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Discovery of a new long-lived isomeric state in 125Ce

  • B. Sun*
  • , Yu A. Litvinov
  • , P. M. Walker
  • , K. Beckert
  • , P. Beller
  • , F. Bosch
  • , D. Boutin
  • , C. Brandau
  • , L. Chen
  • , C. Dimopoulou
  • , H. Geissel
  • , R. Knöbel
  • , C. Kozhuharov
  • , J. Kurcewicz
  • , S. A. Litvinov
  • , M. Mazzocco
  • , J. Meng
  • , C. Nociforo
  • , F. Nolden
  • , W. R. Plass
  • C. Scheidenberger, M. Steck, H. Weick, M. Winkler
*此作品的通讯作者
  • Peking University
  • GSI Helmholtz Centre for Heavy Ion Research
  • Justus Liebig University Giessen
  • University of Surrey
  • University of Warsaw

科研成果: 期刊稿件文章同行评审

摘要

A new long-lived isomeric state in the near proton dripline nucleus 125Ce has been identified with Schottky mass spectrometry at GSI. The excitation energy E* = 103(12)keV and the decay time of 193(1)s have been obtained from a single stored fully ionized 125mCe58+ ion. The data implies an E3 transition and a 1/2+ assignment for the spin of the isomer.

源语言英语
页(从-至)393-394
页数2
期刊European Physical Journal A
31
3
DOI
出版状态已出版 - 3月 2007
已对外发布

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