From 11a108e87d6a87572711fcbe208b3074071f2f34 Mon Sep 17 00:00:00 2001
From: Alberto Caliva <alberto.caliva@cern.ch>
Date: Sat, 25 Oct 2025 22:52:12 +0200
Subject: [PATCH] [PWGLF] Move Preslice definitions inside analysis struct

---
 PWGLF/Tasks/Nuspex/antinucleiInJets.cxx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
index 2c7885f1292..4e3d108d84a 100644
--- a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
+++ b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
@@ -85,10 +85,6 @@ using GenCollisionsMc = aod::McCollisions;
 using AntiNucleiTracks = soa::Join<aod::Tracks, aod::TracksExtra, aod::TrackSelection, aod::TrackSelectionExtension, aod::TracksDCA, aod::pidTPCFullPr, aod::pidTPCFullDe, aod::pidTPCFullHe, aod::pidTOFFullPr, aod::pidTOFFullDe, aod::pidTOFFullHe>;
 using AntiNucleiTracksMc = soa::Join<AntiNucleiTracks, aod::McTrackLabels>;
 
-// Define preslices to group MC tracks and MC particles by their associated MC collision
-Preslice<AntiNucleiTracksMc> mcTracksPerMcCollision = o2::aod::track::collisionId;
-Preslice<aod::McParticles> mcParticlesPerMcCollision = o2::aod::mcparticle::mcCollisionId;
-
 struct AntinucleiInJets {
 
   // Histogram registries for data, MC, quality control, multiplicity and correlations
@@ -1436,6 +1432,10 @@ struct AntinucleiInJets {
   }
   PROCESS_SWITCH(AntinucleiInJets, processQC, "Process QC", false);
 
+  // Define preslices to group MC tracks and MC particles by their associated MC collision
+  Preslice<AntiNucleiTracksMc> mcTracksPerMcCollision = o2::aod::track::collisionId;
+  Preslice<aod::McParticles> mcParticlesPerMcCollision = o2::aod::mcparticle::mcCollisionId;
+
   // Antinuclei reconstruction efficiency
   void processAntinucleiEfficiency(GenCollisionsMc const& genCollisions, RecCollisionsMc const& recCollisions, AntiNucleiTracksMc const& mcTracks, aod::McParticles const& mcParticles)
   {