Lu

Lutetium-154m

Protons (Z)

71

Neutrons (N)

83

Mass number

154

Half-Life

1.12 s

Abundance

---

Mass

153.957 u

Mass Excess

-39,600.0 keV

Spin

(9+)

Discovered

1981

Binding energy per nucleon

7,968 keV

Neutron separation energy

9,291 keV

Proton separation energy

-271 keV

Decay Mode

Decay chain

Lutetium-154Z 71 · N 831.12 s
β⁺100%
α92.6%
β⁺100%
β⁺100%
β⁺66.4%
β⁺100%
α100%
α100%