Xe

Xenon-133m

Protons (Z)

54

Neutrons (N)

79

Mass number

133

Half-Life

2.2 d

Abundance

---

Mass

132.906 u

Mass Excess

-87,410.4 keV

Spin

11/2-

Discovered

1951

Binding energy per nucleon

8,411 keV

Neutron separation energy

6,203 keV

Proton separation energy

8,995 keV

Decay Mode

γXenon-133100%

Decay chain

Xenon-133Z 54 · N 792.2 d
γ100%
β⁻100%