Ba

Barium-131m

Protons (Z)

56

Neutrons (N)

75

Mass number

131

Half-Life

14.26 m

Abundance

---

Mass

130.907 u

Mass Excess

-86,491.0 keV

Spin

9/2-

Discovered

1963

Binding energy per nucleon

8,397 keV

Neutron separation energy

7,306 keV

Proton separation energy

6,880 keV

Decay Mode

γBarium-131100%

Decay chain

Barium-131Z 56 · N 7514.26 m
γ100%
β⁺100%
EC100%