Eu

Europium-148m

Protons (Z)

63

Neutrons (N)

85

Mass number

148

Half-Life

162.0 ns

Abundance

---

Mass

147.919 u

Mass Excess

-75,577.0 keV

Spin

9+

Discovered

1980

Binding energy per nucleon

8,249 keV

Neutron separation energy

6,104 keV

Proton separation energy

3,600 keV

Decay Mode

γEuropium-148100%

Decay chain

Europium-148Z 63 · N 85162.0 ns
γ100%
β⁺~100%
α100%
α100%