Tb

Terbium-142n

Protons (Z)

65

Neutrons (N)

77

Mass number

142

Half-Life

26.0 µs

Abundance

---

Mass

141.94 u

Mass Excess

-55,910.0 keV

Spin

8+

Discovered

1989

Binding energy per nucleon

8,107 keV

Neutron separation energy

9,441 keV

Proton separation energy

-25 keV

Decay Mode

γTerbium-142100%

Decay chain

Terbium-142Z 65 · N 7726.0 µs
γ100%
β⁺99.998%
β⁺100%
β⁺100%
β⁺100%
β⁺100%