Samarium-151 (Sm-151)

Identity

Protons

62

Neutrons

89

Mass number

151

Mass

150.9 ± 1.2 u

Mass excess

-74.576 MeV

Spin

5/2-*

Stability

Half-life: 94.6 years

Natural occurrence

Not found in nature

Decays to

• beta minus → Eu-151

Produced by

• Pm-151