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Merged
maciacco merged 3 commits into from
Dec 12, 2025
Merged

[PWGLF] now the task fills both matter and antimatter #14172

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cc8d9a9
now the task fills both matter and antimatter
GiorgioAlbertoLucia Dec 11, 2025
ca14220
fixed megalinter request
GiorgioAlbertoLucia Dec 11, 2025
890400a
clang format
GiorgioAlbertoLucia Dec 11, 2025
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260 changes: 171 additions & 89 deletions PWGLF/Tasks/Nuspex/nucleiFromHypertritonMap.cxx
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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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[name/workflow-file] 

Name of a workflow file must match the name of the main struct in it (without the PWG prefix). (Class implementation files should be in "Core" directories.)
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand All @@ -18,6 +18,10 @@
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/TrackSelectionTables.h"

#include "CCDB/BasicCCDBManager.h"
#include "DataFormatsParameters/GRPMagField.h"
#include "DataFormatsParameters/GRPObject.h"
#include "DetectorsBase/Propagator.h"
#include "Framework/ASoA.h"
#include "Framework/ASoAHelpers.h"
#include "Framework/AnalysisDataModel.h"
Expand All @@ -30,13 +34,14 @@
#include "ReconstructionDataFormats/PID.h"
#include "ReconstructionDataFormats/Track.h"

#include <TDatabasePDG.h>

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[pdg/database] 

Do not use TDatabasePDG directly. Use o2::constants::physics::Mass... or Service<o2::framework::O2DatabasePDG> instead.
#include <TMath.h>
#include <TPDGCode.h>
#include <TRandom.h>
#include <TVector2.h>
#include <TVector3.h>

#include <string>
#include <vector>

using namespace std;
Expand All @@ -46,9 +51,20 @@
using namespace o2::constants::physics;
using std::array;

using MCTracks = soa::Join<aod::Tracks, aod::TracksExtra, aod::TrackSelection, aod::TrackSelectionExtension, aod::TracksDCA, aod::McTrackLabels>;
namespace
{
constexpr int DeuteronPDG = o2::constants::physics::kDeuteron;
constexpr int HePDG = o2::constants::physics::kHelium3;
constexpr int HypertritonPDG = o2::constants::physics::kHyperTriton;
constexpr int HyperHelium4PDG = o2::constants::physics::kHyperHelium4;
} // namespace

struct nucleiFromHypertritonMap {

using MCCollisions = soa::Join<aod::Collisions, aod::EvSels, aod::McCollisionLabels>;
using MCTracks = soa::Join<aod::TracksIU, aod::TracksExtra, aod::TracksCovIU, aod::McTrackLabels>;
Preslice<aod::McParticles> mMcParticlesPerCollision = o2::aod::mcparticle::mcCollisionId;

HistogramRegistry registryMC{
"registryMC",
{},
Expand All @@ -57,12 +73,12 @@
true};

// Track Parameters
Configurable<int> min_ITS_nClusters{"min_ITS_nClusters", 7, "minimum number of found ITS clusters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<int> min_ITS_InnerBarrel_nClusters{"min_ITS_InnerBarrel_nClusters", 1, "minimum number of found ITS Inner Barrel clusters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<int> max_ITS_InnerBarrel_nClusters{"max_ITS_InnerBarrel_nClusters", 3, "maximum number of found ITS Inner Barrel clusters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<int> min_TPC_nClusters{"min_TPC_nClusters", 100, "minimum number of found TPC clusters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<int> min_TPC_nCrossedRows{"min_TPC_nCrossedRows", 70, "minimum number of TPC crossed pad rows"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> max_chi2_TPC{"max_chi2_TPC", 4.0f, "maximum TPC chi^2/Ncls"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> min_chi2_TPC{"min_chi2_ITS", 0.5f, "minimum TPC chi^2/Ncls"};
Configurable<float> min_eta{"min_eta", -0.8f, "minimum_eta"};
Configurable<float> max_eta{"max_eta", +0.8f, "maximum_eta"};
Expand All @@ -70,119 +86,185 @@
Configurable<float> max_dcaz{"max_dcaz", 0.05f, "Maximum DCAz"};
Configurable<float> min_nsigmaTPC{"min_nsigmaTPC", -2.0f, "Minimum nsigma TPC"};
Configurable<float> max_nsigmaTPC{"max_nsigmaTPC", +2.0f, "Maximum nsigma TPC"};
Configurable<float> min_pt{"min_pt", 0.0f, "minimum pt of the tracks"};
Configurable<float> max_pt{"max_pt", 10.0f, "maximum pt of the tracks"};
Configurable<int> nbin_pt{"nbin_pt", 50, "number of pt bins"};
Configurable<int> nbin_dca = {"nbin_dca", 50, "number of DCA bins"};

