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[PWGLF] centrality properly stored in mc and added to output table #16589

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Merged
mpuccio merged 2 commits into from
Jun 9, 2026
+9 −3
Merged

[PWGLF] centrality properly stored in mc and added to output table #16589

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56518e5
centrality properly stored in mc and added to output table
GiorgioAlbertoLucia Jun 9, 2026
b02fab6
added include map
GiorgioAlbertoLucia Jun 9, 2026
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1 change: 1 addition & 0 deletions PWGLF/DataModel/LFSlimNucleiTables.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,19 +28,19 @@
DECLARE_SOA_COLUMN(Pt, pt, float);
DECLARE_SOA_COLUMN(Eta, eta, float);
DECLARE_SOA_COLUMN(Phi, phi, float);
DECLARE_SOA_COLUMN(TPCInnerParam, tpcInnerParam, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(Beta, beta, float);
DECLARE_SOA_COLUMN(Zvertex, zVertex, float);

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[name/o2-column] 

Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(NContrib, nContrib, int);
DECLARE_SOA_COLUMN(DCAxy, dcaxy, float);

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[name/o2-column] 

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DECLARE_SOA_COLUMN(DCAz, dcaz, float);

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DECLARE_SOA_COLUMN(TPCsignal, tpcSignal, float);

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[name/o2-column] 

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DECLARE_SOA_COLUMN(ITSchi2, itsChi2, float);

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DECLARE_SOA_COLUMN(TPCchi2, tpcChi2, float);

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DECLARE_SOA_COLUMN(TOFchi2, tofChi2, float);

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DECLARE_SOA_COLUMN(Flags, flags, uint16_t);
DECLARE_SOA_COLUMN(TPCfindableCls, tpcFindableCls, uint8_t);

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Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(TPCcrossedRows, tpcCrossedRows, uint8_t);

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Use UpperCamelCase for names of O2 columns and matching lowerCamelCase names for their getters.
DECLARE_SOA_COLUMN(ITSclsMap, itsClsMap, uint8_t);
DECLARE_SOA_COLUMN(TPCnCls, tpcNCls, uint8_t);
DECLARE_SOA_COLUMN(TPCnClsShared, tpcNClsShared, uint8_t);
Expand Down Expand Up @@ -201,6 +201,7 @@
NucleiTableNS::DCAxy,
NucleiTableNS::DCAz,
NucleiTableNS::Flags,
NucleiFlowTableNS::CentFT0C,
NucleiTableNS::gPt,
NucleiTableNS::McProcess,
NucleiTableNS::PDGcode,
Expand Down
11 changes: 8 additions & 3 deletions PWGLF/TableProducer/QC/nucleiQC.cxx
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Expand Up @@ -58,6 +58,7 @@
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <map>
#include <memory>
#include <stdexcept>
#include <string>
Expand Down Expand Up @@ -517,6 +518,7 @@ struct nucleiQC {
candidate.DCAxy,
candidate.DCAz,
candidate.flags,
candidate.centrality,
candidate.ptGenerated,
candidate.mcProcess,
candidate.pdgCode,
Expand All @@ -531,6 +533,7 @@ struct nucleiQC {
gRandom->SetSeed(67);
std::unordered_set<int> reconstructedMcParticles;
std::unordered_set<int> reconstructedCollisions;
std::map<int, float> mcCollisionIdToCentrality;

for (const auto& collision : collisions) {

Expand All @@ -539,8 +542,10 @@ struct nucleiQC {

if (!nuclei::eventSelection(collision, mHistograms, cfgEventSelections, cfgCutVertex))
continue;
mHistograms.fill(HIST("hCentrality"), nuclei::getCentrality(collision, cfgCentralityEstimator, mHistFailCentrality));
const float centrality = nuclei::getCentrality(collision, cfgCentralityEstimator, mHistFailCentrality);
mHistograms.fill(HIST("hCentrality"), centrality);
reconstructedCollisions.insert(collision.mcCollisionId());
mcCollisionIdToCentrality[collision.mcCollisionId()] = centrality;
mVtx.setPos({collision.posX(), collision.posY(), collision.posZ()});
mVtx.setCov(collision.covXX(), collision.covXY(), collision.covYY(), collision.covXZ(), collision.covYZ(), collision.covZZ());

Expand Down Expand Up @@ -635,8 +640,8 @@ struct nucleiQC {
}

nuclei::SlimCandidate candidate;
// candidate.centrality = nuclei::getCentrality(collision, cfgCentralityEstimator, mHistFailCentrality);
candidate.centrality = -1.f; // centrality is not well defined for non-reconstructed particles, set to -1 for now
const auto& centralityIt = mcCollisionIdToCentrality.find(particle.mcCollisionId());
candidate.centrality = centralityIt != mcCollisionIdToCentrality.end() ? centralityIt->second : -1.f;
fillCollisionFlag(particle, candidate, reconstructedCollisions);
fillNucleusFlagsPdgsMc(particle, candidate);
fillNucleusGeneratedVariables(particle, candidate);
Expand Down
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