La

Lanthanum-147

Protons (Z)

57

Neutrons (N)

90

Mass number

147

Half-Life

4.03 s

Abundance

---

Mass

146.928 u

Mass Excess

-66,678.0 keV

Spin

(5/2+)

Discovered

1979

Binding energy per nucleon

8,222 keV

Neutron separation energy

5,528 keV

Proton separation energy

9,101 keV

Decay Mode

Decay chain

Lanthanum-147Z 57 · N 904.03 s
β⁻99.959%
β⁻100%
β⁻100%
β⁻100%
β⁻100%
α100%