Cs

Caesium-134m

Protons (Z)

55

Neutrons (N)

79

Mass number

134

Half-Life

2.91 h

Abundance

---

Mass

133.907 u

Mass Excess

-86,752.421 keV

Spin

8-

Discovered

1975

Binding energy per nucleon

8,398 keV

Neutron separation energy

6,753 keV

Proton separation energy

6,398 keV

Decay Mode

γCaesium-134100%

Decay chain

Caesium-134Z 55 · N 792.91 h
γ100%
β⁻~100%