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[PWGLF] Add centrality binning histograms and configurable momentum and dedx binning #16596

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Merged
omvazque merged 16 commits into from
Jun 9, 2026
+128 −6
Merged

[PWGLF] Add centrality binning histograms and configurable momentum and dedx binning #16596

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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
53eaa79
Merge branch 'AliceO2Group:master' into master
PaolaVT Jun 2, 2026
ebacc3e
Histograms with a fine binning was added
Jun 2, 2026
9d64323
Added histograms with finer binning
Jun 2, 2026
5a06c3b
Added histograms with finer binning
Jun 2, 2026
fc3b28b
Merge branch 'AliceO2Group:master' into master
PaolaVT Jun 9, 2026
a08db2b
Added histograms with finer binning for MC and make momentum configur…
Jun 9, 2026
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5 changes: 3 additions & 2 deletions PWGLF/Tasks/Nuspex/dedxPidAnalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -251,7 +251,7 @@ struct DedxPidAnalysis {
static constexpr std::string_view DedxvsMomentumvsCentPos[CentralityClasses] = {"dEdx_vs_Momentum_Cent0_1_Pos", "dEdx_vs_Momentum_Cent1_5_Pos", "dEdx_vs_Momentum_Cent5_10_Pos", "dEdx_vs_Momentum_Cent10_15_Pos", "dEdx_vs_Momentum_Cent15_20_Pos", "dEdx_vs_Momentum_Cent20_30_Pos", "dEdx_vs_Momentum_Cent30_40_Pos", "dEdx_vs_Momentum_Cent40_50_Pos", "dEdx_vs_Momentum_Cent50_70_Pos", "dEdx_vs_Momentum_Cent70_100_Pos"};
static constexpr std::string_view DedxvsMomentumvsCentNeg[CentralityClasses] = {"dEdx_vs_Momentum_Cent0_1_Neg", "dEdx_vs_Momentum_Cent1_5_Neg", "dEdx_vs_Momentum_Cent5_10_Neg", "dEdx_vs_Momentum_Cent10_15_Neg", "dEdx_vs_Momentum_Cent15_20_Neg", "dEdx_vs_Momentum_Cent20_30_Neg", "dEdx_vs_Momentum_Cent30_40_Neg", "dEdx_vs_Momentum_Cent40_50_Neg", "dEdx_vs_Momentum_Cent50_70_Neg", "dEdx_vs_Momentum_Cent70_100_Neg"};
static constexpr std::string_view DedxvspTMomentumvsCent[CentralityClasses + 1] = {"dEdx_vs_pTMomentum_Cent0_1", "dEdx_vs_pTMomentum_Cent1_5", "dEdx_vs_pTMomentum_Cent5_10", "dEdx_vs_pTMomentum_Cent10_15", "dEdx_vs_pTMomentum_Cent15_20", "dEdx_vs_pTMomentum_Cent20_30", "dEdx_vs_pTMomentum_Cent30_40", "dEdx_vs_pTMomentum_Cent40_50", "dEdx_vs_pTMomentum_Cent50_70", "dEdx_vs_pTMomentum_Cent70_100", "dEdx_vs_pTMomentum_all_Pos"};
// Fine binnind
// Fine binning
static constexpr std::string_view CentpPos[CentralityClasses + 1] = {"p_vs_eta_Cent0_1_Pos", "p_vs_eta_Cent1_5_Pos", "p_vs_eta_Cent5_10_Pos", "p_vs_eta_Cent10_15_Pos", "p_vs_eta_Cent15_20_Pos", "p_vs_eta_Cent20_30_Pos", "p_vs_eta_Cent30_40_Pos", "p_vs_eta_Cent40_50_Pos", "p_vs_eta_Cent50_70_Pos", "p_vs_eta_Cent70_100_Pos", "p_vs_eta_MB_Pos"};
static constexpr std::string_view CentpNeg[CentralityClasses + 1] = {"p_vs_eta_Cent0_1_Neg", "p_vs_eta_Cent1_5_Neg", "p_vs_eta_Cent5_10_Neg", "p_vs_eta_Cent10_15_Neg", "p_vs_eta_Cent15_20_Neg", "p_vs_eta_Cent20_30_Neg", "p_vs_eta_Cent30_40_Neg", "p_vs_eta_Cent40_50_Neg", "p_vs_eta_Cent50_70_Neg", "p_vs_eta_Cent70_100_Neg", "p_vs_eta_MB_Neg"};
static constexpr std::string_view CentpTPos[CentralityClasses + 1] = {"pT_vs_eta_Cent0_1_Pos", "pT_vs_eta_Cent1_5_Pos", "pT_vs_eta_Cent5_10_Pos", "pT_vs_eta_Cent10_15_Pos", "pT_vs_eta_Cent15_20_Pos", "pT_vs_eta_Cent20_30_Pos", "pT_vs_eta_Cent30_40_Pos", "pT_vs_eta_Cent40_50_Pos", "pT_vs_eta_Cent50_70_Pos", "pT_vs_eta_Cent70_100_Pos", "pT_vs_eta_MB_Pos"};
Expand All @@ -272,6 +272,7 @@ struct DedxPidAnalysis {
Configurable<std::vector<float>> calibrationFactorPos{"calibrationFactorPos", {50.5157, 50.6359, 50.3198, 49.3345, 48.9197, 49.4931, 50.0188, 50.1406}, "positive calibration factors"};
ConfigurableAxis binP{"binP", {VARIABLE_WIDTH, 0.1, 0.12, 0.14, 0.16, 0.18, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 18.0, 20.0}, ""};
ConfigurableAxis centBins{"centBins", {100, 0, 100}, "Binning for centralidad"};
ConfigurableAxis dedxBins{"dedxBins", {100, 0, 100}, "Binning for dedx"};
ConfigurableAxis pFineBins{"pFineBins", {1995, 0.1, 40}, "Binning for momentum"};

