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[PWGLF] Update centrality estimation for Run 3Switch centrality estimator between FT0C and FT0M for Run 3 processing (data and MC) #15877

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Merged
maciacco merged 1 commit into from
Apr 20, 2026
Merged

[PWGLF] Update centrality estimation for Run 3Switch centrality estimator between FT0C and FT0M for Run 3 processing (data and MC) #15877

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11 changes: 6 additions & 5 deletions PWGLF/TableProducer/Nuspex/ebyeMaker.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -244,13 +244,14 @@
ConfigurableAxis massLambdaAxis{"massLambdaAxis", {400, o2::constants::physics::MassLambda0 - 0.03f, o2::constants::physics::MassLambda0 + 0.03f}, "binning for the lambda invariant-mass"};

// binning of PID QA histograms
ConfigurableAxis momAxis{"momAxisFine", {5.e2, 0.f, 5.f}, "momentum axis binning"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
ConfigurableAxis tpcAxis{"tpcAxis", {4.e2, 0.f, 4.e3f}, "tpc signal axis binning"};

Configurable<float> zVtxMax{"zVtxMax", 10.0f, "maximum z position of the primary vertex"};
Configurable<float> etaMax{"etaMax", 0.8f, "maximum eta"};
Configurable<float> etaMaxV0dau{"etaMaxV0dau", 0.8f, "maximum eta V0 daughters"};
Configurable<float> outerPIDMin{"outerPIDMin", -4.f, "minimum outer PID"};
Configurable<int> centEst{"centEst", 1, "for Run 3: 0 -> FT0C, 1 -> FT0M"};

Configurable<uint8_t> countOnlyLSTrk{"countOnlyLSTrk", 0, "count only like sign tracks in Ntracks: 0 -> +ve and -ve; 1 -> -ve; 2 -> +ve"};
Configurable<bool> useAllEvSel{"useAllEvSel", false, "use additional event selections fo run 3 analyses"};
Expand All @@ -273,14 +274,14 @@
Configurable<float> lambdaPtMax{"lambdaPtMax", 4.f, "maximum (anti)lambda pT (GeV/c)"};

Configurable<float> trackNcrossedRows{"trackNcrossedRows", 70, "Minimum number of crossed TPC rows"};
Configurable<float> trackNclusItsCut{"trackNclusITScut", 2, "Minimum number of ITS clusters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> trackNclusTpcCut{"trackNclusTPCcut", 60, "Minimum number of TPC clusters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> trackChi2Cut{"trackChi2Cut", 4.f, "Maximum chi2/ncls in TPC"};
Configurable<float> trackMinChi2Cut{"trackMinChi2Cut", 0.f, "Minimum chi2/ncls in TPC"};

Configurable<float> v0trackNcrossedRows{"v0trackNcrossedRows", 100, "Minimum number of crossed TPC rows for V0 daughter"};
Configurable<float> v0trackNclusItsCut{"v0trackNclusITScut", 0, "Minimum number of ITS clusters for V0 daughter"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> v0trackNclusTpcCut{"v0trackNclusTPCcut", 100, "Minimum number of TPC clusters for V0 daughter"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> v0trackNsharedClusTpc{"v0trackNsharedClusTpc", 5, "Maximum number of shared TPC clusters for V0 daughter"};
Configurable<bool> v0requireITSrefit{"v0requireITSrefit", false, "require ITS refit for V0 daughter"};
Configurable<float> vetoMassK0Short{"vetoMassK0Short", 0.01f, "veto for V0 compatible with K0s mass"};
Expand All @@ -292,10 +293,10 @@
Configurable<float> antipNsigmaTpcCutLow{"antipNsigmaTpcCutLow", -4.f, "TPC PID cut low"};
Configurable<float> antipNsigmaTpcCutUp{"antipNsigmaTpcCutUp", 4.f, "TPC PID cut up"};

Configurable<float> v0settingDcaV0Dau{"v0setting_dcav0dau", 0.5f, "DCA V0 Daughters"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> v0settingDcaV0Pv{"v0setting_dcav0pv", 1.f, "DCA V0 to Pv"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> v0settingDcaDaughToPv{"v0setting_dcadaughtopv", 0.1f, "DCA Pos To PV"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<double> v0settingCosPa{"v0setting_cospa", 0.99f, "V0 CosPA"};

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[name/configurable] 

