[Gate-users] Radiotherapy dosimetry

Nicollas Goncalves Cavedini nicollas.cavedini at acad.pucrs.br
Mon Dec 9 21:06:17 CET 2019

Hi dear gate users!
I am trying to simulate a test tube irradiation with a radiation source,
but I am having some difficulties. Could anyone tell me how I define the
size of the irradiation field? I will experimentally irradiate test tubes
containing 6 MV energy photon polymer gel and then compare them with the
simulation values.
Can I set the source with all 6MV photons in the simulation, or should I
use a histogram? The equipment used will be a Trilogy Varian.
Attached is an image illustrating the experiment I will reproduce in the
simulation and the code I am using.
Every help is welcome.

*Best Regards,*

*Nícollas Gonçalves Cavedini*
Bachelor of Medical Physics (PUCRS)
Master's Student in Electrical Engineering - PPGEE (PUCRS)
CV: http://lattes.cnpq.br/7248406497106855
Contact: +55 (51) 99922-9957
Porto Alegre, Brazil.
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