La

Lanthanum-144

Protons (Z)

57

Neutrons (N)

87

Mass number

144

Half-Life

44.0 s

Abundance

---

Mass

143.92 u

Mass Excess

-74,850.0 keV

Spin

(3-)

Discovered

1967

Binding energy per nucleon

8,281 keV

Neutron separation energy

4,750 keV

Proton separation energy

8,202 keV

Decay Mode

β⁻Cerium-144100%

Decay chain

Lanthanum-144Z 57 · N 8744.0 s
β⁻100%
β⁻100%
β⁻100%
α100%