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ESTRO IMRT course 2015
Dose Calculation in Static and Rotational IMRT
Brussels October 8th, 2015
-17-
Usual model of the radiation source
Gaussian photon sources:
primary source
(
→
target)
secondary source
(
→
head scatter,
predominantly from flattening filter)
contamination electron source
•
Description of energy fluence
distribution
•
Description of the spectra of all
sources, including its angular
distribution
courtesy M. Sikora