Sm

Samarium-161

Protons (Z)

62

Neutrons (N)

99

Mass number

161

Half-Life

4.8 s

Abundance

---

Mass

160.939 u

Mass Excess

-56,672.0 keV

Spin

(7/2+)

Discovered

1998

Binding energy per nucleon

8,122 keV

Neutron separation energy

4,510 keV

Proton separation energy

11,066 keV

Decay Mode

β⁻Europium-161100%

Decay chain

Samarium-161Z 62 · N 994.8 s
β⁻100%
β⁻100%
β⁻100%
β⁻100%