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Merged
maciacco merged 3 commits into from
Sep 29, 2025
Merged

[PWGLF] revert and add trackID in output table #13156

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a19cee9
Update LFhe3HadronTables.h
blacwovie Sep 27, 2025
be27832
Update he3HadronFemto.cxx
blacwovie Sep 27, 2025
b4ef515
Update he3HadronFemto.cxx
blacwovie Sep 27, 2025
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6 changes: 5 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 @@ -32,11 +32,11 @@
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] 

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DECLARE_SOA_COLUMN(DCAxyHad, dcaxyHad, float);

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[name/o2-column] 

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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(DCApair, dcapair, 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 @@ -44,13 +44,15 @@
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] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
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(TrackIDHe3, trackIDHe3, int);
DECLARE_SOA_COLUMN(TrackIDHad, trackIDHad, int);

DECLARE_SOA_COLUMN(ItsClusterSizeHe3, itsClusterSizeHe3, uint32_t);
DECLARE_SOA_COLUMN(ItsClusterSizeHad, itsClusterSizeHad, uint32_t);
Expand Down Expand Up @@ -115,7 +117,9 @@
he3HadronTablesNS::SharedClustersHe3,
he3HadronTablesNS::SharedClustersHad,
he3HadronTablesNS::IsBkgUS,
he3HadronTablesNS::IsBkgEM)
he3HadronTablesNS::IsBkgEM,
he3HadronTablesNS::TrackIDHe3,
he3HadronTablesNS::TrackIDHad)
DECLARE_SOA_TABLE(he3HadronTableMC, "AOD", "HE3HADTABLEMC",
he3HadronTablesNS::PtMCHe3,
he3HadronTablesNS::EtaMCHe3,
Expand Down
103 changes: 6 additions & 97 deletions PWGLF/TableProducer/Nuspex/he3HadronFemto.cxx
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Expand Up @@ -15,7 +15,6 @@
/// \author Your Name (your.email@cern.ch)
/// \since April 2025

#include "PWGCF/FemtoWorld/Core/FemtoWorldMath.h"
#include "PWGLF/DataModel/EPCalibrationTables.h"
#include "PWGLF/DataModel/LFhe3HadronTables.h"
#include "PWGLF/Utils/svPoolCreator.h"
Expand Down Expand Up @@ -182,8 +181,6 @@ struct He3HadCandidate {

// collision information
int32_t collisionID = 0;

float kstarfem = 1.f;
};

