Au

Gold-189m

Protons (Z)

79

Neutrons (N)

110

Mass number

189

Half-Life

4.59 m

Abundance

---

Mass

188.964 u

Mass Excess

-33,335.0 keV

Spin

11/2-

Discovered

1966

Binding energy per nucleon

7,921 keV

Neutron separation energy

9,035 keV

Proton separation energy

2,803 keV

Decay Mode

Decay chain

Gold-189Z 79 · N 1104.59 m
β⁺100%
β⁺100%
EC100%