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[PWGLF] add pi-He3 MC process #12065

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Merged
maciacco merged 6 commits into from
Jul 16, 2025
Merged

[PWGLF] add pi-He3 MC process #12065

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12fc86a
add pi-He3 MC process
Jul 15, 2025
b58dfe8
Merge branch 'AliceO2Group:master' into master
blacwovie Jul 15, 2025
2be0c86
Please consider the following formatting changes
alibuild Jul 15, 2025
344c587
Merge pull request #19 from alibuild/alibot-cleanup-12065
blacwovie Jul 15, 2025
adc75bf
removed unused parameter 'mcParticles'
blacwovie Jul 16, 2025
10f1741
Update he3HadronFemto.cxx
blacwovie Jul 16, 2025
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9 changes: 8 additions & 1 deletion PWGLF/DataModel/LFhe3HadronTables.h
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[doc/file] 

Provide mandatory file documentation.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand All @@ -12,7 +12,7 @@
///
/// \file LFhe3HadronTables.h
/// \brief Slim tables for he3Hadron
///

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[doc/file] 

Documentation for \author is missing, incorrect or misplaced.

#include "Framework/AnalysisDataModel.h"
#include "Framework/ASoAHelpers.h"
Expand All @@ -32,10 +32,10 @@
DECLARE_SOA_COLUMN(EtaHad, etaHad, float);
DECLARE_SOA_COLUMN(PhiHad, phiHad, float);

DECLARE_SOA_COLUMN(DCAxyHe3, dcaxyHe3, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(DCAzHe3, dcazHe3, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(DCAxyHad, dcaxyHad, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(DCAzHad, dcazHad, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.

DECLARE_SOA_COLUMN(SignalTPCHe3, signalTPCHe3, float);
DECLARE_SOA_COLUMN(InnerParamTPCHe3, innerParamTPCHe3, float);
Expand All @@ -43,13 +43,13 @@
DECLARE_SOA_COLUMN(InnerParamTPCHad, innerParamTPCHad, float);
DECLARE_SOA_COLUMN(NClsTPCHe3, nClsTPCHe3, uint8_t);
DECLARE_SOA_COLUMN(NSigmaTPCHe3, nSigmaTPCHe3, float);
DECLARE_SOA_COLUMN(NSigmaTPCHad, nSigmaTOFHad, float);

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[name/o2-column] 

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DECLARE_SOA_COLUMN(Chi2TPCHe3, chi2TPCHe3, float);
DECLARE_SOA_COLUMN(Chi2TPCHad, chi2TPCHad, float);
DECLARE_SOA_COLUMN(MassTOFHe3, massTOFHe3, float);
DECLARE_SOA_COLUMN(MassTOFHad, massTOFHad, float);
DECLARE_SOA_COLUMN(PIDtrkHe3, pidTrkHe3, uint32_t);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(PIDtrkHad, pidTrkHad, uint32_t);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.

DECLARE_SOA_COLUMN(ItsClusterSizeHe3, itsClusterSizeHe3, uint32_t);
DECLARE_SOA_COLUMN(ItsClusterSizeHad, itsClusterSizeHad, uint32_t);
Expand All @@ -72,9 +72,13 @@
DECLARE_SOA_COLUMN(CollisionId, collisionId, int64_t);
DECLARE_SOA_COLUMN(ZVertex, zVertex, float);
DECLARE_SOA_COLUMN(Multiplicity, multiplicity, uint16_t);
DECLARE_SOA_COLUMN(CentralityFT0C, centFT0C, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(MultiplicityFT0C, multiplicityFT0C, float);

DECLARE_SOA_COLUMN(IsMotherLi4, isMotherLi4, bool);
DECLARE_SOA_COLUMN(IsHe3Primary, isHe3Primary, bool);
DECLARE_SOA_COLUMN(IsHadPrimary, isHadPrimary, bool);

