Sm

Samarium-153m

Protons (Z)

62

Neutrons (N)

91

Mass number

153

Half-Life

10.6 ms

Abundance

---

Mass

152.922 u

Mass Excess

-72,461.7 keV

Spin

11/2-

Discovered

1971

Binding energy per nucleon

8,228 keV

Neutron separation energy

5,770 keV

Proton separation energy

8,497 keV

Decay Mode

γSamarium-153100%

Decay chain

Samarium-153Z 62 · N 9110.6 ms
γ100%
β⁻100%