Skip the indexes of tracks belonging to the underlying event in the signal ESD

diff --git a/PHOS/AliPHOSRecParticle.cxx b/PHOS/AliPHOSRecParticle.cxx
index 4eee307d314b7a5b46ee469787dedb99a6bf28b2..022ef40d22fe066079378646bcce84084ba39b64 100644 (file)
--- a/PHOS/AliPHOSRecParticle.cxx
+++ b/PHOS/AliPHOSRecParticle.cxx
@@ -188,8 +188,9 @@ const Int_t AliPHOSRecParticle::GetPrimaryIndex() const
   Int_t    trackHadron  = -1;
   for (Int_t iPrim=0; iPrim<nPrimary; iPrim++) {
     Int_t iPrimary = digit->GetPrimary(iPrim+1);
-    if (iPrimary == -1)
-      continue ; 
+    if (iPrimary == -1 || TMath::Abs(iPrimary)>10000000)
+      continue ;  //PH 10000000 is the shift of the track 
+                  //PH indexes in the underlying event
     track = gime->Primary(iPrimary);
     Int_t pdgCode   = track->GetPdgCode();
     Double_t energy = track->Energy();