Zr

Zirconium-89m

Protons (Z)

40

Neutrons (N)

49

Mass number

89

Half-Life

4.16 m

Abundance

---

Mass

88.91 u

Mass Excess

-84,290.2 keV

Spin

1/2-

Discovered

1953

Binding energy per nucleon

8,667 keV

Neutron separation energy

8,733 keV

Proton separation energy

7,280 keV

Decay Mode

Decay chain

Zirconium-89Z 40 · N 494.16 m
γ93.77%
β⁺100%