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[PWGLF] Histograms tests for the p to pT conversion #16246

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[PWGLF] Histograms tests for the p to pT conversion #16246

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1399f53
New hist was added
Apr 24, 2026
83e925b
Merge branch 'AliceO2Group:master' into master
PaolaVT May 5, 2026
7e25b0d
DCA cuts were changed, mass plots were added
May 5, 2026
d33387b
Merge branch 'AliceO2Group:master' into master
PaolaVT May 6, 2026
51f7078
Merge branch 'AliceO2Group:master' into master
PaolaVT May 8, 2026
460b55d
Histograms for the p to pT conversion were added
May 8, 2026
45d71ca
Histograms for the p to pT conversion
May 8, 2026
3de3411
Merge branch 'AliceO2Group:master' into master
PaolaVT May 13, 2026
6f85ddd
Merge branch 'AliceO2Group:master' into master
PaolaVT May 13, 2026
e2acbfb
Histograms for the p to pT conversion
May 13, 2026
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47 changes: 38 additions & 9 deletions PWGLF/Tasks/Nuspex/multiplicityPt.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@ struct MultiplicityPt {
static constexpr int MultBinMax = 200;
static constexpr int RecMultBinMax = 100;
static constexpr int ParticlesType = 4;
static constexpr int ResponseMatrixTypes = 7;

enum INELCutSelection : int {
INEL = 0,
Expand Down Expand Up @@ -115,6 +116,9 @@ struct MultiplicityPt {
// Histogram names for V0s dE/dx analysis
static constexpr std::string_view DedxvsMomentumPos[ParticlesType] = {"dEdx_vs_Momentum_all_Pos", "dEdx_vs_Momentum_Pi_v0_Pos", "dEdx_vs_Momentum_Pr_v0_Pos", "dEdx_vs_Momentum_El_v0_Pos"};
static constexpr std::string_view DedxvsMomentumNeg[ParticlesType] = {"dEdx_vs_Momentum_all_Neg", "dEdx_vs_Momentum_Pi_v0_Neg", "dEdx_vs_Momentum_Pr_v0_Neg", "dEdx_vs_Momentum_El_v0_Neg"};

static constexpr std::string_view EtavspvspTPosPart[ResponseMatrixTypes] = {"heta_vs_pt_vs_p_all_Pos", "heta_vs_pt_vs_p_all_Pos_Pri", "heta_vs_pt_vs_p_all_Pos_Pri_MC", "heta_vs_pt_vs_p_all_Pos_Pri_MC_Part", "heta_vs_pt_vs_p_Pi_Pos", "heta_vs_pt_vs_p_K_Pos", "heta_vs_pt_vs_p_Pr_Pos"};
static constexpr std::string_view EtavspvspTNegPart[ResponseMatrixTypes] = {"heta_vs_pt_vs_p_all_Neg", "heta_vs_pt_vs_p_all_Neg_Pri", "heta_vs_pt_vs_p_all_Neg_Pri_MC", "heta_vs_pt_vs_p_all_Neg_Pri_MC_Part", "heta_vs_pt_vs_p_Pi_Neg", "heta_vs_pt_vs_p_K_Neg", "heta_vs_pt_vs_p_Pr_Neg"};
// Particle fractions histograms
static constexpr std::string_view ParticleFractionsVsMomentumPos[ParticlesType + 1] = {"hFractionVsMomentum_Pion_Pos", "hFractionVsMomentum_Kaon_Pos", "hFractionVsMomentum_Proton_Pos", "hFractionVsMomentum_Electron_Pos", "hFractionVsMomentum_Muon_Pos"};

Expand Down Expand Up @@ -481,6 +485,15 @@ void MultiplicityPt::init(InitContext const&)
"dE/dx vs Momentum Negative", HistType::kTH3F,
{{pAxis}, {dedxAxis}, {etaAxis}});
}
// pt vs p
for (int i = 0; i < ResponseMatrixTypes; ++i) {
ue.add(("ResponseMatrix/" + std::string(EtavspvspTPosPart[i])).c_str(),
"eta vs pT vs p Positive", HistType::kTH3F,
{{etaAxis}, {ptAxis}, {pAxis}});
ue.add(("ResponseMatrix/" + std::string(EtavspvspTNegPart[i])).c_str(),
"eta vs pT vs p Negative", HistType::kTH3F,
{{etaAxis}, {ptAxis}, {pAxis}});
}

// ===== Particle Fractions as function of p and pT =====
ue.add("ParticleFractions/hTotalCountsVsMomentumPos", "Total counts vs momentum;#it{p} (GeV/#it{c});Counts", HistType::kTH2D, {{etaAxis}, {pAxis}});
Expand All @@ -498,13 +511,6 @@ void MultiplicityPt::init(InitContext const&)
ue.add(("ParticleFractions/" + std::string(ParticleFractionsVsPtNeg[i])).c_str(),
"Particle fraction vs pT", HistType::kTH2D, {{etaAxis}, {ptAxis}});
}
// pt vs p
ue.add(
"heta_vs_pt_vs_p_all_Neg", "eta_vs_pT_vs_p", HistType::kTH3F,
{{etaAxis}, {ptAxis}, {pAxis}});
ue.add(
"heta_vs_pt_vs_p_all_Pos", "eta_vs_pT_vs_p", HistType::kTH3F,
{{etaAxis}, {ptAxis}, {pAxis}});

