Sm

Samarium-143

Protons (Z)

62

Neutrons (N)

81

Mass number

143

Half-Life

8.75 m

Abundance

---

Mass

142.915 u

Mass Excess

-79,517.1 keV

Spin

3/2+

Discovered

1956

Binding energy per nucleon

8,288 keV

Neutron separation energy

8,607 keV

Proton separation energy

5,664 keV

Decay Mode

β⁺40%

Decay chain

Samarium-143Z 62 · N 818.75 m
β⁺100%
EC~100%