Carbon-11
C
20.3 min
950 keV
Cesium-137
Cs
30.1 y
662 keV
Chromium-51
Cr
28 d
320 keV
Cobalt-57
Co
272 d
122,137 keV
Cobalt-60
Co
5.27 y
11,731,333
Flourine-18
F
109.7 min
635 keV
Gallium-68
Ga
68 min
190 keV
Gallium-67
Ga
3.26 d
93,185 keV
Indium-111
In
2.8 d
171,245 keV
Iodine-123
I
13 h
159 keV
Iodine-124
I
4.5 d
2,130 keV
Iodine-125
I
60 d
35 keV
Iodine-131
I
8 d
364 keV
Molybdenum-99
Mo
2.7 d
4,361,214 Beta
Nitrogen-13
N
10 min
1,190 keV
Oxygen-15
O
124 sec
1,720 keV
Phosphorus-32
P
14.28 d
1,710 keV
Radium-223
Ra
11.4 d
Alpha
Rubidium-82
Rb
75 sec
3,350 keV
Samarium-153
Sm
47 h
70,103 keV (800 Beta)