Tm
Thulium-154m
Protons (Z)
69
Neutrons (N)
85
Mass number
154
Half-Life
3.3 s
Abundance
---
Mass
153.942 u
Mass Excess
-54,350.0 keV
Spin
(9+)
Discovered
1964
Binding energy per nucleon
8,074 keV
Neutron separation energy
8,448 keV
Proton separation energy
1,172 keV
Decay Mode
Decay chain
- TmThulium-154Z 69 · N 853.3 s
- α58%
- β⁺100%
- β⁺66.4%
- β⁺100%
- α100%
- α100%