Cs
Caesium-147m
Protons (Z)
55
Neutrons (N)
92
Mass number
147
Half-Life
190.0 ns
Abundance
---
Mass
146.945 u
Mass Excess
-51,219.0 keV
Spin
(13/2)
Discovered
2015
Binding energy per nucleon
8,127 keV
Neutron separation energy
3,980 keV
Proton separation energy
10,553 keV
Decay Mode
- γ→Caesium-147100%
Decay chain
- CsCaesium-147Z 55 · N 92190.0 ns
- γ100%
- β⁻71.5%
- β⁻99.93%
- β⁻99.959%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- α100%