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Observation and lifetime of the first excited superdeformed band in 192Hg

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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  • A. Korichi
  • F. Hannachi
  • I. Deloncle
  • W. Korten
  • I. Ahmad
  • F. Azaiez
  • G. Bastin
  • C.W. Beausang
  • C. Bourgeois
  • M.P. Carpenter
  • R.M. Clark
  • R. Duffait
  • J. Duprat
  • B.J.P. Gall
  • R.G. Henry
  • H. Hübel
  • R.V.F. Janssens
  • M. Kaci
  • T.L. Khoo
  • T. Lauritsen
  • Y. Le Coz
  • M. Meyer
  • E.S. Paul
  • N. Perrin
  • N. Poffé
  • M.G. Porquet
  • N. Redon
  • C. Schück
  • H. Sergolle
  • J.F. Sharpey-Schafer
  • J. Simpson
  • A.G. Smith
  • R. A. Wadsworth
  • P. Willsau
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<mark>Journal publication date</mark>1995
<mark>Journal</mark>Physics Letters B
Issue number4
Volume345
Number of pages5
Pages (from-to)403-407
Publication StatusPublished
<mark>Original language</mark>English

Abstract

An excited superdeformed (SD) band has been observed in 192Hg with the UROGAM spectrometer. It is interpreted as a two quasi-neutron excitation in the 192Hg SD nucleus. Nuclear level lifetimeshave been measured using the Dopple-shift attenuation method. An average transition quadrupole moment of 19.5 ± 1.5 b has been obtained which is similar to the value measured in the yeast SD band. These results indicate that the deformation in the 192Hg SD nucleus is stable despite changes in the occupancy of high-N-orbitals.