Course book Advanced Treatment Planning 2018
Energy lost = Dose deposition
H. Bethe: Annalen der Physik. 397, Nr. 3, 1930
• Heavy charged particle follow the Bethe-Bloch formula:
2 2
I W cm 2 2 2 max
2
ds dE
K
Z
1
2 1
2
e
= − z
+ − SDBB
ln
(
)
2
A
1
−
• First approximation: 1/ v 2 → Bragg peak
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