Configurable<float> settingCutVertex{"settingCutVertex", 10.0f, "Accepted z-vertex range"};
ConfigurableAxis pt_axis{"pt_axis", {50, -10.f, 10.f}, ";signed #it{p}_{T} (GeV/#it{c});Counts"};

Configurable<bool> saveHelium{"saveHelium", false, "Save helium candidates"};

int AntideuteronPDG = -1000010020;
int AntihePDG = -1000020030;
int AntiHypertritonPDG = -1010010030;
int AntiHyperHelium4PDG = -1010020040;
Configurable<int> cfgMaterialCorrection{"cfgMaterialCorrection", static_cast<int>(o2::base::Propagator::MatCorrType::USEMatCorrLUT), "Type of material correction"};
Configurable<std::string> cfgCCDBurl{"ccdb-url", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};
Service<o2::ccdb::BasicCCDBManager> mCcdb;
int mRunNumber = 0;
float mBz = 0.f;

int mSelectedPDG = 0;
o2::dataformats::DCA mDcaInfoCov;
o2::track::TrackParametrizationWithError<float> mTrackParCov;
o2::base::MatLayerCylSet* mLut = nullptr;

void init(InitContext const&)
{
registryMC.add("hypertritonPtGen", "hypertritonPtGen", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
mCcdb->setURL(cfgCCDBurl);
mCcdb->setCaching(true);
mCcdb->setLocalObjectValidityChecking();
mCcdb->setFatalWhenNull(false);
mLut = o2::base::MatLayerCylSet::rectifyPtrFromFile(mCcdb->get<o2::base::MatLayerCylSet>("GLO/Param/MatLUT"));

registryMC.add("hypertritonPtGen", "hypertritonPtGen", HistType::kTH1F, {pt_axis});

if (saveHelium) {
registryMC.add("he3SecPtRec_from_hypertriton", "he3SecPtRec_from_hypertriton", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("he3SecPtGen_from_hypertriton", "he3SecPtGen_from_hypertriton", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("hyperHe4PtGen", "hyperHe4PtGen", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("he3SecPtRec_from_hyperHe4", "he3SecPtRec_from_hyperHe4", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("he3SecPtGen_from_hyperHe4", "he3SecPtGen_from_hyperHe4", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("he3PtRec", "he3PtRec", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("he3PtGen", "he3PtGen", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("he3SecPtRec_from_hypertriton", "he3SecPtRec_from_hypertriton", HistType::kTH1F, {pt_axis});
registryMC.add("he3SecPtGen_from_hypertriton", "he3SecPtGen_from_hypertriton", HistType::kTH1F, {pt_axis});
registryMC.add("hyperHe4PtGen", "hyperHe4PtGen", HistType::kTH1F, {pt_axis});
registryMC.add("he3SecPtRec_from_hyperHe4", "he3SecPtRec_from_hyperHe4", HistType::kTH1F, {pt_axis});
registryMC.add("he3SecPtGen_from_hyperHe4", "he3SecPtGen_from_hyperHe4", HistType::kTH1F, {pt_axis});
registryMC.add("he3PtRec", "he3PtRec", HistType::kTH1F, {pt_axis});
registryMC.add("he3PtGen", "he3PtGen", HistType::kTH1F, {pt_axis});
} else {
registryMC.add("deutSecPtRec_from_hypertriton", "deutSecPtRec_from_hypertriton", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("deutSecPtGen_from_hypertriton", "deutSecPtGen_from_hypertriton", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("deutPtRec", "deutPtRec", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("deutPtGen", "deutPtGen", HistType::kTH1F, {{nbin_pt, min_pt, max_pt, "p_{T} (GeV/c)"}});
registryMC.add("deutSecPtRec_from_hypertriton", "deutSecPtRec_from_hypertriton", HistType::kTH1F, {pt_axis});
registryMC.add("deutSecPtGen_from_hypertriton", "deutSecPtGen_from_hypertriton", HistType::kTH1F, {pt_axis});
registryMC.add("deutPtRec", "deutPtRec", HistType::kTH1F, {pt_axis});
registryMC.add("deutPtGen", "deutPtGen", HistType::kTH1F, {pt_axis});
}
}

void processMC(const aod::McParticles& mcParticles, const MCTracks& tracks)
{
int selectedPDG = 0;
if (saveHelium) {
selectedPDG = AntihePDG;
mSelectedPDG = HePDG;
} else {
selectedPDG = AntideuteronPDG;
mSelectedPDG = DeuteronPDG;
}
}

void initCCDB(const aod::BCsWithTimestamps::iterator& bc)
{
if (mRunNumber == bc.runNumber())
return;

auto timestamp = bc.timestamp();
mRunNumber = bc.runNumber();

