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Electrons Energy - Range
•
Maximum range:
R
max
•
Practical range:
R
p
•
R90 and R50
60
70
80
90
100
R
100
Surface
dose
Therapeutic
range
E≈2R
p
E≈2,8R
80
E≈3,2R
90
R
p
z
max
50
0
10
20
30
40
0 1
2 3 4 5 6 7 8 9 10 11 12
Depth (cm)
%DD
R
50
x-ray
component