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Classification of Superdeformed Bands in the Mass A~60 Region

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Author

Summary, in English

The experimental knowledge of the Cu-61(29)32 and Zn-61(30)31 nuclei has been largely extended via the joint results from three experiments. The fusion-evaporation reaction used a Ar-36 beam and a Si-28 target foil to produce the two nuclei via the evaporation of either three protons (Cu-61) or two protons and a neutron (Zn-61). The experimental set-ups comprised the Ge-array GAMMASPHERE as well as neutron and charged-particle detectors placed around the target position. The resulting level schemes include around ten rotational superdeformed structures in each isotope. Most of them are linked to normally deformed states and in many cases spins and parities of the low-lying states in each structure have been determined. The collective structures are compared with results from configuration dependent Cranked Nilsson-Strutinsky calculations. The different structures are in general well understood from the calculation but the results do also suggest modifications of the standard Nilsson parameters in the mass A similar to 60 region.

Publishing year

2008

Language

English

Pages

211-214

Publication/Series

Nuclear Physics and Astrophysics

Volume

1072

Document type

Conference paper

Publisher

American Institute of Physics (AIP)

Topic

  • Subatomic Physics
  • Physical Sciences

Keywords

  • cranked Nilsson-Strutinsky
  • Superdeformation
  • calculations
  • high-spin states

Conference name

Conference on Nuclear Physic and Astrophysics - From Stable Beams to Exotic Nuclei

Conference date

2008-06-25 - 2008-06-30

Status

Published

Project

  • A Trilogy of Mass A=61: Superdeformed Structures, Exotic Decay, and Isospin Symmetry

Research group

  • Nuclear Structure

ISBN/ISSN/Other

  • ISBN: 978-0-7354-0603-2