Europium-145 (Eu-145)

Identity

Protons

63

Neutrons

82

Mass number

145

Mass

144.9 ± 3.3 u

Mass excess

-77.992 MeV

Spin

5/2+*

Stability

Half-life: 5.93 days

Natural occurrence

Not found in nature

Decays to

• positron emission → Sm-145