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ITS: update Pb-Pb vertex settings #15341

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f3sch merged 2 commits into from
Apr 30, 2026
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ITS: update Pb-Pb vertex settings #15341

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ITS: update Pb-Pb vertex settings
f3sch Apr 28, 2026
d5aadc0
Refine geometrical cut values in TrackingConfigParam.h
f3sch Apr 30, 2026
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18 changes: 9 additions & 9 deletions Detectors/ITSMFT/ITS/tracking/include/ITStracking/TrackingConfigParam.h
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Expand Up @@ -29,16 +29,16 @@ struct VertexerParamConfig : public o2::conf::ConfigurableParamHelper<VertexerPa
// geometrical cuts for tracklet selection for Pb-Pb
float zCut = 0.002f;
float phiCut = 0.005f;
float pairCut = 0.0211211f;
float clusterCut = 0.4275412f;
float coarseZWindow = 0.6521316f;
float seedDedupZCut = 0.1461061f;
float refitDedupZCut = 0.1873750f;
float duplicateZCut = 0.7985643f;
float finalSelectionZCut = 0.2932624f;
float duplicateDistance2Cut = 0.0223001f;
float pairCut = 0.0173212;
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float clusterCut = 0.1700477;
float coarseZWindow = 0.0554574;
float seedDedupZCut = 0.11668;
float refitDedupZCut = 0.03985;
float duplicateZCut = 0.2000972;
float finalSelectionZCut = 0.034535;
float duplicateDistance2Cut = 0.005117;
float tanLambdaCut = 0.002f; // tanLambda = deltaZ/deltaR
float nSigmaCut = 0.0479011f;
float nSigmaCut = 0.0164651;
float maxZPositionAllowed = 25.f; // 4x sZ of the beam

// Artefacts selections
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