Re

Rhenium-189m

Protons (Z)

75

Neutrons (N)

114

Mass number

189

Half-Life

2.0 µs

Abundance

---

Mass

188.959 u

Mass Excess

-37,854.0 keV

Spin

9/2-

Discovered

---

Binding energy per nucleon

7,961 keV

Neutron separation energy

6,908 keV

Proton separation energy

6,475 keV

Decay Mode

γRhenium-189

Decay chain

Rhenium-189Z 75 · N 1142.0 µs
γ
β⁻100%