Os

Osmium-189m

Protons (Z)

76

Neutrons (N)

113

Mass number

189

Half-Life

5.81 h

Abundance

---

Mass

188.958 u

Mass Excess

-38,956.0 keV

Spin

9/2-

Discovered

1960

Binding energy per nucleon

7,963 keV

Neutron separation energy

5,890 keV

Proton separation energy

7,228 keV

Decay Mode

Decay chain

Osmium-189Z 76 · N 1135.81 h
γ100%