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Forum: Hadronic Processes
Re: None Grazing angle proton scattering (valentina)
Date: 13 Feb, 2008
From: Vladimir IVANTCHENKO <vnivanch@mail.cern.ch>

On Wed, 13 Feb 2008, valentina wrote:

> *** Discussion title: Hadronic Processes
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/hadronprocess/893"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> Hi, I have a question about the simulation of grazing angle proton
> scattering.
> 
> In the article:
> 
> "Low Angle Scattering of Protons on the XMM-Newton Optics and Effects on
> the On-Board CCD detectors"
> 
> Nartallo et al. 2001
> 
> Nartallo uses the multiple scattering to simulate the interaction of
> protons with a mirror reflecting surface layer (in this case XMM-Newton
> optics).
> 
> As a conseguence of:
> 
> "Grazing Angle Proton Scattering: effects on Chandra and XMM-Newton
> X-ray telescopes"
> 
> Dichter and Woolf, 2003
> 
> , where the authors show that the multiple scattering under predicts the
> expected proton flux at the focal plane,
> 
> Nartallo in the article:
> 
> "Update on the use of Geant4 for the simulation of low energy protons
> scattering off X-ray mirrors at grazing incidence angles"
> 
> implements a new physics process, G4FirsovScattering, in the G4 Monte
> Carlo code, to treat the scattering of low energy protons at grazing
> incidence angles.
> 
> Now the question is: someone knows where is G4FirsovScattering? I can't
> find it in G4 library!
> 
> Thanks!
> 
> Valentina
> 

Please, post the question in emprocess forum.

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