The problem …
Energy
[keV]
CSDA-range
electrons [g/cm
2
]
[cm]
1
en
1 /
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
How important is D
scat
in brachy …?
It d d ENERGY!
. -
.
epen s on
Figure from: Baltas, Sakelliou, Zamboglou (Eds), The Physics of modern brachytherapy for
oncology, Taylor & Francis Books Inc, 2006




