Sm

Samarium-159m

Protons (Z)

62

Neutrons (N)

97

Mass number

159

Half-Life

116.0 ns

Abundance

---

Mass

158.935 u

Mass Excess

-60,932.0 keV

Spin

(15/2+)

Discovered

2009

Binding energy per nucleon

8,149 keV

Neutron separation energy

3,751 keV

Proton separation energy

9,115 keV

Decay Mode

γSamarium-159100%

Decay chain

Samarium-159Z 62 · N 97116.0 ns
γ100%
β⁻100%
β⁻100%
β⁻100%