Evidence for superdeformation in 149,150dy: Onset of the collapse of the z=66 deformed shell closure?
Research output: Contribution to journal › Article
An experiment has been performed to search for superdeformed (SD) states in 149,150Dy. While no evidence for discrete superdeformed states has been observed, a superdeformed ridge with a separation of ΔΕγ=52 keV with a total intensity of 1.8±0.5% that of 150Dy has been observed. An upper limit of 0.8% (0.9%), of the intensity of 150Dy (149Dy), is placed for observation of the most intense discrete line states. The relative weakness in the SD population is suggested to be due to a rapid decrease in the depth of the superdeformed minimum, as one moves away from doubly magic 152Dy.
|Number of pages||4|
|Journal||Physical Review C - Nuclear Physics|
|Publication status||Published - 2000 Jan 1|