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[PWGLF] Make n of subsamples configurable #14220

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Merged
maciacco merged 2 commits into from
Dec 16, 2025
Merged

[PWGLF] Make n of subsamples configurable #14220

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4cdb853
[PWGLF] Make n of subsamples configurable
alcaliva Dec 15, 2025
4cceb7e
Fix C++11 narrowing in AxisSpec initialization
alcaliva Dec 15, 2025
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5 changes: 3 additions & 2 deletions PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,7 @@ struct AntinucleiInJets {
Configurable<double> maxNormalizedJetArea{"maxNormalizedJetArea", 1.0, "area cut"};
Configurable<double> deltaEtaEdge{"deltaEtaEdge", 0.05, "eta gap from the edge"};
Configurable<int> nSyst{"nSyst", 50, "number of systematic variations"};
Configurable<int> nSubsamples{"nSubsamples", 50, "number of subsamples"};

// Track quality, kinematic, and PID selection parameters
Configurable<bool> requirePvContributor{"requirePvContributor", false, "require that the track is a PV contributor"};
Expand Down Expand Up @@ -472,7 +473,7 @@ struct AntinucleiInJets {
const AxisSpec nBarD2Axis{100, 0.0, 100.0, "N_{#bar{d}}^{i} #times N_{#bar{d}}^{j}"};
const AxisSpec nBarP2Axis{100, 0.0, 100.0, "N_{#bar{p}}^{i} #times N_{#bar{p}}^{j}"};
const AxisSpec nBarDnBarPAxis{100, 0.0, 100.0, "N_{#bar{d}}^{i} #times N_{#bar{p}}^{j}"};
const AxisSpec subsampleAxis{20, 0, 20, "Subsample Index"};
const AxisSpec subsampleAxis{nSubsamples, 0, static_cast<double>(nSubsamples), "Subsample Index"};

// Event counter
registryCorr.add("eventCounter", "number of events", HistType::kTH1F, {{20, 0, 20, "counter"}});
Expand Down Expand Up @@ -2684,7 +2685,7 @@ struct AntinucleiInJets {
registryCorr.fill(HIST("eventCounter"), 7.5);

// Assign event to a random subsample (0-19)
double sampleId = mRand.Integer(20) + 0.5;
double sampleId = mRand.Integer(nSubsamples) + 0.5;

// Multiplicity percentile
const float multiplicity = collision.centFT0M();
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