Updates in event selection criteria for Pb-Pb analysis (#6270)

Author: sustripathy

PWGCF/TableProducer/filterCorrelations.cxx

@@ -59,7 +59,7 @@ struct FilterCF {
   O2_DEFINE_CONFIGURABLE(cfgCutMCPt, float, 0.5f, "Minimal pT for particles")
   O2_DEFINE_CONFIGURABLE(cfgCutMCEta, float, 0.8f, "Eta range for particles")
   O2_DEFINE_CONFIGURABLE(cfgVerbosity, int, 1, "Verbosity level (0 = major, 1 = per collision)")
-  O2_DEFINE_CONFIGURABLE(cfgTrigger, int, 7, "Trigger choice: (0 = none, 7 = sel7, 8 = sel8)")
+  O2_DEFINE_CONFIGURABLE(cfgTrigger, int, 7, "Trigger choice: (0 = none, 7 = sel7, 8 = sel8, 9 = sel8 + kNoSameBunchPileup + kIsGoodZvtxFT0vsPV, 10 = sel8 before April, 2024, 11 = sel8 for MC)")
   O2_DEFINE_CONFIGURABLE(cfgCollisionFlags, uint16_t, aod::collision::CollisionFlagsRun2::Run2VertexerTracks, "Request collision flags if non-zero (0 = off, 1 = Run2VertexerTracks)")
   O2_DEFINE_CONFIGURABLE(cfgTransientTables, bool, false, "Output transient tables for collision and track IDs")
   O2_DEFINE_CONFIGURABLE(cfgTrackSelection, int, 0, "Type of track selection (0 = Run 2/3 without systematics | 1 = Run 3 with systematics)")
@@ -98,6 +98,12 @@ struct FilterCF {
       return collision.alias_bit(kINT7) && collision.sel7();
     } else if (cfgTrigger == 8) {
       return collision.sel8();
+    } else if (cfgTrigger == 9) { // relevant only for Pb-Pb
+      return collision.sel8() && collision.selection_bit(aod::evsel::kNoSameBunchPileup) && collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV);
+    } else if (cfgTrigger == 10) { // TVX trigger only (sel8 selection before April, 2024)
+      return collision.selection_bit(aod::evsel::kIsTriggerTVX);
+    } else if (cfgTrigger == 11) { // sel8 selection for MC
+      return collision.selection_bit(aod::evsel::kIsTriggerTVX) && collision.selection_bit(aod::evsel::kNoTimeFrameBorder);
     }
     return false;
   }

PWGCF/Tasks/correlations.cxx

@@ -72,7 +72,7 @@ struct CorrelationTask {
   O2_DEFINE_CONFIGURABLE(cfgTwoTrackCutMinRadius, float, 0.8f, "Two track cut: radius in m from which two track cuts are applied");
   O2_DEFINE_CONFIGURABLE(cfgLocalEfficiency, int, 0, "0 = OFF and 1 = ON for local efficiency");
   O2_DEFINE_CONFIGURABLE(cfgCentBinsForMC, int, 0, "0 = OFF and 1 = ON for data like multiplicity/centrality bins for MC steps");
-
+  O2_DEFINE_CONFIGURABLE(cfgTrackBitMask, uint8_t, 0, "BitMask for track selection systematics; refer to the enum TrackSelectionCuts in filtering task");
   // Suggested values: Photon: 0.004; K0 and Lambda: 0.005
   Configurable<LabeledArray<float>> cfgPairCut{"cfgPairCut", {cfgPairCutDefaults[0], 5, {"Photon", "K0", "Lambda", "Phi", "Rho"}}, "Pair cuts on various particles"};
 
@@ -107,7 +107,7 @@ struct CorrelationTask {
 
   // Track filters
   Filter trackFilter = (nabs(aod::track::eta) < cfgCutEta) && (aod::track::pt > cfgCutPt) && ((requireGlobalTrackInFilter()) || (aod::track::isGlobalTrackSDD == (uint8_t) true));
-  Filter cfTrackFilter = (nabs(aod::cftrack::eta) < cfgCutEta) && (aod::cftrack::pt > cfgCutPt);
+  Filter cfTrackFilter = (nabs(aod::cftrack::eta) < cfgCutEta) && (aod::cftrack::pt > cfgCutPt) && ((aod::track::trackType & (uint8_t)cfgTrackBitMask) == (uint8_t)cfgTrackBitMask);
 
   // MC filters
   Filter cfMCCollisionFilter = nabs(aod::mccollision::posZ) < cfgCutVertex;