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0.0001
0.001
0.01
0.1
Kernel anatomy - 5 MeV
Total
First scatter kerma
0.001
0.01
0.1
Total
Kernel anatomy - 15 MV
Fractional energy imparted per unit volume
[cm
-3
]
Fractional energy imparted per unit volume
[cm
-3
]
Dose properties for point kernels cont.:
16
5
10
15
20
25
Radius [cm]
5
10
15
20
25
0.0001
Radius [cm]
( )
2
e
e
,
a r
b r
A B
h r
r
θ
θ
θ
θ
θ
−
−
+
=
Suitable parameterization of polyenergetic point kernels
Ahnesjö
, A. Med. Phys.
16
577–92