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•
be simple enough to understand the behaviour of the model
•
have only a small number of free parameters
•
the model parameters should be determined by measurements
that are not too complicated and time consuming i.e. output
factors, profiles or depth dose curves in water and air
•
be complex enough to confirm all measurements in agreement
A feasible energy fluence engine should
5
with the accuracy demands
•
fast in sampling the particle properties (if used for Monte Carlo
dose engines)
(Fippel
et al.
MedPhys(30)2003: 301-311):