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Industrial · Neutron Source
Sb
51
124
Antimony-124
A reactor-produced beta/gamma emitter used in antimony–beryllium (Sb–Be) photoneutron sources, industrial radiography, and pipeline tracing.
t½ 60.2 daysBeta Minus (β⁻) & Gamma
51 e⁻5 shells
Atomic Structure
51
Protons
73
Neutrons
K2 e⁻
L8 e⁻
M18 e⁻
N18 e⁻
O5 e⁻
Applications
- Sb–Be neutron sources
- Industrial radiography
- Pipeline & flow tracing
- Subsurface well logging
Production
Reaction
¹²³Sb(n,γ)¹²⁴Sb
Target
Antimony-123
Source
Nuclear Reactor
16 MeV CyclotronNo
30 MeV CyclotronNo
70 MeV CyclotronNo
Nuclear ReactorYes
Its 1.69 MeV gamma drives photoneutron production in beryllium.