Dose Course 2018_Flipping book

Variation of s

for ion chamber measurements

water,air

10 7 photons

1.140

1.130

1.120

1.110

1.100

Mass stopping power ratio

60-Co 4 MV 6 MV 10 MV 15 MV 18 MV

1.090

Reference depth

1.080

0.0

5.0

10.0

15.0

20.0

25.0

Depth (cm)

T Knöös

Calculations performed with SPRrznrc