From 10a1fead1925423ca80e0fcad055e07b7079c31d Mon Sep 17 00:00:00 2001
From: Joey Staa <jma@staa.nl>
Date: Tue, 24 Feb 2026 12:13:55 +0100
Subject: [PATCH 1/2] Added a number of track selection configurable parameters

---
 .../Tasks/threeParticleCorrelations.cxx            | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx b/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
index c6af9ac57b1..88bfe0d527d 100644
--- a/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
+++ b/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
@@ -79,6 +79,9 @@ struct ThreeParticleCorrelations {
   float pionPtMid1 = 1.6, pionPtMid2 = 2.0, kaonPtMid1 = 1.5, kaonPtMid2 = 2.0, protonPtMid = 2.3;
   struct : ConfigurableGroup {
     std::string prefix = "TrackSelection";
+    Configurable<float> chi2PerClusterTPC{"chi2PerClusterTPC", 4.0, "Maximum TPC goodness-of-fit Chi2 per cluster"};
+    Configurable<float> chi2PerClusterITS{"chi2PerClusterITS", 36.0, "Maximum ITS goodness-of-fit Chi2 per cluster"};
+    Configurable<float> dcaZ{"dcaZ", 2.0, "Maximum longitudinal DCA (cm)"};
     Configurable<float> nSigmaTPCvar{"nSigmaTPCvar", 0.0, "Variation in the TPC nSigma"};
     Configurable<float> nSigmaTOFvar{"nSigmaTOFvar", 0.0, "Variation in the TOF nSigma"};
   } trackSelGroup;
@@ -117,7 +120,7 @@ struct ThreeParticleCorrelations {
   // Table aliases - Data
   using MyFilteredCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::CentFT0Cs, aod::EvSels>>;
   using MyFilteredCollision = MyFilteredCollisions::iterator;
-  using MyFilteredTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TrackSelection,
+  using MyFilteredTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection,
                                                    aod::pidTPCPi, aod::pidTPCKa, aod::pidTPCPr,
                                                    aod::pidTOFFullPi, aod::pidTOFFullKa, aod::pidTOFFullPr, aod::pidTOFbeta>>;
 
@@ -130,7 +133,7 @@ struct ThreeParticleCorrelations {
   using MCRecCollisions = soa::Join<aod::Collisions, aod::CentFT0Cs, aod::EvSels, aod::McCollisionLabels>;
   using MyFilteredMCRecCollisions = soa::Filtered<MCRecCollisions>;
   using MyMCV0s = soa::Join<aod::V0Datas, aod::McV0Labels>;
-  using MyFilteredMCTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TrackSelection, aod::McTrackLabels,
+  using MyFilteredMCTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection, aod::McTrackLabels,
                                                      aod::pidTPCPi, aod::pidTPCKa, aod::pidTPCPr,
                                                      aod::pidTOFFullPi, aod::pidTOFFullKa, aod::pidTOFFullPr, aod::pidTOFbeta>>;
 
@@ -1108,6 +1111,13 @@ struct ThreeParticleCorrelations {
   bool trackFilters(const TrackCand& track) // Track filter
   {
 
+    if (track.tpcChi2NCl() > trackSelGroup.chi2PerClusterTPC || track.itsChi2NCl() > trackSelGroup.chi2PerClusterITS) {
+      return false;
+    }
+    if (track.dcaZ() > trackSelGroup.dcaZ) {
+      return false;
+    }
+    
     if (!track.hasTOF()) {
       return false;
     }

From 1fe3fa3b21f54c6aa698997c8eaa9b91359ab6cc Mon Sep 17 00:00:00 2001
From: ALICE Action Bot <alibuild@cern.ch>
Date: Tue, 24 Feb 2026 11:16:08 +0000
Subject: [PATCH 2/2] Please consider the following formatting changes

---
 .../Tasks/threeParticleCorrelations.cxx                         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx b/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
index 88bfe0d527d..f74b90da6c3 100644
--- a/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
+++ b/PWGCF/MultiparticleCorrelations/Tasks/threeParticleCorrelations.cxx
@@ -1117,7 +1117,7 @@ struct ThreeParticleCorrelations {
     if (track.dcaZ() > trackSelGroup.dcaZ) {
       return false;
     }
-    
+
     if (!track.hasTOF()) {
       return false;
     }