// phi cut fits
Expand Down Expand Up @@ -360,7 +361,7 @@ struct DedxPidAnalysis {
}
LOGF(info, "Centrality clases between %.1f - %.1f", CentClasses[0], CentClasses[10]);

AxisSpec dedxAxis{100, 0.0, 100.0, "dE/dx (a. u.)"};
AxisSpec dedxAxis = {dedxBins, "dE/dx (a. u.)"};
AxisSpec ptAxis = {binP, "#it{p}_{T} (GeV/c)"};
AxisSpec etaAxis{8, -0.8, 0.8, "#eta"};
AxisSpec pAxis = {binP, "#it{p}/Z (GeV/c)"};
Expand Down
129 changes: 125 additions & 4 deletions PWGLF/Tasks/Nuspex/multiplicityPt.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@ struct MultiplicityPt {
static constexpr int RecMultBinMax = 100;
static constexpr int ParticlesType = 4;
static constexpr int ResponseMatrixTypes = 7;
static constexpr int CentralityClasses = 10;

enum INELCutSelection : int {
INEL = 0,
Expand Down Expand Up @@ -114,6 +115,11 @@ struct MultiplicityPt {
Configurable<float> cfgCutNsigmaPi{"cfgCutNsigmaPi", 3.0f, "nsigma cut for pions"};
Configurable<float> cfgCutNsigmaKa{"cfgCutNsigmaKa", 2.5f, "nsigma cut for kaons"};
Configurable<float> cfgCutNsigmaPr{"cfgCutNsigmaPr", 2.5f, "nsigma cut for protons"};
ConfigurableAxis ptBinning{"ptBinning", {VARIABLE_WIDTH, 0.1, 0.12, 0.14, 0.16, 0.18, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 18.0, 20.0}, "pT bin limits"};
ConfigurableAxis pFineBins{"pFineBins", {1995, 0.1, 40}, "Binning for momentum"};
ConfigurableAxis dedxBins{"dedxBins", {100, 0, 100}, "Binning for dedx"};

std::vector<double> centBinningStd = {0., 1., 5., 10., 15., 20., 30., 40., 50., 70., 100.};
// 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"};
Expand All @@ -128,6 +134,12 @@ struct MultiplicityPt {

static constexpr std::string_view ParticleFractionsVsPtNeg[ParticlesType + 1] = {"hFractionVsPt_Pion_Neg", "hFractionVsPt_Kaon_Neg", "hFractionVsPt_Proton_Neg", "hFractionVsPt_Electron_Neg", "hFractionVsPt_Muon_Neg"};

