Lu

Lutetium-169

Protons (Z)

71

Neutrons (N)

98

Mass number

169

Half-Life

1.42 d

Abundance

---

Mass

168.938 u

Mass Excess

-58,083.0 keV

Spin

7/2+

Discovered

1955

Binding energy per nucleon

8,086 keV

Neutron separation energy

9,084 keV

Proton separation energy

3,792 keV

Decay Mode

β⁺Ytterbium-169100%

Decay chain

Lutetium-169Z 71 · N 981.42 d
β⁺100%
EC100%