Er

Erbium-148m

Protons (Z)

68

Neutrons (N)

80

Mass number

148

Half-Life

13.0 µs

Abundance

---

Mass

147.948 u

Mass Excess

-48,566.0 keV

Spin

(10+)

Discovered

1982

Binding energy per nucleon

8,040 keV

Neutron separation energy

10,027 keV

Proton separation energy

98 keV

Decay Mode

γErbium-148100%

Decay chain

Erbium-148Z 68 · N 8013.0 µs
γ100%
β⁺99.85%
β⁺100%
β⁺100%
β⁺100%
α100%