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Question Grazing angle proton scattering 

Forum: Space Applications
Date: 13 Feb, 2008
From: valentina <valentina>

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

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