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[PWGCF] add centrality estimators #14459

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Merged
victor-gonzalez merged 1 commit into from
Jan 12, 2026
+15 −3
Merged

[PWGCF] add centrality estimators #14459

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18 changes: 15 additions & 3 deletions PWGCF/Flow/Tasks/flowTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ struct FlowTask {

// Basic event&track selections
O2_DEFINE_CONFIGURABLE(cfgCutVertex, float, 10.0f, "Accepted z-vertex range")
O2_DEFINE_CONFIGURABLE(cfgCentEstimator, int, 0, "0:FT0C; 1:FT0CVariant1; 2:FT0M; 3:FT0A")
O2_DEFINE_CONFIGURABLE(cfgCentEstimator, int, 0, "0:FT0C; 1:FT0CVariant1; 2:FT0M; 3:FV0A; 4:NTPV; 5:NGlobal; 6:MFT")
O2_DEFINE_CONFIGURABLE(cfgCentFT0CMin, float, 0.0f, "Minimum centrality (FT0C) to cut events in filter")
O2_DEFINE_CONFIGURABLE(cfgCentFT0CMax, float, 100.0f, "Maximum centrality (FT0C) to cut events in filter")
O2_DEFINE_CONFIGURABLE(cfgCutPtPOIMin, float, 0.2f, "Minimal pT for poi tracks")
Expand Down Expand Up @@ -185,7 +185,7 @@ struct FlowTask {

Filter collisionFilter = (nabs(aod::collision::posZ) < cfgCutVertex) && (aod::cent::centFT0C > cfgCentFT0CMin) && (aod::cent::centFT0C < cfgCentFT0CMax);
Filter trackFilter = ((requireGlobalTrackInFilter()) || (aod::track::isGlobalTrackSDD == (uint8_t) true)) && (nabs(aod::track::eta) < cfgCutEta) && (aod::track::pt > cfgCutPtMin) && (aod::track::pt < cfgCutPtMax) && (aod::track::tpcChi2NCl < cfgCutChi2prTPCcls) && (nabs(aod::track::dcaZ) < cfgCutDCAz);
using FilteredCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::CentFT0CVariant1s, aod::CentFT0Ms, aod::CentFV0As, aod::Mults>>;
using FilteredCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::CentFT0CVariant1s, aod::CentFT0Ms, aod::CentFV0As, aod::CentNTPVs, aod::CentNGlobals, aod::CentMFTs, aod::Mults>>;
using FilteredTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TrackSelection, aod::TracksExtra, aod::TracksDCA>>;
// Filter for MCcollisions
Filter mccollisionFilter = nabs(aod::mccollision::posZ) < cfgCutVertex;
Expand All @@ -194,7 +194,7 @@ struct FlowTask {
Filter particleFilter = (nabs(aod::mcparticle::eta) < cfgCutEta) && (aod::mcparticle::pt > cfgCutPtMin) && (aod::mcparticle::pt < cfgCutPtMax);
using FilteredMcParticles = soa::Filtered<aod::McParticles>;

using FilteredSmallGroupMcCollisions = soa::SmallGroups<soa::Join<aod::McCollisionLabels, aod::Collisions, aod::EvSel, aod::CentFT0Cs, aod::CentFT0CVariant1s, aod::CentFT0Ms, aod::CentFV0As, aod::Mults>>;
using FilteredSmallGroupMcCollisions = soa::SmallGroups<soa::Join<aod::McCollisionLabels, aod::Collisions, aod::EvSel, aod::CentFT0Cs, aod::CentFT0CVariant1s, aod::CentFT0Ms, aod::CentFV0As, aod::CentNTPVs, aod::CentNGlobals, aod::CentMFTs, aod::Mults>>;

// Corrections
TH1D* mEfficiency = nullptr;
Expand Down Expand Up @@ -230,6 +230,9 @@ struct FlowTask {
kCentFT0CVariant1,
kCentFT0M,
kCentFV0A,
kCentNTPV,
kCentNGlobal,
kCentMFT,
// Count the total number of enum
kCount_CentEstimators
};
Expand Down Expand Up @@ -992,6 +995,15 @@ struct FlowTask {
case kCentFV0A:
cent = collision.centFV0A();
break;
case kCentNTPV:
cent = collision.centNTPV();
break;
case kCentNGlobal:
cent = collision.centNGlobal();
break;
case kCentMFT:
cent = collision.centMFT();
break;
default:
cent = collision.centFT0C();
}
Expand Down
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