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Degenerate superdeformed states in Gd150

Research output: Contribution to journalJournal articlepeer-review

Published
  • C.W. Beausang
  • P. Fallon
  • S. Clarke
  • F.A. Beck
  • Th Byrski
  • D. Curien
  • P.J. Dagnall
  • G. DeFrance
  • G. Duchêne
  • P.D. Forsyth
  • B. Haas
  • M.J. Joyce
  • A.O. Macchiavelli
  • E.S. Paul
  • J.F. Sharpey-Schafer
  • J. Simpson
  • P.J. Twin
  • J.P. Vivien
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<mark>Journal publication date</mark>1993
<mark>Journal</mark>Physical review letters
Volume71
Number of pages4
Pages (from-to)1800-1803
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The superdeformed (SD) structure of 150Gd has been studied using the Eurogam gamma-ray spectrometer and three new SD bands have been discovered. An interaction is observed between two of the SD bands caused by the near degeneracy of two levels. This is the first observation of accidental degeneracy between SD states. The interaction strength is determined to be 11 keV and evidence for crosstalk between the bands is observed. The absolute energy difference between two SD states in the second minimum has been accurately measured and the relative spins and parities of the two bands have been fixed.