Tm
Thulium-149m
Protons (Z)
69
Neutrons (N)
80
Mass number
149
Half-Life
500.0 ms
Abundance
---
Mass
148.953 u
Mass Excess
-43,840.0 keV
Spin
(1/2+)
Discovered
---
Binding energy per nucleon
8,003 keV
Neutron separation energy
13,146 keV
Proton separation energy
-350 keV
Decay Mode
Decay chain
- TmThulium-149Z 69 · N 80500.0 ms
- β⁺
- β⁺93%
- β⁺100%
- β⁺100%
- β⁺83.3%
- β⁺~100%
- EC100%