γ-Ray spectroscopy of core-excited states in51Mn

  • J. Ekman
  • , D. Rudolph
  • , C. Andreoiu
  • , C. Fahlander
  • , M. N. Mineva
  • , M. A. Bentley
  • , S. J. Williams
  • , R. Charity
  • , E. Ideguchi
  • , W. Reviol
  • , D. G. Sarantites
  • , V. Tomov
  • , R. M. Clark
  • , M. Cromaz
  • , P. Fallon
  • , A. O. Macchiavelli
  • , M. P. Carpenter
  • , D. Seweryniak

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The level scheme of 51Mn has been investigated using the 28Si(32S,2α1p)51Mn fusion-evaporation reaction at 125 MeV beam energy. The γ rays were detected in the Ge-detector array Gammasphere, which was coupled to the 4-π-charged-particle detector Microball and the Neutron Shell for the coincident detection of evaporated particles. Over 100 new γ-ray transitions connecting some 50 excited states have been identified. Most of the states are built on particle-hole excitations across the shell gaps at particle number N=Z=28. The rich experimental data allows for a comprehensive comparison of core-excited states with results from large-scale shell-model calculations, which are known to provide excellent predictions for the lower-lying yrast and near-yrast levels in 1f7/2 nuclei.

Original languageEnglish
Article number014306
Pages (from-to)014306-1-014306-14
JournalPhysical Review C - Nuclear Physics
Volume70
Issue number1
DOIs
StatePublished - Jul 2004

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