Ba

Barium-135m

Protons (Z)

56

Neutrons (N)

79

Mass number

135

Half-Life

1.17 d

Abundance

---

Mass

134.906 u

Mass Excess

-87,582.43 keV

Spin

11/2-

Discovered

1948

Binding energy per nucleon

8,396 keV

Neutron separation energy

6,704 keV

Proton separation energy

7,980 keV

Decay Mode

γBarium-135100%

Decay chain

Barium-135Z 56 · N 791.17 d
γ100%