Sb

Antimony-140m

Protons (Z)

51

Neutrons (N)

89

Mass number

140

Half-Life

41.0 µs

Abundance

---

Mass

139.953 u

Mass Excess

-44,060.0 keV

Spin

(6-)

Discovered

2016

Binding energy per nucleon

8,101 keV

Neutron separation energy

2,081 keV

Proton separation energy

12,039 keV

Decay Mode

γAntimony-140100%

Decay chain

Antimony-140Z 51 · N 8941.0 µs
γ100%
β⁻69.4%
β⁻100%
β⁻92.4%
β⁻100%
β⁻100%
β⁻100%
β⁻100%