[Gate-users] Energy distribution of "ion source" in Gate

[Marc Chamberland]

Hi Sam,

I think Geant4 pulls up its radioactive decay data from its data files. For example, look at the RadioactiveDecay3.4 folder in your Geant4 installation. Inside that folder, you'll find the file for I-123 (z53.a123).

Does that answer your question?
Marc



__________________________

Marc Chamberland, MSc
PhD candidate
Department of Physics
Carleton University
Ottawa (ON)

On 2013-02-07, at 4:39 PM, "Lee, Sam (SAM LEE)" <slee91 at utk.edu<mailto:slee91 at utk.edu>>
 wrote:

Hey,

In Gate, a source can be specified by using "ion source", which takes Atomic number, Atomic weight Ionic Charge, and excitation energy as arguments. I  was wondering how accurately this ion-source models the energy distribution of the isotope. Does it model most of the energy peaks? Can anyone point to me the right documentation in Geant4?

The reason I am asking this question is that I am trying to model all the energies which gets emitted from I-123 source. I was manually specifying energy distribution using histogram keyword to model I123 source energy distribution. I was wondering whether using ion-source to rely on Gate to specify energy distribution automatically is more accurate.

Thanks,
Sanghyeb(Sam) Lee

Department of Electrical Engineering and Computer Science
University of Tennessee, Knoxville

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