LOG(info) << "=== Initialization complete ===";
}
Expand Down Expand Up @@ -753,24 +759,41 @@ void MultiplicityPt::processMC(TrackTableMC const& tracks,
// dedx for all particles
if (charge > 0) {
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_all_Pos"), momentum, tpcSignal, eta);
ue.fill(HIST("heta_vs_pt_vs_p_all_Pos"), eta, track.pt(), momentum);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Pos"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_all_Neg"), momentum, tpcSignal, eta);
ue.fill(HIST("heta_vs_pt_vs_p_all_Neg"), eta, track.pt(), momentum);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Neg"), eta, track.pt(), momentum);
}

if (track.mcParticle().isPhysicalPrimary()) {
if (charge > 0) {
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Pos_Pri"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Neg_Pri"), eta, track.pt(), momentum);
}
}

if (track.has_mcParticle()) {
const auto& particle = track.mcParticle();
int pdgCode = std::abs(particle.pdgCode());
if (particle.isPhysicalPrimary()) {
if (charge > 0) {
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Pos_Pri_MC"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Neg_Pri_MC"), eta, track.pt(), momentum);
}
}
if (pdgCode == PDG_t::kPiPlus || pdgCode == PDG_t::kKPlus || pdgCode == PDG_t::kProton || pdgCode == PDG_t::kElectron || pdgCode == PDG_t::kMuonPlus) {
if (particle.isPhysicalPrimary()) {
// Fill total counts for fractions
if (charge > 0) {
ue.fill(HIST("ParticleFractions/hTotalCountsVsMomentumPos"), eta, momentum);
ue.fill(HIST("ParticleFractions/hTotalCountsVsPtPos"), eta, track.pt());
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Pos_Pri_MC_Part"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("ParticleFractions/hTotalCountsVsMomentumNeg"), eta, momentum);
ue.fill(HIST("ParticleFractions/hTotalCountsVsPtNeg"), eta, track.pt());
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Neg_Pri_MC_Part"), eta, track.pt(), momentum);
}
}
}
Expand All @@ -784,10 +807,12 @@ void MultiplicityPt::processMC(TrackTableMC const& tracks,
ue.fill(HIST("ParticleFractions/hFractionVsMomentum_Pion_Pos"), eta, momentum);
ue.fill(HIST("ParticleFractions/hFractionVsPt_Pion_Pos"), eta, track.pt());
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_Pi_v0_Pos"), momentum, tpcSignal, eta);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_Pi_Pos"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("ParticleFractions/hFractionVsMomentum_Pion_Neg"), eta, momentum);
ue.fill(HIST("ParticleFractions/hFractionVsPt_Pion_Neg"), eta, track.pt());
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_Pi_v0_Neg"), momentum, tpcSignal, eta);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_Pi_Neg"), eta, track.pt(), momentum);
}

} else {
Expand All @@ -801,9 +826,11 @@ void MultiplicityPt::processMC(TrackTableMC const& tracks,
if (charge > 0) {
ue.fill(HIST("ParticleFractions/hFractionVsMomentum_Kaon_Pos"), eta, momentum);
ue.fill(HIST("ParticleFractions/hFractionVsPt_Kaon_Pos"), eta, track.pt());
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_K_Pos"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("ParticleFractions/hFractionVsMomentum_Kaon_Neg"), eta, momentum);
ue.fill(HIST("ParticleFractions/hFractionVsPt_Kaon_Neg"), eta, track.pt());
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_K_Neg"), eta, track.pt(), momentum);
}
} else {
ue.fill(HIST("Inclusive/hPtSecReco"), track.pt());
Expand All @@ -817,10 +844,12 @@ void MultiplicityPt::processMC(TrackTableMC const& tracks,
ue.fill(HIST("ParticleFractions/hFractionVsMomentum_Proton_Pos"), eta, momentum);
ue.fill(HIST("ParticleFractions/hFractionVsPt_Proton_Pos"), eta, track.pt());
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_Pr_v0_Pos"), momentum, tpcSignal, eta);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_Pr_Pos"), eta, track.pt(), momentum);
} else {
ue.fill(HIST("ParticleFractions/hFractionVsMomentum_Proton_Neg"), eta, momentum);
ue.fill(HIST("ParticleFractions/hFractionVsPt_Proton_Neg"), eta, track.pt());
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_Pr_v0_Neg"), momentum, tpcSignal, eta);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_Pr_Neg"), eta, track.pt(), momentum);
}
} else {
ue.fill(HIST("Inclusive/hPtSecReco"), track.pt());
Expand Down
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