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T Knöös
1.080
1.090
1.100
1.110
1.120
1.130
1.140
0.0
5.0
10.0
15.0
20.0
25.0
Depth (cm)
Mass stopping power ratio
60-Co
4 MV
6 MV
10 MV
15 MV
18 MV
Variation of
s
water,air
for ion chamber measurements
10
7
photons
Reference depth
Calculations performed with SPRrznrc