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Sjögren & Karlsson, Med. Phys.
23
1996 p 1873-1881
Contaminated beam
”Clean” beam
Contaminated - ”Clean”
Maximum penetration depth appr. MV/3 [cm
2
/g], i.e. deeper than d
max
....
Field size most important factor for magnitude, no impact on penetration depth.
25x25 cm
2
10x10 cm
2
7x7 cm
2
5x5 cm
2
Electron contamination