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reject event if stack doesn't contain expected particles
authorrbertens <rbertens@cern.ch>
Tue, 14 Oct 2014 12:52:29 +0000 (14:52 +0200)
committerrbertens <rbertens@cern.ch>
Tue, 14 Oct 2014 12:52:44 +0000 (14:52 +0200)
PWGJE/EMCALJetTasks/AliJetEmbeddingFromGenTask.cxx patch | blob | blame | history

diff --git a/PWGJE/EMCALJetTasks/AliJetEmbeddingFromGenTask.cxx b/PWGJE/EMCALJetTasks/AliJetEmbeddingFromGenTask.cxx
index 70e0624f216e598df991481b032f7ffa3c111f9d..7ce338bef655113344c78d0aa1e41a6a3aee8197 100644 (file)
--- a/PWGJE/EMCALJetTasks/AliJetEmbeddingFromGenTask.cxx
+++ b/PWGJE/EMCALJetTasks/AliJetEmbeddingFromGenTask.cxx
@@ -148,6 +148,8 @@ void AliJetEmbeddingFromGenTask::Run()
   stack->Reset();
   fGen->Generate();
   const Int_t nprim = stack->GetNprimary();
+  // reject if partons are missing from stack for some reason
+  if(nprim < 8) return;
   TParticle *part6 = stack->Particle(6);
   TParticle *part7 = stack->Particle(7);