88-Ra-228

( Ra-228 is also called mesothorium 1 )

Atomic Mass: 228.0310641 ± 0.0000027 amu
Excess Mass: 28936.019 ± 2.485 keV
Binding Energy: 1742478.482 ± 2.505 keV
Beta Decay Energy: B- 45.900 ± 0.894 keV

Spin: 0+
Half life: 5.75 Y ( 0.5217 % )
Mode of decay: Beta to Ac-228
- Decay energy: 0.046 MeV
Possible parent nuclides:

Beta from Fr-228

Alpha from Th-232