} // namespace he3HadronTablesNS

DECLARE_SOA_TABLE(he3HadronTable, "AOD", "HE3HADTABLE",
Expand Down Expand Up @@ -115,7 +119,10 @@
he3HadronTablesNS::EtaMCHad,
he3HadronTablesNS::PhiMCHad,
he3HadronTablesNS::SignedPtMC,
he3HadronTablesNS::MassMC)
he3HadronTablesNS::MassMC,
he3HadronTablesNS::IsMotherLi4,
he3HadronTablesNS::IsHe3Primary,
he3HadronTablesNS::IsHadPrimary)
DECLARE_SOA_TABLE(he3HadronMult, "AOD", "HE3HADMULT",
he3HadronTablesNS::CollisionId,
he3HadronTablesNS::ZVertex,
Expand Down
85 changes: 80 additions & 5 deletions PWGLF/TableProducer/Nuspex/he3HadronFemto.cxx
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Expand Up @@ -91,6 +91,7 @@ static const std::vector<std::string> betheBlochParNames{"p0", "p1", "p2", "p3",
// constexpr float pionchargedMass = o2::constants::physics::MassPiPlus;
constexpr int Li4PDG = 1000030040;
constexpr int ProtonPDG = PDG_t::kProton;
constexpr int PionPDG = PDG_t::kPiPlus;
constexpr int He3PDG = o2::constants::physics::Pdg::kHelium3;
constexpr float CommonInite = 0.0f;
// constexpr int pichargedPDG = 211;
Expand Down Expand Up @@ -162,6 +163,10 @@ struct He3HadCandidate {
float etaHadMC = -99.f;
float phiHadMC = -99.f;

bool isHe3Primary = false;
bool isHadPrimary = false;
bool isMotherLi4 = false;

// collision information
int32_t collisionID = 0;
};
Expand Down Expand Up @@ -638,17 +643,26 @@ struct he3HadronFemto {
}

template <typename Mc>
void fillCandidateInfoMC(const Mc& mctrackHe3, const Mc& mctrackHad, const Mc& mctrackMother, He3HadCandidate& he3Hadcand)
void fillCandidateInfoMC(const Mc& mctrackHe3, const Mc& mctrackHad, He3HadCandidate& he3Hadcand)
{
LOG(info) << "--------------------------Filling candidate info MC";
he3Hadcand.momHe3MC = mctrackHe3.pt() * (mctrackHe3.pdgCode() > 0 ? 1 : -1);
he3Hadcand.etaHe3MC = mctrackHe3.eta();
he3Hadcand.phiHe3MC = mctrackHe3.phi();
he3Hadcand.momHadMC = mctrackHad.pt() * (mctrackHad.pdgCode() > 0 ? 1 : -1);
he3Hadcand.etaHadMC = mctrackHad.eta();
he3Hadcand.phiHadMC = mctrackHad.phi();
he3Hadcand.isHe3Primary = mctrackHe3.isPhysicalPrimary();
he3Hadcand.isHadPrimary = mctrackHad.isPhysicalPrimary();
}

template <typename Mc>
void fillMotherInfoMC(const Mc& mctrackHe3, const Mc& mctrackHad, const Mc& mctrackMother, He3HadCandidate& he3Hadcand)
{
he3Hadcand.l4PtMC = mctrackMother.pt() * (mctrackMother.pdgCode() > 0 ? 1 : -1);
const double eLit = mctrackHe3.e() + mctrackHad.e();
he3Hadcand.l4MassMC = std::sqrt(eLit * eLit - mctrackMother.p() * mctrackMother.p());
he3Hadcand.isMotherLi4 = std::abs(mctrackMother.pdgCode()) == Li4PDG;
}

