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Hunting grounds for Jacobi transitions and hyperdeformations

Journal Article · · Acta Physica Polonica. Series B
OSTI ID:1407035
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  1. Univ. of Copenhagen (Denmark). The Niels Bohr Inst.
  2. Univ. of Milan (Italy); National Inst. of Nuclear Physics (INFN), Rome (Italy)
  3. Polish Academy of Sciences (PAS), Krakow (Poland). Henryk Niewodniczanski Inst. of Nuclear Physics
  4. Univ. of Bonn (Germany)
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  6. CNRS/IN2P3, Orsay (France)
  7. CNRS/IN2P3, Strasbourg (France)
  8. CNRS/IN2P3, Strasbourg (France); Polish Academy of Sciences (PAS), Krakow (Poland). Henryk Niewodniczanski Inst. of Nuclear Physics
  9. Univ. of Mississippi, Oxford, MS (United States)
  10. Univ. of Manchester (United Kingdom)
  11. Univ. of Oslo (Norway)
  12. Univ. of Camerino (Italy)
  13. Univ. of Cologne (Germany)
+ Show Author Affiliations
In recent attempts to search for exotic shapes, hyperdeformation (HD), and Jacobi transitions in Hf, Ba, Xe, Sn and Nd nuclei, ridge structures presumably originating from nuclei of very elongated shapes have been observed in 126Ba, with Gammasphere (GS) and in 126Xe, with Euroball-IV (EB-IV). After the promising results from GS, a second experiment in 126Ba followed at EB-IV, taking advantage of the use of the BGO Inner Ball (IB) for selecting the highest spins. The decay of the Giant Dipole Resonances (GDR) is also studied, and the analysis in progress. The Quasi-continuum transitions in the Jacobi region, show a significant decrease in energy for both 126Ba and 126Xe, compared to the Thomas-Fermi- and the LSD model predictions. Similar effects were recently found for other nuclei by Ward et al.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1407035
Journal Information:
Acta Physica Polonica. Series B, Journal Name: Acta Physica Polonica. Series B Vol. 34; ISSN 0587-4254
Publisher:
Jagiellonian UniversityCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS