Ba

Barium-133

Protons (Z)

56

Neutrons (N)

77

Mass number

133

Half-Life

10.54 y

Abundance

---

Mass

132.906 u

Mass Excess

-87,553.5 keV

Spin

1/2+

Discovered

1941

Binding energy per nucleon

8,400 keV

Neutron separation energy

7,190 keV

Proton separation energy

7,690 keV

Decay Mode

ECCaesium-133100%

Decay chain

Barium-133Z 56 · N 7710.54 y
EC100%