// Fine binning
static constexpr std::string_view CentpPos[CentralityClasses + 1] = {"p_vs_eta_Cent0_1_Pos", "p_vs_eta_Cent1_5_Pos", "p_vs_eta_Cent5_10_Pos", "p_vs_eta_Cent10_15_Pos", "p_vs_eta_Cent15_20_Pos", "p_vs_eta_Cent20_30_Pos", "p_vs_eta_Cent30_40_Pos", "p_vs_eta_Cent40_50_Pos", "p_vs_eta_Cent50_70_Pos", "p_vs_eta_Cent70_100_Pos", "p_vs_eta_MB_Pos"};
static constexpr std::string_view CentpNeg[CentralityClasses + 1] = {"p_vs_eta_Cent0_1_Neg", "p_vs_eta_Cent1_5_Neg", "p_vs_eta_Cent5_10_Neg", "p_vs_eta_Cent10_15_Neg", "p_vs_eta_Cent15_20_Neg", "p_vs_eta_Cent20_30_Neg", "p_vs_eta_Cent30_40_Neg", "p_vs_eta_Cent40_50_Neg", "p_vs_eta_Cent50_70_Neg", "p_vs_eta_Cent70_100_Neg", "p_vs_eta_MB_Neg"};
static constexpr std::string_view CentpTPos[CentralityClasses + 1] = {"pT_vs_eta_Cent0_1_Pos", "pT_vs_eta_Cent1_5_Pos", "pT_vs_eta_Cent5_10_Pos", "pT_vs_eta_Cent10_15_Pos", "pT_vs_eta_Cent15_20_Pos", "pT_vs_eta_Cent20_30_Pos", "pT_vs_eta_Cent30_40_Pos", "pT_vs_eta_Cent40_50_Pos", "pT_vs_eta_Cent50_70_Pos", "pT_vs_eta_Cent70_100_Pos", "pT_vs_eta_MB_Pos"};
static constexpr std::string_view CentpTNeg[CentralityClasses + 1] = {"pT_vs_eta_Cent0_1_Neg", "pT_vs_eta_Cent1_5_Neg", "pT_vs_eta_Cent5_10_Neg", "pT_vs_eta_Cent10_15_Neg", "pT_vs_eta_Cent15_20_Neg", "pT_vs_eta_Cent20_30_Neg", "pT_vs_eta_Cent30_40_Neg", "pT_vs_eta_Cent40_50_Neg", "pT_vs_eta_Cent50_70_Neg", "pT_vs_eta_Cent70_100_Neg", "pT_vs_eta_MB_Neg"};

TrackSelection customTrackCuts;
TF1* fphiCutLow = nullptr;
TF1* fphiCutHigh = nullptr;
Expand Down Expand Up @@ -360,13 +372,12 @@ void MultiplicityPt::init(InitContext const&)
}

// Axis definitions
ConfigurableAxis ptBinning{"ptBinning", {VARIABLE_WIDTH, 0.1, 0.12, 0.14, 0.16, 0.18, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 18.0, 20.0}, "pT bin limits"};
AxisSpec ptAxis = {ptBinning, "#it{p}_{T} (GeV/#it{c})"};
AxisSpec dedxAxis{100, 0.0, 100.0, "dE/dx (a. u.)"};
AxisSpec dedxAxis = {dedxBins, "dE/dx (a. u.)"};
AxisSpec etaAxis{8, -0.8, 0.8, "#eta"};
AxisSpec pAxis = {ptBinning, "#it{p} (GeV/#it{c})"};

std::vector<double> centBinningStd = {0., 1., 5., 10., 15., 20., 30., 40., 50., 60., 70., 80., 90., 100.};
AxisSpec pFineAxis{pFineBins, "#it{p} (GeV/c)"};
AxisSpec pTFineAxis{pFineBins, "#it{p}_{T} (GeV/c)"};
AxisSpec centAxis = {centBinningStd, "FT0M Centrality (%)"};

std::vector<double> centBinningFine;
Expand Down Expand Up @@ -496,6 +507,13 @@ void MultiplicityPt::init(InitContext const&)
{{etaAxis}, {ptAxis}, {pAxis}});
}

for (int i = 0; i < CentralityClasses + 1; ++i) {
ue.add(("Binning/" + std::string(CentpPos[i])).c_str(), "p vs eta", HistType::kTH2F, {{etaAxis}, {pFineAxis}});
ue.add(("Binning/" + std::string(CentpNeg[i])).c_str(), "p vs eta", HistType::kTH2F, {{etaAxis}, {pFineAxis}});
ue.add(("Binning/" + std::string(CentpTPos[i])).c_str(), "pT vs eta", HistType::kTH2F, {{etaAxis}, {pTFineAxis}});
ue.add(("Binning/" + std::string(CentpTNeg[i])).c_str(), "pT vs eta", HistType::kTH2F, {{etaAxis}, {pTFineAxis}});
}

