Published February 2006 | Version v1
Journal article

Gamma-ray spectroscopy of the doubly magic nucleus 56Ni

  • 1. Lund University, Department of Physics, Lund (Sweden)
  • 2. Keele University, School of Chemistry and Physics, Keele (United Kingdom)
  • 3. Argonne National Laboratory, Physics Division, Argonne, IL (United States)
  • 4. Washington University, Chemistry Department, St. Louis, MO (United States)
  • 5. Lawrence Berkeley National Laboratory, Nuclear Science Division, Berkeley, CA (United States)

Description

The doubly magic N=Z nucleus 56Ni has been investigated with two fusion-evaporation reactions; 40Ca(28Si,3α)56Ni at a beam energy of 122MeV and 28Si(32S,2p2n)56Ni at 130MeV. To detect γ-rays in coincidence with evaporated particles the Ge-detector array Gammasphere was used in conjunction with the charged-particle detector system, Microball and a 1π neutron detector array. Results include a significantly extended level scheme of 56Ni, which is compared to large-scale shell model calculations in the fp shell. The experimental and theoretical results agree to a large extent, with one notable exception; the theoretical model fails to predict the proper sequence of the yrast and yrare 8+ states. (orig.)

Availability note (English)

Available from: http://dx.doi.org/10.1140/epja/i2005-10259-y

Additional details

Identifiers

Publishing Information

Journal Title
European Physical Journal. A
Journal Volume
27
Journal Issue
2
Journal Page Range
p. 157-165
ISSN
1434-6001