SUPERDEFORMED STATE OF THE ROTATING NUCLEUS DY-151 (N = 85)

A rotational band of 20 transitions extending to spin 131/2HBAR has been observed in 151Dy with an average dynamical moment of inertia theta2 = 74 +/- 14 HBAR2.MeV -1. This band is identified as a superdeformed band in 151Dy. The value of theta2 agrees with cranked Strutinsky calculations. Similarities as well as striking differences in relation to the superdeformed bands of neighboring nuclei are observed.