Use lowerCamelCase for names of configurables and use the same name for the struct member as for the JSON string. (Declare the type and names on the same line.)
Configurable<float> v0settingRadius{"v0setting_radius", 5.f, "v0radius"};
Configurable<float> v0settingLifetime{"v0setting_lifetime", 40.f, "v0 lifetime cut"};
Configurable<float> v0settingNSigmaTpc{"v0setting_nsigmatpc", 4.f, "nsigmatpc"};
Expand Down Expand Up @@ -562,7 +563,7 @@
// event QA
histos.add<TH1>("QA/zVtx", ";#it{z}_{vtx} (cm);Entries", HistType::kTH1F, {zVtxAxis});
if (doprocessRun3) {
histos.add<TH2>("QA/PvMultVsCent", ";Centrality FT0C (%);#it{N}_{tracks};", HistType::kTH2F, {centAxis, multAxis});
histos.add<TH2>("QA/PvMultVsCent", ";Centrality (%);#it{N}_{tracks};", HistType::kTH2F, {centAxis, multAxis});
} else if (doprocessRun2 || doprocessMiniRun2 || doprocessMcRun2 || doprocessMiniMcRun2) {
histos.add<TH2>("QA/V0MvsCL0", ";Centrality CL0 (%);Centrality V0M (%)", HistType::kTH2F, {centAxis, centAxis});
histos.add<TH2>("QA/trackletsVsV0M", ";Centrality CL0 (%);Centrality V0M (%)", HistType::kTH2F, {centAxis, multAxis});
Expand Down Expand Up @@ -614,7 +615,7 @@
for (const auto& track : tracks) {
if (track.trackType() == o2::aod::track::TrackTypeEnum::Run2Tracklet && std::abs(track.eta()) < etaMax && !(doprocessRun3 || doprocessMcRun3)) { // tracklet
nTrackletsColl++;
} else if (std::abs(track.eta()) < etaMax && track.itsNCls() > 3 && (doprocessRun3 || doprocessMcRun3)) { // ITS only + global tracks

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
nTrackletsColl++;
}
if (!selectTrack(track)) {
Expand Down Expand Up @@ -961,7 +962,7 @@
}
}

void processRun3(soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs> const& collisions, TracksFullIUPID const& tracks, aod::V0s const& V0s, aod::BCsWithTimestamps const&)
void processRun3(soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Ms, aod::CentFT0Cs> const& collisions, TracksFullIUPID const& tracks, aod::V0s const& V0s, aod::BCsWithTimestamps const&)
{
for (const auto& collision : collisions) {
auto bc = collision.bc_as<aod::BCsWithTimestamps>();
Expand All @@ -970,7 +971,7 @@
if (std::abs(collision.posZ()) > zVtxMax || !collision.selection_bit(aod::evsel::kNoITSROFrameBorder) || !collision.selection_bit(aod::evsel::kNoTimeFrameBorder) || !collision.selection_bit(aod::evsel::kIsTriggerTVX) || ((!collision.selection_bit(aod::evsel::kIsGoodITSLayersAll) || !collision.selection_bit(aod::evsel::kNoSameBunchPileup) || !collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV)) && useAllEvSel))
continue;

auto centrality = collision.centFT0C();
auto centrality = centEst == 0 ? collision.centFT0C() : collision.centFT0M();
if (centrality > kCentCutMax)
continue;

Expand Down Expand Up @@ -1124,7 +1125,7 @@
}
PROCESS_SWITCH(EbyeMaker, processMiniRun2, "process mini tables(Run 2)", false);

void processMcRun3(soa::Join<aod::Collisions, aod::McCollisionLabels, aod::EvSels, aod::CentFT0Cs> const& collisions, aod::McCollisions const& /*mcCollisions*/, TracksFullIUPID const& tracks, aod::V0s const& V0s, aod::McParticles const& mcParticles, aod::McTrackLabels const& mcLab, aod::BCsWithTimestamps const&)
void processMcRun3(soa::Join<aod::Collisions, aod::McCollisionLabels, aod::EvSels, aod::CentFT0Ms, aod::CentFT0Cs> const& collisions, aod::McCollisions const& /*mcCollisions*/, TracksFullIUPID const& tracks, aod::V0s const& V0s, aod::McParticles const& mcParticles, aod::McTrackLabels const& mcLab, aod::BCsWithTimestamps const&)
{
for (const auto& collision : collisions) {
auto bc = collision.bc_as<aod::BCsWithTimestamps>();
Expand All @@ -1133,7 +1134,7 @@
if (std::abs(collision.posZ()) > zVtxMax || !collision.selection_bit(aod::evsel::kNoTimeFrameBorder) || !collision.selection_bit(aod::evsel::kIsTriggerTVX) || ((!collision.selection_bit(aod::evsel::kIsGoodITSLayersAll) || !collision.selection_bit(aod::evsel::kNoSameBunchPileup) || !collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV)) && useAllEvSel))
continue;

auto centrality = collision.centFT0C();
auto centrality = centEst == 0 ? collision.centFT0C() : collision.centFT0M();

histos.fill(HIST("QA/zVtx"), collision.posZ());

Expand Down
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