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[PWGJE] EMCALQAtask: Add position difference histogram #12878

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

[PWGJE] EMCALQAtask: Add position difference histogram #12878

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12 changes: 12 additions & 0 deletions PWGJE/Tasks/taskEmcExtensiveMcQa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,8 @@ struct TaskEmcExtensiveMcQa {
ConfigurableAxis clusterNContributor{"clusterNContributor", {20, 0.5, 20.5}, "binning for the number of contributor of a cluster"};
ConfigurableAxis clusterEnergyRatio{"clusterEnergyRatio", {100, 0., 10.}, "binning for ratio of the deposited energy of the leading particle to its generated momentum cluster"};
ConfigurableAxis collisionCent{"collisionCent", {10, 0., 100.}, "binning for the event centrality"};
ConfigurableAxis clusterEtaReso{"clusterEtaReso", {100, -0.1, 0.1}, "binning for cluster position resolution in eta"};
ConfigurableAxis clusterPhiReso{"clusterPhiReso", {100, -0.1, 0.1}, "binning for cluster position resolution in phi"};

std::vector<float> mCellTime;

Expand All @@ -127,6 +129,10 @@ struct TaskEmcExtensiveMcQa {
const AxisSpec axisLeadingEnergy{clusterEnergy, "#it{E}_{lead} (GeV)"};
const AxisSpec axisLeadingGenMomentum{clusterEnergy, "#it{p}_{lead, gen} (GeV/#it{c})"};
const AxisSpec axisLeadingRatio{clusterEnergy, "#it{E}_{lead}/#it{p}_{lead, gen} (#it{c})"};
const AxisSpec axisEtaReso{clusterEtaReso, "#Delta#eta"};
const AxisSpec axisPhiReso{clusterPhiReso, "#Delta#varphi (rad)"};

const AxisSpec axisSM{{20, -0.5, 19.5}, "SM"};

// create histograms

Expand All @@ -138,6 +144,8 @@ struct TaskEmcExtensiveMcQa {
mHistManager.add("hSparseClusterContributors", "THnSparse with cluster contributors and energies", HistType::kTHnSparseF, {axisEnergy, axisParticle, axisNContributor, axisLeadingEnergy, axisLeadingGenMomentum, axisLeadingRatio, axisCent});
mHistManager.add("clusterEtaPhi", "Eta and phi of cluster", HistType::kTH2F, {{140, -0.7, 0.7}, {360, 0, o2::constants::math::TwoPI}});

mHistManager.add("hSparsePosReso", "THnSparse for cluster position resolution", HistType::kTHnSparseF, {axisEnergy, axisEtaReso, axisPhiReso, axisNCell, axisSM, axisParticle, axisNContributor, axisCent});

hfEvSel.addHistograms(mHistManager);

ccdb->setURL(ccdbUrl);
Expand Down Expand Up @@ -213,8 +221,12 @@ struct TaskEmcExtensiveMcQa {
float momentum = mainMcParticle.p();
float leadingEnergy = cluster.energy() * cluster.amplitudeA()[0];
float leadingFraction = leadingEnergy / momentum;
float dEta = cluster.eta() - mainMcParticle.eta();
float dPhi = cluster.phi() - mainMcParticle.phi();
int iSM = mGeometry->SuperModuleNumberFromEtaPhi(cluster.eta(), cluster.phi());
mHistManager.fill(HIST("hSparseClusterQA"), cluster.energy(), cluster.m02(), cluster.m20(), cluster.nCells(), radius, findPoIType(mainMcParticle), cluster.mcParticle().size(), cent);
mHistManager.fill(HIST("hSparseClusterContributors"), cluster.energy(), findPoIType(mainMcParticle), cluster.mcParticle().size(), leadingEnergy, momentum, leadingFraction, cent);
mHistManager.fill(HIST("hSparsePosReso"), cluster.energy(), dEta, dPhi, cluster.nCells(), iSM, findPoIType(mainMcParticle), cluster.mcParticle().size(), cent);
}
}
}
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