Zr

Zirconium-87m

Protons (Z)

40

Neutrons (N)

47

Mass number

87

Half-Life

14.0 s

Abundance

---

Mass

86.915 u

Mass Excess

-79,011.0 keV

Spin

1/2-

Discovered

1972

Binding energy per nucleon

8,620 keV

Neutron separation energy

9,113 keV

Proton separation energy

7,017 keV

Decay Mode

γZirconium-87100%

Decay chain

Zirconium-87Z 40 · N 4714.0 s
γ100%
β⁺100%
β⁺100%