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Forum: Hadronic Processes
Re: Question Proton inelastic reaction with PreCompound Model (Jeyasingam Jeyasugiththan)
Date: 09 Sep, 2013
From: michel maire <michel maire>

On Wed, 04 Sep 2013 14:27:05 GMT, Jeyasingam Jeyasugiththan wrote:
> Dear Geant4 users, I am studying p+O inelastic reactions. Incident
> proton energy is 15 MeV and The PreCompound Model was selected. The
> following reactions were observed.
> 
>  proton + O16 --> 2 gamma + proton+ O16[0.0]:     12  
>  proton + O16 --> gamma + proton + O16[0.0]:      26   
>  proton + O16 --> proton + alpha + C12[0.0]:      947   
> 
> According to the experiment XS data, Reactions with gamma emission are
> higher than C12 production. Is there any way to increase the gamma
> production reactions by reducing C12 reactions in the Geant4. Are there
> any examples? I have used different physics models but I couldn't see
> any improvement.
> 
> I greatly appreciate your helps.

 I ran Hadr03 with FTFP_BERT_HP physicsConstructor.
 Macro and output in attachment.

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2013/09/09/06.52-39449-O16.mac.txt
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2013/09/09/06.52-46903-O16.out.txt

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