o2::parameters::GRPMagField* grpmag = mCcdb->getForTimeStamp<o2::parameters::GRPMagField>("GLO/Config/GRPMagField", timestamp);
o2::base::Propagator::initFieldFromGRP(grpmag);
o2::base::Propagator::Instance()->setMatLUT(mLut);
mBz = static_cast<float>(grpmag->getNominalL3Field());
LOGF(info, "Retrieved GRP for timestamp %ull (%i) with magnetic field of %1.2f kZG", timestamp, mRunNumber, mBz);
}

void processMC(const MCCollisions& collisions, const aod::BCsWithTimestamps&, const aod::McParticles& mcParticles, const MCTracks& tracks)
{
for (const auto& collision : collisions) {

if (!collision.sel8() || std::abs(collision.posZ()) > settingCutVertex) {
return;
}

auto bc = collision.template bc_as<aod::BCsWithTimestamps>();
initCCDB(bc);

const int mcCollisionId = collision.mcCollisionId();
auto mcParticlesThisCollision = mcParticles.sliceBy(mMcParticlesPerCollision, mcCollisionId);
mcParticlesThisCollision.bindExternalIndices(&mcParticles);

for (const auto& mcparticle : mcParticlesThisCollision) {

if (((std::abs(mcparticle.pdgCode()) != HypertritonPDG && std::abs(mcparticle.pdgCode()) != HyperHelium4PDG) || !mcparticle.has_daughters()) && std::abs(mcparticle.pdgCode()) != mSelectedPDG) {
continue;
}

const float particleSign = mcparticle.pdgCode() < 0 ? -1. : 1.;

if (std::abs(mcparticle.pdgCode()) == HypertritonPDG) {

for (const auto& mcparticle : mcParticles) {
if (((mcparticle.pdgCode() == AntiHypertritonPDG || mcparticle.pdgCode() == AntiHyperHelium4PDG) && mcparticle.has_daughters()) || mcparticle.pdgCode() == selectedPDG) {
if (mcparticle.pdgCode() == AntiHypertritonPDG) {
for (auto& daughter : mcparticle.daughters_as<aod::McParticles>()) {
if (daughter.pdgCode() == selectedPDG) {
registryMC.fill(HIST("hypertritonPtGen"), mcparticle.pt());
if (saveHelium) {
registryMC.fill(HIST("he3SecPtGen_from_hypertriton"), daughter.pt());
} else {
registryMC.fill(HIST("deutSecPtGen_from_hypertriton"), daughter.pt());
}
for (const auto& daughter : mcparticle.daughters_as<aod::McParticles>()) {
if (std::abs(daughter.pdgCode()) != mSelectedPDG) {
continue;
}
const float daughterSign = daughter.pdgCode() < 0 ? -1. : 1.;

registryMC.fill(HIST("hypertritonPtGen"), particleSign * mcparticle.pt());
if (saveHelium) {
registryMC.fill(HIST("he3SecPtGen_from_hypertriton"), daughterSign * daughter.pt());
} else {
registryMC.fill(HIST("deutSecPtGen_from_hypertriton"), daughterSign * daughter.pt());
}
}
}
if (mcparticle.pdgCode() == AntiHyperHelium4PDG) {
for (auto& daughter : mcparticle.daughters_as<aod::McParticles>()) {
if (daughter.pdgCode() == selectedPDG) {
registryMC.fill(HIST("hyperHe4PtGen"), mcparticle.pt());
if (saveHelium) {
registryMC.fill(HIST("he3SecPtGen_from_hyperHe4"), daughter.pt());
}
} else if (std::abs(mcparticle.pdgCode()) == HyperHelium4PDG) {
for (const auto& daughter : mcparticle.daughters_as<aod::McParticles>()) {
if (std::abs(daughter.pdgCode()) != mSelectedPDG) {
continue;
}
const float daughterSign = daughter.pdgCode() < 0 ? -1. : 1.;

registryMC.fill(HIST("hyperHe4PtGen"), particleSign * mcparticle.pt());
if (saveHelium) {
registryMC.fill(HIST("he3SecPtGen_from_hyperHe4"), daughterSign * daughter.pt());
}
}
} else if (std::abs(mcparticle.pdgCode()) == HePDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("he3PtGen"), particleSign * mcparticle.pt());
} else if (std::abs(mcparticle.pdgCode()) == DeuteronPDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("deutPtGen"), particleSign * mcparticle.pt());
}
if (mcparticle.pdgCode() == AntihePDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("he3PtGen"), mcparticle.pt());
}

const o2::math_utils::Point3D<float> collisionVertex{collision.posX(), collision.posY(), collision.posZ()};

for (const auto& track : tracks) {

if (!track.has_mcParticle()) {
continue;
}
if (mcparticle.pdgCode() == AntideuteronPDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("deutPtGen"), mcparticle.pt());