// ===== 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}});
ue.add("ParticleFractions/hTotalCountsVsPtPos", "Total counts vs pT;#it{p}_{T} (GeV/#it{c});Counts", HistType::kTH2D, {{etaAxis}, {ptAxis}});
Expand Down Expand Up @@ -757,13 +775,116 @@ void MultiplicityPt::processMC(TrackTableMC const& tracks,
float eta = track.eta();
int charge = track.sign();

int centIndex = -1;
for (int j = 0; j < CentralityClasses; ++j) {
if (cent >= centBinningStd[j] && cent < centBinningStd[j + 1]) {
centIndex = j;
break;
}
}
if (centIndex == -1)
continue;

// dedx for all particles
if (charge > 0) {
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_all_Pos"), momentum, tpcSignal, eta);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Pos"), eta, track.pt(), momentum);
// binning
ue.fill(HIST("Binning/p_vs_eta_MB_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_MB_Pos"), eta, track.pt());

// For centrality
switch (centIndex) {
case 0:
ue.fill(HIST("Binning/p_vs_eta_Cent0_1_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent0_1_Pos"), eta, track.pt());
break;
case 1:
ue.fill(HIST("Binning/p_vs_eta_Cent1_5_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent1_5_Pos"), eta, track.pt());
break;
case 2:
ue.fill(HIST("Binning/p_vs_eta_Cent5_10_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent5_10_Pos"), eta, track.pt());
break;
case 3:
ue.fill(HIST("Binning/p_vs_eta_Cent10_15_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent10_15_Pos"), eta, track.pt());
break;
case 4:
ue.fill(HIST("Binning/p_vs_eta_Cent15_20_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent15_20_Pos"), eta, track.pt());
break;
case 5:
ue.fill(HIST("Binning/p_vs_eta_Cent20_30_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent20_30_Pos"), eta, track.pt());
break;
case 6:
ue.fill(HIST("Binning/p_vs_eta_Cent30_40_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent30_40_Pos"), eta, track.pt());
break;
case 7:
ue.fill(HIST("Binning/p_vs_eta_Cent40_50_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent40_50_Pos"), eta, track.pt());
break;
case 8:
ue.fill(HIST("Binning/p_vs_eta_Cent50_70_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent50_70_Pos"), eta, track.pt());
break;
case 9:
ue.fill(HIST("Binning/p_vs_eta_Cent70_100_Pos"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent70_100_Pos"), eta, track.pt());
break;
}
} else {
ue.fill(HIST("DedxVsMomentum/dEdx_vs_Momentum_all_Neg"), momentum, tpcSignal, eta);
ue.fill(HIST("ResponseMatrix/heta_vs_pt_vs_p_all_Neg"), eta, track.pt(), momentum);
// binning
ue.fill(HIST("Binning/p_vs_eta_MB_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_MB_Neg"), eta, track.pt());

switch (centIndex) {
case 0:
ue.fill(HIST("Binning/p_vs_eta_Cent0_1_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent0_1_Neg"), eta, track.pt());
break;
case 1:
ue.fill(HIST("Binning/p_vs_eta_Cent1_5_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent1_5_Neg"), eta, track.pt());
break;
case 2:
ue.fill(HIST("Binning/p_vs_eta_Cent5_10_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent5_10_Neg"), eta, track.pt());
break;
case 3:
ue.fill(HIST("Binning/p_vs_eta_Cent10_15_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent10_15_Neg"), eta, track.pt());
break;
case 4:
ue.fill(HIST("Binning/p_vs_eta_Cent15_20_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent15_20_Neg"), eta, track.pt());
break;
case 5:
ue.fill(HIST("Binning/p_vs_eta_Cent20_30_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent20_30_Neg"), eta, track.pt());
break;
case 6:
ue.fill(HIST("Binning/p_vs_eta_Cent30_40_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent30_40_Neg"), eta, track.pt());
break;
case 7:
ue.fill(HIST("Binning/p_vs_eta_Cent40_50_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent40_50_Neg"), eta, track.pt());
break;
case 8:
ue.fill(HIST("Binning/p_vs_eta_Cent50_70_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent50_70_Neg"), eta, track.pt());
break;
case 9:
ue.fill(HIST("Binning/p_vs_eta_Cent70_100_Neg"), eta, momentum);
ue.fill(HIST("Binning/pT_vs_eta_Cent70_100_Neg"), eta, track.pt());
break;
}
}

if (track.mcParticle().isPhysicalPrimary()) {
Expand Down
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