffInner, picc.nSigmaPionInnerTOF(),
piccTOFDiffOuter, picc.nSigmaPionOuterTOF(),
picc.hasSigPi(), picc.nSigmaPionRich(),
Expand All @@ -774,9 +773,7 @@
prFromLa.dcaXY(), prFromLa.dcaZ(),
piFromLa.pt(), piFromLa.eta(),
piFromLa.dcaXY(), piFromLa.dcaZ(),
pi1c.eta(),
pi2c.eta(),
picc.eta());
pi1c.eta(), pi2c.eta(), picc.eta());
}
}
histos.fill(HIST("hCombinationsXiCC"), nCombinationsCC);
Expand Down
2 changes: 1 addition & 1 deletion ALICE3/Tasks/CMakeLists.txt
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Expand Up @@ -61,7 +61,7 @@ o2physics_add_dpl_workflow(alice3-taskcorrelationddbar

o2physics_add_dpl_workflow(alice3-multicharm
SOURCES alice3-multicharm.cxx
PUBLIC_LINK_LIBRARIES O2Physics::AnalysisCore
PUBLIC_LINK_LIBRARIES O2Physics::AnalysisCore O2Physics::MLCore
COMPONENT_NAME Analysis)

o2physics_add_dpl_workflow(alice3-efficiency
Expand Down
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