const auto& mcparticle = track.mcParticle();
if (mcparticle.pdgCode() != mSelectedPDG) {
continue;
}
}
}

for (const auto& track : tracks) {
if (!track.has_mcParticle()) {
continue;
}
auto mcparticle = track.mcParticle();
if (mcparticle.pdgCode() != selectedPDG) {
continue;
}
mDcaInfoCov.set(999, 999, 999, 999, 999);
setTrackParCov(track, mTrackParCov);
mTrackParCov.setPID(track.pidForTracking());
std::array<float, 2> dcaInfo;
o2::base::Propagator::Instance()->propagateToDCA(collisionVertex, mTrackParCov, mBz, 2.f, static_cast<o2::base::Propagator::MatCorrType>(cfgMaterialCorrection.value), &dcaInfo);

if (track.itsNCls() < min_ITS_nClusters ||
track.itsNClsInnerBarrel() < min_ITS_InnerBarrel_nClusters ||
track.itsNClsInnerBarrel() > max_ITS_InnerBarrel_nClusters ||
track.tpcNClsFound() < min_TPC_nClusters ||
track.tpcNClsCrossedRows() < min_TPC_nCrossedRows ||
track.tpcNClsCrossedRows() < 0.8 * track.tpcNClsFindable() ||
track.tpcChi2NCl() > 4.f ||
track.tpcChi2NCl() < min_chi2_TPC ||
track.eta() < min_eta || track.eta() > max_eta ||
track.dcaXY() > max_dcaxy || track.dcaXY() < -max_dcaxy ||
track.dcaZ() > max_dcaz || track.dcaZ() < -max_dcaz ||
track.itsChi2NCl() > 36.f) {
continue;
}
if (mcparticle.pdgCode() == AntideuteronPDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("deutPtRec"), track.pt());
}
if (mcparticle.pdgCode() == AntihePDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("he3PtRec"), 2 * track.pt());
}
const float dcaXY = dcaInfo[0];
const float dcaZ = dcaInfo[1];

if (track.itsNCls() < min_ITS_nClusters ||
track.itsNClsInnerBarrel() < min_ITS_InnerBarrel_nClusters ||
track.itsNClsInnerBarrel() > max_ITS_InnerBarrel_nClusters ||
track.tpcNClsFound() < min_TPC_nClusters ||
track.tpcNClsCrossedRows() < min_TPC_nCrossedRows ||
track.tpcNClsCrossedRows() < 0.8 * track.tpcNClsFindable() ||

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
track.tpcChi2NCl() > max_chi2_TPC ||
track.tpcChi2NCl() < min_chi2_TPC ||
track.eta() < min_eta || track.eta() > max_eta ||
dcaXY > max_dcaxy || dcaXY < -max_dcaxy ||
dcaZ > max_dcaz || dcaZ < -max_dcaz ||
track.itsChi2NCl() > 36.f) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}

const float particleSign = mcparticle.pdgCode() < 0 ? -1. : 1.;

for (auto& motherparticle : mcparticle.mothers_as<aod::McParticles>()) {
if (motherparticle.pdgCode() == AntiHypertritonPDG || motherparticle.pdgCode() == AntiHyperHelium4PDG) {
if (motherparticle.pdgCode() == AntiHypertritonPDG) {
if (mcparticle.pdgCode() == AntihePDG) {
registryMC.fill(HIST("he3SecPtRec_from_hypertriton"), 2 * track.pt());
if (std::abs(mcparticle.pdgCode()) == DeuteronPDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("deutPtRec"), particleSign * track.pt());
}
if (std::abs(mcparticle.pdgCode()) == HePDG && mcparticle.isPhysicalPrimary()) {
registryMC.fill(HIST("he3PtRec"), particleSign * 2 * track.pt());
}

for (const auto& motherparticle : mcparticle.mothers_as<aod::McParticles>()) {

if (std::abs(motherparticle.pdgCode()) == HypertritonPDG) {
if (std::abs(mcparticle.pdgCode()) == HePDG) {
registryMC.fill(HIST("he3SecPtRec_from_hypertriton"), 2 * particleSign * track.pt());
} else {
registryMC.fill(HIST("deutSecPtRec_from_hypertriton"), track.pt());
registryMC.fill(HIST("deutSecPtRec_from_hypertriton"), particleSign * track.pt());
}
} else if (std::abs(motherparticle.pdgCode()) == HyperHelium4PDG) {
if (std::abs(mcparticle.pdgCode()) == HePDG) {
registryMC.fill(HIST("he3SecPtRec_from_hyperHe4"), 2 * particleSign * track.pt());
}
}
if (motherparticle.pdgCode() == AntiHyperHelium4PDG) {
registryMC.fill(HIST("he3SecPtRec_from_hyperHe4"), 2 * track.pt());
}
}
}
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