Rb
Rubidium-84m
Protons (Z)
37
Neutrons (N)
47
Mass number
84
Half-Life
20.26 m
Abundance
---
Mass
83.915 u
Mass Excess
-79,295.4 keV
Spin
6-
Discovered
1940
Binding energy per nucleon
8,671 keV
Neutron separation energy
8,296 keV
Proton separation energy
6,594 keV
Decay Mode
Decay chain
- RbRubidium-84Z 37 · N 4720.26 m
- γ~100%
- β⁺96.1%