From 6323930bec1002119c3182a3e86073ee41d26f19 Mon Sep 17 00:00:00 2001
From: GiorgioAlbertoLucia <giogioalberto@gmail.com>
Date: Fri, 12 Jun 2026 11:34:12 +0200
Subject: [PATCH] added configurable to skip non reconstructed collisions
 (default)

---
 PWGLF/TableProducer/QC/nucleiQC.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/PWGLF/TableProducer/QC/nucleiQC.cxx b/PWGLF/TableProducer/QC/nucleiQC.cxx
index bef7cb9f4f5..d158b95d2c3 100644
--- a/PWGLF/TableProducer/QC/nucleiQC.cxx
+++ b/PWGLF/TableProducer/QC/nucleiQC.cxx
@@ -99,6 +99,7 @@ struct nucleiQC {
 
   Configurable<bool> cfgFillTable{"cfgFillTable", true, "Fill output tree"};
   Configurable<bool> cfgDoCheckPdgCode{"cfgDoCheckPdgCode", true, "Should you only select tracks associated to a mc particle with the correct PDG code?"};
+  Configurable<bool> cfgSkipNonReconstructedCollisions{"cfgSkipNonReconstructedCollisions", true, "Should you skip collisions for which no particle is reconstructed?"};
   Configurable<bool> cfgFillOnlyPhysicalPrimaries{"cfgFillOnlyPhysicalPrimaries", true, "Should you only select physical primary particles?"};
   Configurable<LabeledArray<int>> cfgSpeciesToProcess{"cfgSpeciesToProcess", {nuclei::speciesToProcessDefault[0], nuclei::Species::kNspecies, 1, nuclei::names, {"processNucleus"}}, "Nuclei to process"};
   Configurable<LabeledArray<int>> cfgEventSelections{"cfgEventSelections", {nuclei::EvSelDefault[0], 8, 1, nuclei::eventSelectionLabels, nuclei::eventSelectionTitle}, "Event selections"};
@@ -625,6 +626,9 @@ struct nucleiQC {
       if (!mFillSpecies[iSpecies])
         continue;
 
+      if (cfgSkipNonReconstructedCollisions && reconstructedCollisions.count(particle.mcCollisionId()) == 0)
+        continue;
+
       if (reconstructedMcParticles.count(mcIndex) > 0)
         continue;