struct he3HadronFemto {
Expand All @@ -198,12 +195,10 @@ struct he3HadronFemto {
Configurable<float> settingCutRigidityMinHe3{"settingCutRigidityMinHe3", 0.8f, "Minimum rigidity for He3"};
Configurable<float> settingCutEta{"settingCutEta", 0.9f, "Eta cut on daughter track"};
Configurable<float> settingCutDCAxy{"settingCutDCAxy", 2.0f, "DCAxy range for tracks"};
Configurable<float> settingCutDCAz{"settingCutDCAz", 3.0f, "DCAz range for tracks"};
Configurable<float> settingCutDCAz{"settingCutDCAz", 2.0f, "DCAz range for tracks"};
Configurable<float> settingCutChi2tpcLow{"settingCutChi2tpcLow", 0.5f, "Low cut on TPC chi2"};
Configurable<float> settingCutInvMass{"settingCutInvMass", 0.0f, "Invariant mass upper limit"};
Configurable<float> settingCutPtMinhe3Had{"settingCutPtMinhe3Had", 0.0f, "Minimum PT cut on he3Had4"};
Configurable<float> settingCutPtMinHad{"settingCutPtMinHad", 0.0f, "Minimum PT cut on Hadron"};
Configurable<float> settingCutPtMaxHad{"settingCutPtMaxHad", 0.0f, "Maximum PT cut on Hadron"};
Configurable<float> settingCutClSizeItsHe3{"settingCutClSizeItsHe3", 4.0f, "Minimum ITS cluster size for He3"};
Configurable<float> settingCutNCls{"settingCutNCls", 5.0f, "Minimum ITS Ncluster for tracks"};
Configurable<float> settingCutChi2NClITS{"settingCutChi2NClITS", 36.f, "Maximum ITS Chi2 for tracks"};
Expand Down Expand Up @@ -292,14 +287,6 @@ struct he3HadronFemto {
{"h2NsigmaHadronTPC_preselection", "NsigmaHe3 TPC distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TPC}(had)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"h2NsigmaHadronTOF", "NsigmaHadron TOF distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(had)", {HistType::kTH2F, {{20, -5.0f, 5.0f}, {200, -5.0f, 5.0f}}}},
{"h2NsigmaHadronTOF_preselection", "NsigmaHadron TOF distribution; #it{p}_{T} (GeV/#it{c}); n#sigma_{TOF}(had)", {HistType::kTH2F, {{100, -5.0f, 5.0f}, {400, -10.0f, 10.0f}}}},
{"hKstarLSmatter", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarLSantimatter", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarUSmatter", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarUSantimatter", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarLSmatter_femto", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarLSantimatter_femto", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarUSmatter_femto", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
{"hKstarUSantimatter_femto", ";kStar (GeV/c)", {HistType::kTH1F, {{300, 0.0f, 3.0f}}}},
},
OutputObjHandlingPolicy::AnalysisObject,
false,
Expand Down Expand Up @@ -440,8 +427,7 @@ struct he3HadronFemto {
candidate.tpcNClsCrossedRows() < crossedRowsToFindableRatio * candidate.tpcNClsFindable() ||
candidate.tpcChi2NCl() > maxChi2NCl ||
candidate.tpcChi2NCl() < settingCutChi2tpcLow ||
candidate.itsChi2NCl() > settingCutChi2NClITS || std::abs(candidate.dcaXY()) > settingCutDCAxy ||
std::abs(candidate.dcaZ()) > settingCutDCAz) {
candidate.itsChi2NCl() > settingCutChi2NClITS) {
return false;
}

Expand Down Expand Up @@ -622,9 +608,6 @@ struct he3HadronFemto {
return false;
}

if (std::abs(he3Hadcand.recoPtHad()) < settingCutPtMinHad || std::abs(he3Hadcand.recoPtHad()) > settingCutPtMaxHad)
return false;

he3Hadcand.signHe3 = trackHe3.sign();
he3Hadcand.signHad = trackHad.sign();
if (!settingEnableDCAfitter) {
Expand Down Expand Up @@ -693,7 +676,6 @@ struct he3HadronFemto {
beta = std::min(1.f - 1.e-6f, std::max(1.e-4f, beta)); /// sometimes beta > 1 or < 0, to be checked
he3Hadcand.massTOFHad = trackHad.tpcInnerParam() * std::sqrt(1.f / (beta * beta) - 1.f);
}
he3Hadcand.kstarfem = o2::analysis::femtoWorld::FemtoWorldMath::getkstar(trackHad, o2::constants::physics::MassPiPlus, trackHe3, o2::constants::physics::MassHelium3, 1, 2);

return true;
}
Expand Down Expand Up @@ -820,7 +802,9 @@ struct he3HadronFemto {
he3Hadcand.sharedClustersHe3,
he3Hadcand.sharedClustersHad,
he3Hadcand.isBkgUS,
he3Hadcand.isBkgEM);
he3Hadcand.isBkgEM,
he3Hadcand.trackIDHe3,
he3Hadcand.trackIDHad);
if (isMC) {
outputMcTable(
he3Hadcand.momHe3MC,
Expand Down Expand Up @@ -857,81 +841,6 @@ struct he3HadronFemto {
}

// ==================================================================================================================
double computePrTPCnsig(double InnerParamTPCHad, double SignalTPCHad)
{
double m_BBparamsProton[6] = {-54.42066571222577, 0.2857381250239097, 1.247140602468868, 0.6297483918147729, 2.985438833884555, 0.09};

float TPCinnerParam = InnerParamTPCHad;
float expTPCSignal = o2::tpc::BetheBlochAleph((TPCinnerParam / 0.9382721), m_BBparamsProton[0], m_BBparamsProton[1], m_BBparamsProton[2], m_BBparamsProton[3], m_BBparamsProton[4]);
double resoTPC{expTPCSignal * m_BBparamsProton[5]};
return ((SignalTPCHad - expTPCSignal) / resoTPC);
}

