Tm
Thulium-153m
Protons (Z)
69
Neutrons (N)
84
Mass number
153
Half-Life
2.5 s
Abundance
---
Mass
152.942 u
Mass Excess
-53,930.0 keV
Spin
(1/2+)
Discovered
1988
Binding energy per nucleon
8,071 keV
Neutron separation energy
10,281 keV
Proton separation energy
719 keV
Decay Mode
Decay chain
- TmThulium-153Z 69 · N 842.5 s
- α92%
- β⁺100%
- β⁺100%
- β⁺83.3%
- β⁺~100%
- EC100%