Sm

Samarium-157

Protons (Z)

62

Neutrons (N)

95

Mass number

157

Half-Life

8.03 m

Abundance

---

Mass

156.928 u

Mass Excess

-66,678.0 keV

Spin

(3/2-)

Discovered

1973

Binding energy per nucleon

8,187 keV

Neutron separation energy

5,388 keV

Proton separation energy

9,800 keV

Decay Mode

β⁻Europium-157100%

Decay chain

Samarium-157Z 62 · N 958.03 m
β⁻100%
β⁻100%