template <typename Ttrack>
Expand Down Expand Up @@ -763,7 +777,10 @@ struct he3HadronFemto {
he3Hadcand.etaHadMC,
he3Hadcand.phiHadMC,
he3Hadcand.l4PtMC,
he3Hadcand.l4MassMC);
he3Hadcand.l4MassMC,
he3Hadcand.isMotherLi4,
he3Hadcand.isHe3Primary,
he3Hadcand.isHadPrimary);
}
if (settingFillMultiplicity) {
outputMultiplicityTable(
Expand Down Expand Up @@ -836,7 +853,8 @@ struct he3HadronFemto {
}
if (daughtHe3 && daughtHad) {
He3HadCandidate he3Hadcand;
fillCandidateInfoMC(mcHe3, mcHad, mcParticle, he3Hadcand);
fillCandidateInfoMC(mcHe3, mcHad, he3Hadcand);
fillMotherInfoMC(mcHe3, mcHad, mcParticle, he3Hadcand);
auto collision = collisions.rawIteratorAt(he3Hadcand.collisionID);
fillTable(he3Hadcand, collision, /*isMC*/ true);
}
Expand Down Expand Up @@ -945,7 +963,8 @@ struct he3HadronFemto {
if (!fillCandidateInfo(heTrack, prTrack, collBracket, collisions, he3Hadcand, tracks, /*mix*/ false)) {
continue;
}
fillCandidateInfoMC(mctrackHe3, mctrackHad, mothertrack, he3Hadcand);
fillCandidateInfoMC(mctrackHe3, mctrackHad, he3Hadcand);
fillMotherInfoMC(mctrackHe3, mctrackHad, mothertrack, he3Hadcand);
fillHistograms(he3Hadcand);
auto collision = collisions.rawIteratorAt(he3Hadcand.collisionID);
fillTable(he3Hadcand, collision, /*isMC*/ true);
Expand All @@ -959,6 +978,61 @@ struct he3HadronFemto {
}
PROCESS_SWITCH(he3HadronFemto, processMC, "Process MC", false);

void processPiHe3MC(const CollisionsFullMC& collisions, const aod::BCsWithTimestamps& bcs, const TrackCandidatesMC& tracks, const aod::McParticles& /* mcParticles */)
{
mGoodCollisions.clear();
mGoodCollisions.resize(collisions.size(), false);

LOG(info) << "processPiHe3MC begin";

for (const auto& collision : collisions) {

mTrackPairs.clear();

if (!selectCollision</*isMC*/ true>(collision, bcs)) {
continue;
}

const uint64_t collIdx = collision.globalIndex();
mGoodCollisions[collIdx] = true;
auto trackTableThisCollision = tracks.sliceBy(mPerColMC, collIdx);
trackTableThisCollision.bindExternalIndices(&tracks);

pairTracksSameEvent(trackTableThisCollision);

for (const auto& trackPair : mTrackPairs) {

auto heTrack = tracks.rawIteratorAt(trackPair.tr0Idx);
auto piTrack = tracks.rawIteratorAt(trackPair.tr1Idx);
auto collBracket = trackPair.collBracket;

if (!heTrack.has_mcParticle() || !piTrack.has_mcParticle()) {
continue;
}

auto mctrackHe3 = heTrack.mcParticle();
auto mctrackHad = piTrack.mcParticle();

if (std::abs(mctrackHe3.pdgCode()) != He3PDG || std::abs(mctrackHad.pdgCode()) != PionPDG) {
continue;
}
LOG(info) << "only pi-He3";

He3HadCandidate he3Hadcand;
if (!fillCandidateInfo(heTrack, piTrack, collBracket, collisions, he3Hadcand, tracks, /*mix*/ false)) {
continue;
}

fillCandidateInfoMC(mctrackHe3, mctrackHad, he3Hadcand);
fillHistograms(he3Hadcand);
LOG(info) << "fillHistograms done";
auto collision = collisions.rawIteratorAt(he3Hadcand.collisionID);
fillTable(he3Hadcand, collision, /*isMC*/ true);
}
}
}
PROCESS_SWITCH(he3HadronFemto, processPiHe3MC, "Process pi-He3 MC", false);

void processSameEventPools(const CollisionsFull& collisions, const TrackCandidates& tracks, const aod::AmbiguousTracks& ambiguousTracks, const aod::BCsWithTimestamps& bcs)
{
mGoodCollisions.clear();
Expand Down Expand Up @@ -1073,7 +1147,8 @@ struct he3HadronFemto {
if (!fillCandidateInfo(heTrack, prTrack, collBracket, collisions, he3Hadcand, tracks, /*mix*/ false)) {
continue;
}
fillCandidateInfoMC(mctrackHe3, mctrackHad, mothertrackHe, he3Hadcand);
fillCandidateInfoMC(mctrackHe3, mctrackHad, he3Hadcand);
fillMotherInfoMC(mctrackHe3, mctrackHad, mothertrackHe, he3Hadcand);
fillHistograms(he3Hadcand);
auto collision = collisions.rawIteratorAt(he3Hadcand.collisionID);
fillTable(he3Hadcand, collision, /*isMC*/ true);
Expand Down
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