Studies of U-225,U-226 alpha -decay chains produced via heavy ion induced f
usion reactions of Ne-22 + Pb-208 --> U-230 and of O-18 + Pb-208 --> Th-226
were carried out using the JYFL gas-filled magnetic recoil separator RITU.
The data obtained for alpha -decays of U-225,U-226, Th-221,Th-222, Ra-218
and Rn-213 concerning their alpha -particle energies, half-lives and alpha
-decay fine structures are compared to previous investigations.