Common: add option to force 1 hit in first ITS layer. (AliceO2Group#5849

) Co-authored-by: Mattia Faggin <mfaggin@cern.ch>
feisenhu · Apr 26, 2024 · fc85a18 · fc85a18
1 parent abbf1d5
commit fc85a18
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Showing 3 changed files with 13 additions and 2 deletions.
diff --git a/Common/Core/TrackSelection.h b/Common/Core/TrackSelection.h
@@ -53,7 +53,8 @@ class TrackSelection
     Run3ITSibAny,
     Run3ITSallAny,
     Run3ITSall7Layers,
-    Run3ITSibTwo
+    Run3ITSibTwo,
+    Run3ITSibFirst
   };
 
   // Flags for the selection of the DCAxy

diff --git a/Common/Core/TrackSelectionDefaults.cxx b/Common/Core/TrackSelectionDefaults.cxx
@@ -58,6 +58,9 @@ TrackSelection getGlobalTrackSelectionRun3ITSMatch(int matching, int passFlag)
     case TrackSelection::GlobalTrackRun3ITSMatching::Run3ITSall7Layers:
       selectedTracks.SetRequireHitsInITSLayers(7, {0, 1, 2, 3, 4, 5, 6});
       break;
+    case TrackSelection::GlobalTrackRun3ITSMatching::Run3ITSibFirst:
+      selectedTracks.SetRequireHitsInITSLayers(1, {0});
+      break;
     default:
       LOG(fatal) << "getGlobalTrackSelectionRun3ITSMatch with undefined ITS matching";
       break;

diff --git a/Common/TableProducer/trackselection.cxx b/Common/TableProducer/trackselection.cxx
@@ -41,7 +41,7 @@ struct TrackSelectionTask {
   Configurable<int> produceTable{"produceTable", -1, "option to produce the standard table table with the track selection. -1 autosetup, 0 dislabled, 1 enabled"};
   Configurable<int> produceFBextendedTable{"produceFBextendedTable", -1, "option to produce table with FB selection information. -1 autosetup, 0 dislabled, 1 enabled"};
   Configurable<bool> compatibilityIU{"compatibilityIU", false, "compatibility option to allow the processing of tracks before the introduction of IU tracks"};
-  Configurable<int> itsMatching{"itsMatching", 0, "condition for ITS matching (0: Run2 SPD kAny, 1: Run3ITSibAny, 2: Run3ITSallAny, 3: Run3ITSall7Layers)"};
+  Configurable<int> itsMatching{"itsMatching", 0, "condition for ITS matching (0: Run2 SPD kAny, 1: Run3ITSibAny, 2: Run3ITSallAny, 3: Run3ITSall7Layers, 4: Run3ITSibFirst)"};
   Configurable<int> dcaSetup{"dcaSetup", 0, "dca setup: (0: default, 1: ppPass3)"};
   Configurable<float> ptMin{"ptMin", 0.1f, "Lower cut on pt for the track selected"};
   Configurable<float> ptMax{"ptMax", 1e10f, "Upper cut on pt for the track selected"};
@@ -95,6 +95,13 @@ struct TrackSelectionTask {
           globalTracks = getGlobalTrackSelectionRun3ITSMatch(TrackSelection::GlobalTrackRun3ITSMatching::Run3ITSall7Layers, dcaSetup.value);
           break;
         }
+      case 4:
+        // Run 3 kFirst, i.e. 1 hit in first layer of ITS
+        if (isRun3) {
+          LOG(info) << "setting up getGlobalTrackSelectionRun3ITSMatch(TrackSelection::GlobalTrackRun3ITSMatching::Run3ITSibFirst, " << dcaSetup.value << ");";
+          globalTracks = getGlobalTrackSelectionRun3ITSMatch(TrackSelection::GlobalTrackRun3ITSMatching::Run3ITSibFirst, dcaSetup.value);
+          break;
+        }
       default:
         LOG(fatal) << "TrackSelectionTask with undefined cuts. Fix it!";
         break;