Tb
Terbium-137
Protons (Z)
65
Neutrons (N)
72
Mass number
137
Half-Life
600.0 ms
Abundance
---
Mass
136.956 u
Mass Excess
-40,970.0 keV
Spin
(3/2+)
Discovered
---
Binding energy per nucleon
7,999 keV
Neutron separation energy
13,141 keV
Proton separation energy
-831 keV
Decay Mode
Decay chain
- TbTerbium-137Z 65 · N 72600.0 ms
- p
- β⁺
- β⁺99.91%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%