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Keywords: large number of initial particles
Forum: Run Management
Re: None Large number of initial particles
Date: 26 Mar, 2007
From: <mathieu.trocme@ires.in2p3.fr>

Note: 

I first tried a large number of events in GeneratePrimaries(): 
for (G4long i=1; i<1000000; i++) { particleGun->GeneratePrimaryVertex(anEvent) ; }
But it seems I'm stuck in an infinite loop for more than 1e5 geantinos. 
It takes ~10 min for 1e5 geantinos and I stop the program after 6 hours for 1e6 geantinos. 

That's why I tried "new G4ParticleGun(1000000)" even though the G4ParticleGun() constructor requires a G4int argument (See G4Types.hh). 
It works with n_particle=1e5 (and apparently work somehow for 1e6 photons http://geant4-hn.slac.stanford.edu:5090/HyperNews/public/get/runmanage/138.html)

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1 None: Re: Large number of initial particles   (Mathieu Trocmé - 04 Apr, 2007)
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