Europium-147 (Eu-147)

Identity

Protons

63

Neutrons

84

Mass number

147

Mass

146.9 ± 2.8 u

Mass excess

-77.545 MeV

Spin

5/2+*

Stability

Half-life: 24.1 days

Natural occurrence

Not found in nature

Decays to

• positron emission 100.0 % → Sm-147
• alpha 0.0022 % → Pm-143

Produced by

• Gd-147