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Question Microdosimetry Physics List 

Forum: Physics List
Date: 26 Aug, 2012
From: Michael Douglass <Michael Douglass>

Hello,

I have a geometry consisting of a small cubic region of gold inside a water box. I would like to run my simulation using the DNA physics list. However, since the DNA physics list only supports a water media, the elctrons created in the gold region get transported to the edge of the gold without interaction. I would therefore like to use the livermore physics list for the gold and the DNA for the surrounding water. I have created a Region which includes the gold as the root logical volume. I am trying to apply the physics list from the "Microdosimetry" example in which processes are applied by region. The problem is the code is structured such that the livermore physics list is applied to the default world region and the DNA processes are applied to the target region (see attached code). I would like to modify the code so that the livermore physics list applies to the gold region and the DNA to the default world region (reversed).

Could someone give me an example (using the attached code structure) of two code segments (one for the default region and one for the gold region) to show me how to switch the electron processes around so that the livermore processes are in the target region and the DNA is in the deafult water medium.

Many thanks

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2012/08/26/20.21-46956-01_Desktop_PhysicsList.cc

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1 More: Re: Microdosimetry Physics List   (Michael Douglass - 30 Aug, 2012)
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