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[PWGEM/PhotonMeson,PWGJE/EMCal] Add MC smearing functionality and add found FT0 gen histogram #11918

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Merged
mhemmer-cern merged 1 commit into from
Jul 5, 2025
Merged

[PWGEM/PhotonMeson,PWGJE/EMCal] Add MC smearing functionality and add found FT0 gen histogram #11918

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6 changes: 6 additions & 0 deletions PWGEM/PhotonMeson/Tasks/emcalBcWiseGammaGamma.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -113,10 +113,12 @@
mHistManager.add("True/eta_invMassVsPt_HadronicShower", "Reconstructed validated eta meson from hadronic shower;#bf{#it{M}^{#gamma#gamma} (GeV/#it{c}^{2})};#bf{#it{p}_{T}^{#gamma#gamma} (GeV/#it{c})};#bf{FT0M centrality (%)}", HistType::kTH3F, {{400, 0., 0.8}, {200, 0., 20.}, cfgCentralityBinning});

mHistManager.add("Generated/pi0_AllBCs", "pT spectrum of generated pi0s in all BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#pi^{0}}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/pi0_FT0", "pT spectrum of generated pi0s in BCs with found FT0;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#pi^{0}}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/pi0_TVX", "pT spectrum of generated pi0s in TVX triggered BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#pi^{0}}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/pi0_kTVXinEMC", "pT spectrum of generated pi0s in kTVXinEMC triggered BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#pi^{0}}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Accepted/pi0_kTVXinEMC", "pT spectrum of accepted pi0s in kTVXinEMC triggered BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#pi^{0}}^{acc}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/eta_AllBCs", "pT spectrum of generated eta mesons in all BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#eta}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/eta_FT0", "pT spectrum of generated eta mesons in BCs with found FT0;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#eta}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/eta_TVX", "pT spectrum of generated eta mesons in TVX triggered BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#eta}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Generated/eta_kTVXinEMC", "pT spectrum of generated eta mesons in kTVXinEMC triggered BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#eta}^{gen}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
mHistManager.add("Accepted/eta_kTVXinEMC", "pT spectrum of accepted eta mesons in kTVXinEMC triggered BCs;#bf{#it{p}_{T} (GeV/#it{c})};#bf{FT0M centrality (%)};#bf{#it{N}_{#eta}^{acc}}", HistType::kTH2F, {{200, 0, 20}, cfgCentralityBinning});
Expand Down Expand Up @@ -145,7 +147,7 @@
float mu = bc.mu();
mHistManager.fill(HIST("Event/Mu"), mu);
mHistManager.fill(HIST("Event/TimeSinceSOF"), bc.timeSinceSOF() / 60.);
double p = mu > 0.001 ? mu / (1 - std::exp(-mu)) : 1.; // No pile-up for small mu (protection against division by zero)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
mHistManager.fill(HIST("Event/nCollisions"), 0, bc.centrality(), p);
if (bc.hasFT0()) {
mHistManager.fill(HIST("Event/nBCs"), 1, bc.centrality());
Expand All @@ -172,7 +174,7 @@
mHistManager.fill(HIST("Event/CentralityVsAmplitude"), bc.centrality(), bc.ft0Amplitude());

mHistManager.fill(HIST("Event/nCollPerBC"), collisions.size(), bc.centrality());
if (collisions.size() == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
mHistManager.fill(HIST("Event/Z1VsZ2"), collisions.iteratorAt(0).zVtx(), collisions.iteratorAt(1).zVtx());
mHistManager.fill(HIST("Event/dZ"), collisions.iteratorAt(0).zVtx() - collisions.iteratorAt(1).zVtx());
}
Expand Down Expand Up @@ -205,7 +207,7 @@

mHistManager.fill(HIST("GG/invMassVsPt"), v12.M(), v12.Pt(), bc.centrality());

if (clusters.size() < 3)

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[magic-number] 

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

if (bc.globalIndex() % cfgBGEventDownsampling != 0)
Expand All @@ -215,7 +217,7 @@

ROOT::Math::AxisAngle rotationAxis(v12.Vect(), constants::math::PIHalf);
ROOT::Math::Rotation3D rotationMatrix(rotationAxis);
for (ROOT::Math::PtEtaPhiMVector vi : {v1, v2}) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.

vi = rotationMatrix * vi;

