Tb

Terbium-149m

Protons (Z)

65

Neutrons (N)

84

Mass number

149

Half-Life

4.16 m

Abundance

---

Mass

148.923 u

Mass Excess

-71,453.0 keV

Spin

11/2-

Discovered

1962

Binding energy per nucleon

8,210 keV

Neutron separation energy

8,987 keV

Proton separation energy

2,473 keV

Decay Mode

Decay chain

Terbium-149Z 65 · N 844.16 m
β⁺~100%
β⁺~100%
EC100%