Er

Erbium-159n

Protons (Z)

68

Neutrons (N)

91

Mass number

159

Half-Life

590.0 ns

Abundance

---

Mass

158.931 u

Mass Excess

-64,132.0 keV

Spin

11/2-

Discovered

1971

Binding energy per nucleon

8,140 keV

Neutron separation energy

6,899 keV

Proton separation energy

5,234 keV

Decay Mode

γErbium-159100%

Decay chain

Erbium-159Z 68 · N 91590.0 ns
γ100%
β⁺100%
β⁺100%
EC100%