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Analog states in tantalum and nuclear deformation between theN= 60 andN= 126 neutron shells

Authors
Journal
Nuclear Physics A
0375-9474
Publisher
Elsevier
Publication Date
Volume
186
Issue
3
Identifiers
DOI: 10.1016/0375-9474(72)90985-2
Keywords
  • Nuclear Reactions
Disciplines
  • Philosophy

Abstract

Abstract Analog resonances in 178Hf+p have been measured. Strong resonances are observed in the inelastic channels. The displacement energy has been determined accurately and a shift of the order of 100 keV due to deformation is found. The various contributions to the displacement energy of analog states are summarized and a phenomenological formula is given which describes all accurately known displacement energies between A ≈ 88 and A ≈ 209 within their experimental errors of about 25 keV. The determination of displacement energies constitutes a new method of measuring deformation parameters. Deformation parameters for a number of nuclei are calculated and compared to parameters from other experiments.

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