Sb

Antimony-127m

Protons (Z)

51

Neutrons (N)

76

Mass number

127

Half-Life

11.7 µs

Abundance

---

Mass

126.909 u

Mass Excess

-84,778.0 keV

Spin

15/2-

Discovered

1974

Binding energy per nucleon

8,425 keV

Neutron separation energy

6,459 keV

Proton separation energy

6,052 keV

Decay Mode

γAntimony-127100%

Decay chain

Antimony-127Z 51 · N 7611.7 µs
γ100%
β⁻100%
β⁻100%