907 / 1778
4 - 5 mm
3 - 4 mm
0.1-0.2 mm
Ir-192 E = 355 keV
T
1/2
=
73.8 d
Source Geometry
Co-60 E =1253 keV
T
1/2
=
5.27 a
_
0
1
192
78
192
77
e Pt
Ir
++ + →
−
−
−
+ + →
e Ni
Co
0
1
60
28
60
27
|
|
907 / 1778
4 - 5 mm
3 - 4 mm
0.1-0.2 mm
Ir-192 E = 355 keV
T
1/2
=
73.8 d
Source Geometry
Co-60 E =1253 keV
T
1/2
=
5.27 a
_
0
1
192
78
192
77
e Pt
Ir
++ + →
−
−
−
+ + →
e Ni
Co
0
1
60
28
60
27