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Question Re: Clarifications about scatterings  

Forum: Hadronic Processes
Re: Question Clarifications about scatterings (Eleni Petrakou)
Re: None Re: Clarifications about scatterings (Michael H. Kelsey)
Re: Idea Re: Clarifications about scatterings (Vladimir Ivanchenko)
Date: 02 Jun, 2016
From: Eleni Petrakou <Eleni Petrakou>

Thanks for the replies, 

There are a couple more questions then: 

- When a primary excites a nucleus and continues on its own way, 
what should we get by Geant? 

- The attached plot #1 is the energy of secondaries coming from 
inelastic processes. If you look at the high end of the protons' 
spectrum, you'll see a small peak. This peak is very compatible 
with *primary* protons, and it's also hard to imagine a process 
that would create such secondaries. 
Could it be that these are the surviving primaries, simply 
reclassified as secondaries? In such a case, how could one 
identify them for what they are? 

- In the same plot, both protons and neutrons have a rise towards 
higher energies. This seems compatible with the products of 
quasi-elastic scattering. Now, please take a look at plot #2, 
which shows the protons' energy vs. their azimuthal angle. 
:) 
Is there some explanation for the observed feature? Could it be 
that some cut-off is implemented in quasi-elastics? 


Any clarifications will be much appreciated (and needed) 
as fishing the primaries of each scattering process is central 
to our work... 

Cheers 
E. 


On Thu, 02 Jun 2016 17:34:35 GMT, Vladimir Ivanchenko wrote:
> Hello,
> 
> currently quasi-elastic is simulated within inelastic process. So, the
> primary is killed. Elastic process does not kill primary, after
> scattering it keeps going.
> 
> VI
> 






   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2016/06/02/18.34-80471-1__Inel_sec_E.png
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2016/06/02/18.35-17096-2__Inel_Pr_E_vs_Theta.png

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