Yadern.Fiz. 10, 929 (1969); Soviet J.Nucl.Phys. 10, 536 (1970)

Z.G.Gritchenko, T.P.Makarova, Y.T.Oganesyan, Y.E.Penionzhkevich, A.V.Stepanov

γ Radiation of Certain Rare-Earth Products of Fission of U by Heavy Ions

RADIOACTIVITY ^140,141,142La, ^{135,137,139,141,143,144}Ce, ^{138,139,142,143,145}Pr, ^{139,140,147,149}Nd, ^{144,148,149,150,151}Pm, ^153,156Sm, ^{150,155,156,157}Eu, ^147,149,159Gd[from ²³⁸U(HI, F), with HI = ¹²C, ^20,22Ne, ⁴⁰Ar]; measured Eγ, Iγ.

NUCLEAR REACTIONS ²³⁸U(HI, F), E=80-290 MeV with HI= ¹²C, ^20,22Ne, ⁴⁰Ar; measured Eγ, Iγ; deduced yields of several La, Ce, Pr, Nd, Pm, Sm, Eu, Gd isotopes. Ge(Li) detector.