|Message: Re: Spallation events identification||Not Logged In (login)|
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Stefania stucci writes: > I guess i can use this method, am i right? G4String processName > =aStep->GetPostStepPoint()->GetProcessDefinedStep()>GetProcessName(); Yes, but from what you said below, you don't even need to look at the process (or do string comparisons). > Also, i am actually not looking at neutrons, but for single event upset > in GaN we want to look for ions. That makes it somewhat simpler, in fact. The only way to get an ion as a secondary particle is through a nuclear interaction, so testing for the process is kind of redundant. In your SteppingAction, you can look to see if any of the tracks are ions, either with a string comparison, or with a dynamic cast: if (<secondary>->GetDefinition()->GetParticleType() == "nucleus") or if (dynamic_cast<G4Ions*>(<secondary>->GetDefinition())) This also takes care of the case where the nucleus absorbs the incident particle and just gets a kick. There may be cases where the target nucleus absorbs the projectile and emits a light-ion fragment (alpha particle, He3, etc.). In that case, you'd see two secondaries both pass the above tests (the fragment and the residual nucleus). -- Mike Kelsey
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