Cs

Caesium-130m

Protons (Z)

55

Neutrons (N)

75

Mass number

130

Half-Life

3.46 m

Abundance

---

Mass

129.907 u

Mass Excess

-86,737.0 keV

Spin

5-

Discovered

1977

Binding energy per nucleon

8,408 keV

Neutron separation energy

7,309 keV

Proton separation energy

5,330 keV

Decay Mode

Decay chain

Caesium-130Z 55 · N 753.46 m
γ~100%
β⁺98.4%