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Radioactive Decay
β
-
decay
The β
-
-particle and the antineutrino share the disintegration energy Q
β-
.
β
-
The emitted β
-
-particle can
have any kinetic energy
up to the maximum possible,
T
β-,max
, as can be derived from:
E
β-,max
= Q
β-
3
E
E
max ,
-
-
β
β
≈
and
MeV
1756 .1
aB
sC
e
0
0
0
1
137
56
137
55
+ν+β +
⇒
−
E
β-,max
= 0.514 MeV or 1.1756 MeV