Eu

Europium-161

Protons (Z)

63

Neutrons (N)

98

Mass number

161

Half-Life

26.2 s

Abundance

---

Mass

160.934 u

Mass Excess

-61,792.0 keV

Spin

(5/2+)

Discovered

1986

Binding energy per nucleon

8,149 keV

Neutron separation energy

6,370 keV

Proton separation energy

8,848 keV

Decay Mode

β⁻Gadolinium-161100%

Decay chain

Europium-161Z 63 · N 9826.2 s
β⁻100%
β⁻100%
β⁻100%