From d0533d03d0c85f2f993f1793a6b9ea2af3391207 Mon Sep 17 00:00:00 2001
From: shivesh <s.p.mandalia@qmul.ac.uk>
Date: Tue, 20 Nov 2018 17:26:02 +0000
Subject: Tue 20 Nov 17:26:02 GMT 2018

---
 src/G4BeamTestUserTrackingAction.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/G4BeamTestUserTrackingAction.cxx')

diff --git a/src/G4BeamTestUserTrackingAction.cxx b/src/G4BeamTestUserTrackingAction.cxx
index c6317df..f7c053b 100644
--- a/src/G4BeamTestUserTrackingAction.cxx
+++ b/src/G4BeamTestUserTrackingAction.cxx
@@ -24,11 +24,15 @@ void G4BeamTestUserTrackingAction::PostUserTrackingAction(const G4Track* track)
       for(size_t i=0;i<nSeco;i++)
       {
         //check if secondary particle is a gamma
-        if((*secondaries)[i]->GetDefinition()->GetParticleName() == "gamma")
+        G4String particle = (*secondaries)[i]->GetDefinition()->GetParticleName();
+        if(particle == "gamma" || particle == "opticalphoton")
         {
           //check if particle energy is below threshold; if true, kill the particle
           G4double energy = (*secondaries)[i]->GetTotalEnergy();
-          if(energy < threshold) (*secondaries)[i]->SetTrackStatus(fStopAndKill);
+          if(energy < threshold){
+              G4cout << "TrackingAction: killing particle " << particle << " with energy " << energy << " < " << threshold << G4endl;
+              (*secondaries)[i]->SetTrackStatus(fStopAndKill);
+          }
         }
       }
     }
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