From eed256ee6499027aab198f107522d3cc50294d1c Mon Sep 17 00:00:00 2001
From: Maurice Coquet <mcoquet@alicecerno2.cern.ch>
Date: Thu, 19 Mar 2026 11:30:17 +0100
Subject: [PATCH 1/2] [PWGDQ] Adding check if MC particle exists in
 mftMchMatcher

---
 PWGDQ/Tasks/mftMchMatcher.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/PWGDQ/Tasks/mftMchMatcher.cxx b/PWGDQ/Tasks/mftMchMatcher.cxx
index a3b3779a83a..68da9c5261c 100644
--- a/PWGDQ/Tasks/mftMchMatcher.cxx
+++ b/PWGDQ/Tasks/mftMchMatcher.cxx
@@ -543,6 +543,10 @@ struct mftMchMatcher {
 
     auto const& mchTrack = muonTrack.template matchMCHTrack_as<TMUONS>();
     auto const& mftTrack = muonTrack.template matchMFTTrack_as<TMFTS>();
+    
+    if (!muonTrack.has_mcParticle() || !mftTrack.has_mcParticle()) {
+      return result;
+    }
 
     bool isPaired = isPairedMuon(mchTrack.globalIndex(), matchablePairs);
     std::pair<int64_t, int64_t> matchPair{mchTrack.globalIndex(), mftTrack.globalIndex()};

From d567abc861628e58f53320e72a2c22a1887d8e2f Mon Sep 17 00:00:00 2001
From: Maurice Coquet <mcoquet@alicecerno2.cern.ch>
Date: Thu, 19 Mar 2026 11:31:19 +0100
Subject: [PATCH 2/2] clang format

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

diff --git a/PWGDQ/Tasks/mftMchMatcher.cxx b/PWGDQ/Tasks/mftMchMatcher.cxx
index 68da9c5261c..efabe3b2d51 100644
--- a/PWGDQ/Tasks/mftMchMatcher.cxx
+++ b/PWGDQ/Tasks/mftMchMatcher.cxx
@@ -543,7 +543,7 @@ struct mftMchMatcher {
 
     auto const& mchTrack = muonTrack.template matchMCHTrack_as<TMUONS>();
     auto const& mftTrack = muonTrack.template matchMFTTrack_as<TMFTS>();
-    
+
     if (!muonTrack.has_mcParticle() || !mftTrack.has_mcParticle()) {
       return result;
     }