Lu

Lutetium-166m

Protons (Z)

71

Neutrons (N)

95

Mass number

166

Half-Life

1.41 m

Abundance

---

Mass

165.94 u

Mass Excess

-55,990.0 keV

Spin

3-

Discovered

1974

Binding energy per nucleon

8,074 keV

Neutron separation energy

7,619 keV

Proton separation energy

2,984 keV

Decay Mode

Decay chain

Lutetium-166Z 71 · N 951.41 m
β⁺58%
EC100%
β⁺100%