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Question Classification of neutrinos? 

Keywords: neutrino identify kill G4ParticleDefinition G4StackingAction
Forum: Particles
Date: 18 Nov, 2005
From: Lewis Dartnell <l.dartnell@ucl.ac.uk>

Perhaps a na´ve question, but how do I uniquely identify all neutrinos so that I can kill them in G4UserStackingAction and hopefully speed up processing of extensive particle cascades? I can't do it using Particle Definitions, as below:

     G4ParticleDefinition* particleDef = aStep->GetTrack()->GetDefinition();
     particleDef->GetParticleType()
     particleDef->GetParticleSubType()

because both an electron and a nu_e (for example) are identified identically as lepton/e. I could set up a filter to select all chargeless leptons, but this doesn't seem particularly elegant. What's the best way of killing neutrinos in my model please...?

Lewis

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