Phys. Rev. Lett. 89, 282501 (2002) [4 pages]Octupole Vibration in Superdeformed 66152Dy86Received 7 June 2002; published 31 December 2002 Nine transitions of dipole character have been identified linking an excited superdeformed (SD) band in 152Dy to the yrast SD band. As a result, the excitation energy of the lowest level in the excited SD band has been measured to be 14 238 keV. This corresponds to a 1.3 MeV excitation above the SD ground state. The levels in this band have tentatively been determined to be of negative parity and odd spin. The measured properties are consistent with an interpretation in terms of a rotational band built on a collective octupole vibration. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.282501
DOI:
10.1103/PhysRevLett.89.282501
PACS:
21.10.Re, 23.20.Lv, 23.20.En, 27.70.+q
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