Eu

Europium-145m

Protons (Z)

63

Neutrons (N)

82

Mass number

145

Half-Life

490.0 ns

Abundance

---

Mass

144.917 u

Mass Excess

-77,276.0 keV

Spin

11/2-

Discovered

1975

Binding energy per nucleon

8,264 keV

Neutron separation energy

9,728 keV

Proton separation energy

2,599 keV

Decay Mode

γEuropium-145100%

Decay chain

Europium-145Z 63 · N 82490.0 ns
γ100%
β⁺100%
EC100%
EC~100%