double tofNSigmaCalculation(double MassTOFHad, double ptHad)
{
double fExpTOFMassHad = 0.9487; // Proton mass in TOF
const float kp0 = 1.22204e-02;
const float kp1 = 7.48467e-01;

double fSigmaTOFMassHad = (kp0 * TMath::Exp(kp1 * TMath::Abs(ptHad))) * fExpTOFMassHad;
double fNSigmaTOFHad = (MassTOFHad - fExpTOFMassHad) / fSigmaTOFMassHad;
return fNSigmaTOFHad;
}

static float computeKstar(const He3HadCandidate& he3Hadcand)
{
const float massHe = o2::constants::physics::MassHelium3;
const float massHad = o2::constants::physics::MassPiPlus;

const ROOT::Math::PtEtaPhiMVector He(std::abs(he3Hadcand.recoPtHe3()), he3Hadcand.recoEtaHe3(), he3Hadcand.recoPhiHe3(), massHe);
const ROOT::Math::PtEtaPhiMVector Had(std::abs(he3Hadcand.recoPtHad()), he3Hadcand.recoEtaHad(), he3Hadcand.recoPhiHad(), massHad);
const ROOT::Math::PtEtaPhiMVector trackSum = He + Had;

const float beta = trackSum.Beta();
const float betax = beta * std::cos(trackSum.Phi()) * std::sin(trackSum.Theta());
const float betay = beta * std::sin(trackSum.Phi()) * std::sin(trackSum.Theta());
const float betaz = beta * std::cos(trackSum.Theta());

ROOT::Math::PxPyPzMVector HeCMS(He);
ROOT::Math::PxPyPzMVector HadCMS(Had);

const ROOT::Math::Boost boostPRF = ROOT::Math::Boost(-betax, -betay, -betaz);
HeCMS = boostPRF(HeCMS);
HadCMS = boostPRF(HadCMS);

const ROOT::Math::PxPyPzMVector RelKstar = HeCMS - HadCMS;
return 0.5 * RelKstar.P();
}

void fillKstar(const He3HadCandidate& he3Hadcand)
{
double PrTPCnsigma = computePrTPCnsig(he3Hadcand.momHadTPC, he3Hadcand.tpcSignalHad);
double PrTOFnsigma = tofNSigmaCalculation(he3Hadcand.massTOFHad, he3Hadcand.recoPtHad());
if (std::abs(PrTPCnsigma) < 3)
return;
if (std::abs(PrTOFnsigma) < 3)
return;

float kstar = computeKstar(he3Hadcand);
if (he3Hadcand.isBkgUS == 0) {
if (he3Hadcand.recoPtHe3() > 0) {
mQaRegistry.fill(HIST("hKstarLSmatter"), kstar);
mQaRegistry.fill(HIST("hKstarLSmatter_femto"), he3Hadcand.kstarfem);
} else {
mQaRegistry.fill(HIST("hKstarLSantimatter"), kstar);
mQaRegistry.fill(HIST("hKstarLSantimatter_femto"), he3Hadcand.kstarfem);
}
} else {
if (he3Hadcand.recoPtHe3() > 0) {
mQaRegistry.fill(HIST("hKstarUSmatter"), kstar);
mQaRegistry.fill(HIST("hKstarUSmatter_femto"), he3Hadcand.kstarfem);
} else {
mQaRegistry.fill(HIST("hKstarUSantimatter"), kstar);
mQaRegistry.fill(HIST("hKstarUSantimatter_femto"), he3Hadcand.kstarfem);
}
}
fillHistograms(he3Hadcand);
}

template <typename Tcollisions, typename Ttracks>
void fillPairs(const Tcollisions& collisions, const Ttracks& tracks, const bool isMixedEvent)
Expand All @@ -946,7 +855,7 @@ struct he3HadronFemto {
if (!fillCandidateInfo(heTrack, hadTrack, collBracket, collisions, he3Hadcand, tracks, isMixedEvent)) {
continue;
}
fillKstar(he3Hadcand);
fillHistograms(he3Hadcand);
auto collision = collisions.rawIteratorAt(he3Hadcand.collisionID);
fillTable(he3Hadcand, collision, /*isMC*/ false);
}
Expand Down
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