[Gate-users] Internal dosimetry

Belén Moglia belenmogli at hotmail.com
Tue Mar 29 15:01:35 CEST 2016

Hello everyone,

I would like to perform the calculation of internal dosimetry with 131I. I took the example gate6.2_ex_preclinical_dosimetry as a guide and I had certain doubts.

1) To run the program I use:

/ Gate / application / noGlobalOutput
/ Gate / application / setTotalNumberOfPrimaries 20000
/ Gate / application / start

In this case, the program calculates for 1 second the interaction of these initial 20,000 particles?
I would calculate longer, considering the physical and biological decay, how I consider those?

2) When I define the source, I use a range translator, which define 1 where there is activity and 0 where not. Therefore, the initial particles (20000) are distributed in pixels having value 1, or  from each pixel with value 1 are released the total number of particles (20000)?

These are some of my first questions...
Many thanks
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