revert tracksMaxSignificance change

acts-project · Feb 23, 2024 · a49c1dc · a49c1dc
1 parent 4727c87
commit a49c1dc
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Examples/Algorithms/Vertexing/src/AdaptiveMultiVertexFinderAlgorithm.cpp b/Examples/Algorithms/Vertexing/src/AdaptiveMultiVertexFinderAlgorithm.cpp
@@ -134,6 +134,10 @@ auto ActsExamples::AdaptiveMultiVertexFinderAlgorithm::makeVertexFinder() const
   finderConfig.maxIterations = 200;
   finderConfig.useTime = m_cfg.useTime;
   if (m_cfg.useTime) {
+    // When using time, we have an extra contribution to the chi2 by the time
+    // coordinate. We thus need to increase tracksMaxSignificance (i.e., the
+    // maximum chi2 that a track can have to be associated with a vertex).
+    finderConfig.tracksMaxSignificance = 7.5;
     // Check if vertices are merged in space and time
     // TODO rename do3dSplitting -> doFullSplitting
     finderConfig.do3dSplitting = true;