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Title: Lifetime measurements of the first 2+ states in 104,106Zr: Evolution of ground-state deformations

In this study, the first fast-timing measurements from nuclides produced via the in-flight fission mechanism are reported. The lifetimes of the first 2+ states in 104,106Zr nuclei have been measured via β-delayed γ-ray timing of stopped radioactive isotope beams. An improved precision for the lifetime of the 2+1 in 104Zr was obtained, τ(2+1) = 2.90+25–20, as well as a first measurement of the 2+1 state in 106Zr, τ(2+1) = 2.60+20–15 ns, with corresponding reduced transition probabilities.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [5] ;  [5] ;  [5] ;  [6] ;  [7] ;  [8] ;  [8] ;  [9] ;  [10] ;  [11] ;  [7] ;  [5] ;  [12] ;  [13] ;  [14] more »;  [7] ;  [5] ;  [15] ;  [7] ;  [5] ;  [5] ;  [5] ;  [16] ;  [16] ;  [5] ;  [17] ;  [18] ;  [14] ;  [7] ;  [7] ;  [13] ;  [19] ;  [2] ;  [20] ;  [16] ;  [21] ;  [5] ;  [5] ;  [7] ;  [22] ;  [23] ;  [24] « less
  1. Univ. of Brighton, Brighton (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
  2. Univ. of Brighton, Brighton (United Kingdom)
  3. Tohoku Univ., Mihagi (Japan); RIKEN Nishina Center, Saitama (Japan)
  4. Tohoku Univ., Mihagi (Japan)
  5. RIKEN Nishina Center, Saitama (Japan)
  6. RIKEN Nishina Center, Saitama (Japan); Beihang Univ., Beijing (China)
  7. Osaka Univ., Osaka (Japan)
  8. Univ. of Surrey, Guildford (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
  9. Univ. of York, York (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
  10. Peking Univ., Beijing (China); RIKEN Nishina Center, Saitama (Japan)
  11. Univ. of Tokyo, Tokyo (Japan); Univ. of Hong Kong (Hong Kong)
  12. RIKEN Nishina Center, Saitama (Japan); Tohoku Univ., Miyagi (Japan)
  13. Univ. of Surrey, Guildford (United Kingdom)
  14. Univ. de Strasbourg, Strasbourg (France)
  15. RIKEN Nishina Center, Saitama (Japan); Univ. Grenoble-Alpes, Grenoble Cedex (France); ILL, Grenoble Cedex (France)
  16. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany)
  17. Univ. of Sofia, Sofia (Bulgaria)
  18. Peking Univ., Beijing (China)
  19. Univ. of Surrey, Guildford (United Kingdom); National Physical Lab., Middlesex (United Kingdom)
  20. Univ. of Tokyo, Tokyo (Japan); RIKEN Nishina Center, Saitama (Japan)
  21. Univ. Grenoble-Alpes, Grenoble Cedex (France)
  22. Univ. Autonoma de Madrid, Madrid (Spain); Instituto de Estructura de la Materia, Madrid (Spain); RIKEN Nishina Center, Saitama (Japan)
  23. Yale Univ., New Haven, CT (United States); Technische Univ., Darmstadt, Darmstadt (Germany)
  24. INFN Sezione di Milano, Milano (Italy)
Publication Date:
Grant/Contract Number:
FG02-91ER40609; FG02-91ER-40609
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 750; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Yale Univ., New Haven, CT (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
OSTI Identifier:
1222247
Alternate Identifier(s):
OSTI ID: 1241142