ENERGY STAGGERING IN SUPERDEFORMED BANDS IN CE-131, CE-132, AND CE-133

Superdeformed bands observed in Ce-131, Ce-132, and Ce-133 have sequen ces of gamma-ray transition energies that exhibit a Delta I = 2 stagge ring. This staggering has different characteristics to that seen in pr eviously known cases in other mass regions. The energy staggering star ts at low rotational frequency (HBAR omega = 3 MeV for Ce-131) at a ma gnitude of similar to+/-0.3 keV, dies away to zero at intermediate fre quency (Aw = 0.6 - 0.7 MeV), and reappears at higher frequencies (HBAR omega similar to 0.7 MeV).