Sb

Antimony-133m

Protons (Z)

51

Neutrons (N)

82

Mass number

133

Half-Life

16.54 µs

Abundance

---

Mass

132.92 u

Mass Excess

-74,383.0 keV

Spin

(21/2+)

Discovered

1978

Binding energy per nucleon

8,331 keV

Neutron separation energy

2,819 keV

Proton separation energy

5,125 keV

Decay Mode

γAntimony-133100%

Decay chain

Antimony-133Z 51 · N 8216.54 µs
γ100%
β⁻100%
β⁻100%
β⁻100%
β⁻100%