Gadolinium-152 (Gd-152)

Identity

Protons

64

Neutrons

88

Mass number

152

Mass

151.9 ± 1.1 u

Mass excess

-74.707 MeV

Spin

0+

Stability

Half-life: 1.08 × 10¹⁴ years

Natural occurrence

0.200 % of gadolinium

Decays to

• alpha → Sm-148

Produced by

• Eu-152