Gd
Gadolinium-143m
Protons (Z)
64
Neutrons (N)
79
Mass number
143
Half-Life
1.83 m
Abundance
---
Mass
142.927 u
Mass Excess
-68,080.0 keV
Spin
11/2-
Discovered
1973
Binding energy per nucleon
8,197 keV
Neutron separation energy
9,191 keV
Proton separation energy
4,059 keV
Decay Mode
Decay chain
- GdGadolinium-143Z 64 · N 791.83 m
- β⁺100%
- β⁺100%
- β⁺100%
- EC~100%