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Claes Fahlander

Professor emeritus

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Experimental and shell-model study of excited states in 55Fe29 and related notes on 55Cu26

Author

  • D. Rudolph
  • C. Andreoiu
  • M. A. Bentley
  • M. P. Carpenter
  • R. J. Charity
  • R. M. Clark
  • J. Ekman
  • C. Fahlander
  • P. Fallon
  • W. Reviol
  • D.G. Sarantites
  • D. Seweryniak
Show all

Summary, in English

The fusion-evaporation reaction 32S+28Si at 125-MeV beam energy was used to populate excited states in 55Fe. Combining the Gammasphere spectrometer with ancillary devices including the Microball CsI(Tl) array and a shell of neutron detectors, a comprehensive level scheme could be derived. The experimental results are compared with theoretical results from shell-model calculations. Taking into account isospin-symmetry breaking terms is found to considerably improve the shell-model description for 55Fe. This motivated a predictive case study of near-yrast states in the mirror nucleus 55Cu.

Department/s

  • Nuclear physics

Publishing year

2021-10-13

Language

English

Publication/Series

Physical Review C

Volume

104

Issue

4

Document type

Journal article

Publisher

American Physical Society

Topic

  • Subatomic Physics

Keywords

  • Nuclear Structure
  • Gamma-ray spectroscopy
  • Shell-model calculations
  • Isospin symmetry

Status

Published

Project

  • Nuclear Structure at the Limits: Isotope-selective Spectroscopy

ISBN/ISSN/Other

  • ISSN: 2469-9985