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Forum: Hadronic Processes
Re: Question 152Eu (Lise-Lotte Andersson)
Re: Question Re: 152Eu (Laurent Desorgher)
Re: More Re: 152Eu (Lise-Lotte Andersson)
Re: None Re: 152Eu (Laurent Desorgher)
Re: Feedback Re: 152Eu (L.G. Sarmiento)
Date: 20 Feb, 2011
From: Laurent Desorgher <Laurent Desorgher>

On Sat, 19 Feb 2011 03:09:06 GMT, L.G. Sarmiento wrote:

Hello,

> Hello Laurent and Michel,
> 
> I developed the code Lise uses in her simulation and I will brief you
> some info about the simulation but please let me know what kind of
> details you find useful in order to help her solve this inconvenience.
> 
> The geometry is just a set of Ge detectors in close packing with some Si
> detectors, no overlaps (I checked them) and the Physics list used in the
> simulation is the same as the one used in the radioactivedecay example
> (rdecay02) For the primary generation action we are using the GPS.
> 
> Maybe the difference in the PhysicsList included in the rdecay02 and
> rdecay01 might is the key to the overestimation? That would explain the
> 778keV peak, but how about the others? Maybe is a binning problem? It
> certainly doesn't look like a FWHM problem.
> How about the underestimation of the 1465keV peak?
> 
> Just to double check. We are using geant4.9.3 along with the latest
> CLHEP and Data Files. Is it the same as you use? Maybe it was too fast
> to migrate to that version.

You should first migrate to Geant4.9.4! Please do that and let us know if you have still the same overestimated peaks.
 We are always making the test with the latest Geant4 release.

Best regards

Laurent

> 
> Thanks for your time, hints and pointers.
> 
> /Pico
> 

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