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Small static fields: size of fluence and dose voxels

Differences between doses computed

between two versions of same model

AAA v8.6.15

vs

AAA v10.0.25

Major difference between versions was the

resolution of the fluence matrix

2.5mm

vs

0.3125mm

Film EBT - Calc

4.5%

3.1%

4.3%

1.3%

6MV

SSD=100cm

@6cm depth in polystyrene

MLC fields

Ong et al (2011) Med Phys 38(8), 4471-4479

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