Yb
Ytterbium-155
Protons (Z)
70
Neutrons (N)
85
Mass number
155
Half-Life
1.79 s
Abundance
---
Mass
154.946 u
Mass Excess
-50,503.0 keV
Spin
(7/2-)
Discovered
1964
Binding energy per nucleon
8,044 keV
Neutron separation energy
8,642 keV
Proton separation energy
3,365 keV
Decay Mode
Decay chain
- YbYtterbium-155Z 70 · N 851.79 s
- α89%
- β⁺100%
- β⁺88%
- β⁺94.4%
- β⁺99.991%
- EC~100%
- α100%
- β⁻100%
- α100%