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Question Altering Example TestEm1 to use GPS to simulate positron source emission  

Keywords: F-18 GPS positron source through TestEm1
Forum: Particles
Date: 27 Jun, 2007
From: Matthew Middione <middionematt@csufresno.edu>

I am trying to alter the TestEm1 example to allow for the 
G4GeneralParticleSource to be used to allow me to simulate a positron
point source being emitted.  

The reason for this is because I want to model these positrons from
specific isotopes, specifically those important to PET.  For example,
I have a volume of tissue and I need a F-18 positron point source to 
be emitted and have its range be tracked and recorded.  I then will apply 
different strengths of magnetic fields to see the alterations in the range
of the positrons as they travel through the tissue medium.

I had originally just used the example TestEm1 to do this, but this was
modeling monoentergetic positrons and I am in need of modeling 
polyentergetic positrons, thus the F-18 source method would work.

Any assistance regarding altering the TestEm1 code to allow for the GPS 
to be used would be much appreciated.  Or maybe I am heading down the 
wrong track...any advice would be much appreciated.

Thanks in anticipation,
Matthew Middione 

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1 None: Re: Altering Example TestEm1 to use GPS to simulate positron source emission   (Vladimir IVANTCHENKO - 27 Jun, 2007)
1 None: Re: Altering Example TestEm1 to use GPS to simulate positron source emission   (Matthew Middione - 27 Jun, 2007)
(_ Note: Re: Altering Example TestEm1 to use GPS to simulate positron source emission   (Matthew Middione - 28 Jun, 2007)
(_ Question: Re: Altering Example TestEm1 to use GPS to simulate positron source emission   (Rahul Shah - 07 Apr, 2009)
(_ Feedback: Re: Altering Example TestEm1 to use GPS to simulate positron source emission   (Giovanni Santin - 07 Apr, 2009)
2 None: Re: Altering Example TestEm1 to use GPS to simulate positron source emission   (michel maire - 27 Jun, 2007)
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