Expand Down Expand Up @@ -294,7 +296,7 @@
return false;
if (cfgSelectOnlyUniqueAmbiguous == 1 && collisions.size() != 1)
return false;
if (cfgSelectOnlyUniqueAmbiguous == 2 && collisions.size() == 1)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return false;
if (cfgMinTimeSinceSOF > bc.timeSinceSOF() / 60 || cfgMaxTimeSinceSOF < bc.timeSinceSOF() / 60)
return false;
Expand All @@ -306,6 +308,8 @@
for (const auto& mcPi0 : mcPi0s) {
if (mcPi0.isPrimary()) {
mHistManager.fill(HIST("Generated/pi0_AllBCs"), mcPi0.pt(), bc.centrality());
if (bc.hasFT0())
mHistManager.fill(HIST("Generated/pi0_FT0"), mcPi0.pt(), bc.centrality());
if (bc.hasTVX())
mHistManager.fill(HIST("Generated/pi0_TVX"), mcPi0.pt(), bc.centrality());
if (bc.haskTVXinEMC())
Expand All @@ -317,6 +321,8 @@
for (const auto& mcEta : mcEtas) {
if (mcEta.isPrimary()) {
mHistManager.fill(HIST("Generated/eta_AllBCs"), mcEta.pt(), bc.centrality());
if (bc.hasFT0())
mHistManager.fill(HIST("Generated/eta_FT0"), mcEta.pt(), bc.centrality());
if (bc.hasTVX())
mHistManager.fill(HIST("Generated/eta_TVX"), mcEta.pt(), bc.centrality());
if (bc.haskTVXinEMC())
Expand Down
4 changes: 4 additions & 0 deletions PWGJE/TableProducer/emcalCorrectionTask.cxx
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Expand Up @@ -117,6 +117,7 @@
Configurable<bool> applyTempCalib{"applyTempCalib", false, "Switch to turn on Temperature calibration."};
Configurable<std::string> pathTempCalibCCDB{"pathTempCalibCCDB", "Users/j/jokonig/EMCalTempCalibParams", "Path in the ccdb where slope and intercept for each cell are stored"}; // change to official path as soon as it is available
Configurable<bool> useTempCalibMean{"useTempCalibMean", false, "Switch to turn on Temperature mean calculation instead of median."};
Configurable<float> mcCellEnergyResolutionBroadening{"mcCellEnergyResolutionBroadening", 0., "Relative widening of the MC cell energy resolution. 0 for no widening, 0.1 for 10% widening, etc. Only applied to MC."};

// Require EMCAL cells (CALO type 1)
Filter emccellfilter = aod::calo::caloType == selectedCellType;
Expand Down Expand Up @@ -227,11 +228,11 @@

// Define the cell energy binning
std::vector<double> cellEnergyBins;
for (int i = 0; i < 51; i++)

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[magic-number] 

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cellEnergyBins.emplace_back(0.1 * (i - 0) + 0.0); // from 0 to 5 GeV/c, every 0.1 GeV
for (int i = 51; i < 76; i++)

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cellEnergyBins.emplace_back(0.2 * (i - 51) + 5.2); // from 5.2 to 10.0 GeV, every 0.2 GeV
for (int i = 76; i < 166; i++)

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cellEnergyBins.emplace_back(1. * (i - 76) + 11.); // from 11.0 to 100. GeV, every 1 GeV

// Setup QA hists.
Expand Down Expand Up @@ -488,6 +489,9 @@
if (static_cast<bool>(hasShaperCorrection) && emcal::intToChannelType(cell.cellType()) == emcal::ChannelType_t::LOW_GAIN) { // Apply shaper correction to LG cells
amplitude = o2::emcal::NonlinearityHandler::evaluateShaperCorrectionCellEnergy(amplitude);
}
if (mcCellEnergyResolutionBroadening != 0.) {
amplitude *= (1. + normalgaus(rdgen) * mcCellEnergyResolutionBroadening); // Fine tune the MC cell energy resolution
}
cellsBC.emplace_back(cell.cellNumber(),
amplitude,
cell.time() + getCellTimeShift(cell.cellNumber(), amplitude, o2::emcal::intToChannelType(cell.cellType()), runNumber),
Expand Down Expand Up @@ -884,7 +888,7 @@
}
// Tracks that do not point to the EMCal/DCal/PHOS get default values of -999
// This way we can cut out tracks that do not point to the EMCal+DCal
if (track.trackEtaEmcal() < -900 || track.trackPhiEmcal() < -900) {

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continue;
}
if (trackMinPt > 0 && track.pt() < trackMinPt) {
Expand Down Expand Up @@ -950,7 +954,7 @@
return cellAbsScaleFactors.value[mClusterizers.at(0)->getGeometry()->GetSMType(iSM)];

// Apply cell scale based on columns to accoutn for material of TRD structures
} else if (applyCellAbsScale == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
auto res = mClusterizers.at(0)->getGeometry()->GlobalRowColFromIndex(cellID);
return cellAbsScaleFactors.value[std::get<1>(res)];
} else {
Expand Down
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