Samarium-148 (Sm-148)
Identity
- Protons
- 62
- Neutrons
- 86
- Mass number
- 148
- Mass
- 147.9 ± 1.3 u
- Mass excess
- -79.336 MeV
- Spin
- 0+
Stability
Half-life: 6.30 × 10¹⁵ years
Natural occurrence
11.25 % of samarium
Decays to
- alpha Nd-144
Half-life: 6.30 × 10¹⁵ years
11.25 % of samarium