Y
Yttrium-89m
Protons (Z)
39
Neutrons (N)
50
Mass number
89
Half-Life
15.66 s
Abundance
---
Mass
88.907 u
Mass Excess
-86,802.2 keV
Spin
9/2+
Discovered
1951
Binding energy per nucleon
8,704 keV
Neutron separation energy
10,575 keV
Proton separation energy
6,170 keV
Decay Mode
- γ→Yttrium-89100%
Decay chain
- YYttrium-89Z 39 · N 5015.66 s
- γ100%