Eu

Europium-159

Protons (Z)

63

Neutrons (N)

96

Mass number

159

Half-Life

18.1 m

Abundance

---

Mass

158.929 u

Mass Excess

-66,043.0 keV

Spin

5/2+

Discovered

1961

Binding energy per nucleon

8,177 keV

Neutron separation energy

6,844 keV

Proton separation energy

8,080 keV

Decay Mode

β⁻Gadolinium-159100%

Decay chain

Europium-159Z 63 · N 9618.1 m
β⁻100%
β⁻100%