Eu

Europium-153m

Protons (Z)

63

Neutrons (N)

90

Mass number

153

Half-Life

475.0 ns

Abundance

---

Mass

152.923 u

Mass Excess

-71,596.5 keV

Spin

19/2-

Discovered

2000

Binding energy per nucleon

8,217 keV

Neutron separation energy

6,779 keV

Proton separation energy

4,122 keV

Decay Mode

γEuropium-153100%

Decay chain

Europium-153Z 63 · N 90475.0 ns
γ100%