Degenerate superdeformed states in Gd150

Beausang, C.W. and Fallon, P. and Clarke, S. and Beck, F.A. and Byrski, Th and Curien, D. and Dagnall, P.J. and DeFrance, G. and Duchêne, G. and Forsyth, P.D. and Haas, B. and Joyce, M.J. and Macchiavelli, A.O. and Paul, E.S. and Sharpey-Schafer, J.F. and Simpson, J. and Twin, P.J. and Vivien, J.P. (1993) Degenerate superdeformed states in Gd150. Physical review letters, 71. pp. 1800-1803. ISSN 1079-7114

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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.

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Journal Article
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Physical review letters
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01 Apr 2019 07:50
Last Modified:
20 Sep 2023 01:21