ESTRO course Dose Modelling and Verification 2017

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Minimum field radius required for lateral electron equilibrium (r

LEE

)

Li et al MedPhys

22

, 1995, 1167-1170





688

.2

973 .5

20

10

2



 

TPR

cmg r

LEE

1. Lateral electron disequilibrium (lack of lateral CPE)