Re

Rhenium-181m

Protons (Z)

75

Neutrons (N)

106

Mass number

181

Half-Life

156.7 ns

Abundance

---

Mass

180.95 u

Mass Excess

-46,254.0 keV

Spin

9/2-

Discovered

1967

Binding energy per nucleon

8,003 keV

Neutron separation energy

8,488 keV

Proton separation energy

3,907 keV

Decay Mode

γRhenium-181100%

Decay chain

Rhenium-181Z 75 · N 106156.7 ns
γ100%
β⁺100%
EC100%