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Forum: Physics List
Re: Question Need to define some custom physics in Geant4 - how? (Jack)
Re: None Re: Need to define some custom physics in Geant4 - how? (Jack)
Re: None Re: Need to define some custom physics in Geant4 - how? (Christopher Walker)
Date: 14 Aug, 2014
From: Jack <Jack>

Hi Chris,

This was done some time ago, but the whole application and strategy is discussed in this paper (in particular section 2): http://arxiv.org/abs/1302.2963

You can see how it was actually done in a simple program because some applications where I implemented the custom "billiard ball" physics are available here: http://sourceforge.net/projects/geant4vacmod/files/

The one called "cavity" is the simplest, so I suggest checking that one out. As you can see, the interactions are specified in an implimentation of G4VDiscreteProcess.

The experts I talked to were local at SLAC - I don't think they monitor these forums.

On Thu, 14 Aug 2014 09:25:18 GMT, Christopher Walker wrote:

> Hi Jack,
>    I am in a similar situation - requiring custom physics which is not in any physics list. You talked about being on the right track due to the intervention of an expert. Can you enlighten further, or put me in touch with this expert. I am looking at the examples as suggested by I. Ivanchenko, but I presume it was not I. Ivanchenko who directly advised you as he responded to your posting much later.
> 
> Many thanks Chris Walker
> 

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