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Forum: Hadronic Processes
Re: Question Energy distribution of product nuclei - nuclei have zero energy (Aleksandr Nesterenok)
Re: None Re: Energy distribution of product nuclei - nuclei have zero energy (michel maire)
Re: Idea Re: Energy distribution of product nuclei - nuclei have zero energy (Vladimir Ivanchenko)
Re: Agree Re: Energy distribution of product nuclei - nuclei have zero energy (Aleksandr Nesterenok)
Date: 03 Mar, 2014
From: michel maire <michel maire>

On Sun, 02 Mar 2014 20:10:41 GMT, Aleksandr Nesterenok wrote:
> Thank you! I will try to use tracking and stacking methods.
> 
> The neutron energy is in the range from 10 MeV to 3 GeV. When I use only
> HadronElasticPhysicsHP and HadronPhysicsFTFP_BERT_HP, the all are seemed
> to be ok. All nuclei lie in a broad energy region from about keV to 100
> MeV with the peak around several MeV. But when I add to these physics,
> for example, G4EmStandardPhysics, a large part of product nuclei have a
> zero energy.
> 

 It confirms what Vladimir said : you see charged particles or ions after they have lost their energy by ionization.
 If you run 1 event with /tracking/verbose 2, you will quickly understand what happen.
 To study hadronic interactions alone, you may play with example Hadr03, with macros like the one in attachement.

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2014/03/03/06.15-32514-aleksandr.mac.txt

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1 Agree: Re: Energy distribution of product nuclei - nuclei have zero energy   (Aleksandr Nesterenok - 03 Mar, 2014)
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