La

Lanthanum-132m

Protons (Z)

57

Neutrons (N)

75

Mass number

132

Half-Life

24.3 m

Abundance

---

Mass

131.91 u

Mass Excess

-83,530.0 keV

Spin

6-

Discovered

1969

Binding energy per nucleon

8,366 keV

Neutron separation energy

7,832 keV

Proton separation energy

4,140 keV

Decay Mode

Decay chain

Lanthanum-132Z 57 · N 7524.3 m
γ76%
β⁺100%