[Gate-users] Escaping positrons

[Marcin Balcerzyk]

Dear Gaters.

 

How do you usually deal with the escaping positrons from the source. In my
case of Gate 3.0.0 it causes segmentation violation and Gate crashes. I know
that if I put enough plastic around the source, the positrons do not escape,
however to simulate a syringe phantom, I need thin polyethylene around,
through which positrons penetrate. 

 

Is putting a whole scanner with Air as a material and assign it a phantom is
enough? Any other solution, which would not interfere too much?

 

Best regards

 

Marcin Balcerzyk

Universidad Compultense de Madrid

 

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