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Question Is this correct physics in Brachytherapy example? 

Forum: Medical Applications
Date: 31 Oct, 2006
From: David Callender <quantumstringfield@yahoo.com>

Hi,

I ran the Brachytherapy example via Geant4.8.1 that models the Leipzig applicator. At /runbeamOn 5000 there are quite a large number of gamma 'particles' (356keV) from a Ir192 source that penetrate through the applicator housing which is made of tungsten. My question is, should this be occuring? Does this example accurately model what occurs for the actual applicator? I would have thought that the housing would permit particles to exit through the applicator window only, while at the same time, shielding any unwanted leakage. Am I mistaken in this case?

Thanks for any input.

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1 Note: Re: Is this correct physics in Brachytherapy example?   (Susanna Guatelli - 20 Feb, 2007)
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