288 / 1224
The problem …
Energy
[keV]
CSDA-range
electrons [g/cm
2
]
[cm]
30
1.8E-03
2.5
0.56
100
1.2E-02
5.6
0.85
350
1.1E-01
8.9
0.71
1000
4.4E-01
14
0.58
1
en
1
/
−
How important is D
scat
in brachy …?
It depends on ENERGY!
Figure from: Baltas, Sakelliou, Zamboglou (Eds), The Physics of modern brachytherapy
for oncology, Taylor & Francis Books Inc, 2006