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None Simulating a space-charge dependent ion beam 

Keywords: Space-charge dependent ion beam
Forum: Particles
Date: 08 Feb, 2008
From: Zach Hartwig <Zach Hartwig>


I was wondering if anyone had any experience with or advice on how to 
simulate a space-charge dependent ion beam.  Specifically, the monte-carlo 
method of GEANT4 makes it very difficult to model the electromagnetic 
dependence of particles grouped in a bunch.  

I am specifically interested in determing the spreading of the beam at a 
given point in my geometry.  The space-charge dependence is a function of 
the pulsed current, so for instance a 10mA beam at 1MeV has a beam-spot 
size at 1m away of 2-3cm. 

Any help is appreciated.  Thanks!


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