Yrast superdeformed band in 59cu

C. Andreoiu, D. Rudolph, C. E. Svensson, A. V. Afanasjev, J. Dobaczewski, I. Ragnarsson, C. Baktash, J. Eberth, C. Fahlander, D. S. Haslip, D. R. LaFosse, S. D. Paul, D. G. Sarantites, H. G. Thomas, J. C. Waddington, W. Weintraub, J. N. Wilson, C. H. Yu

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Abstract

High-spin states in 59Cu were populated using the fusion-evaporation reactions 28Si+40Ca at a beam energy of 125 MeV and 36Ar+28Si at a beam energy of 143 MeV. The Gammasphere array in conjunction with ancillary detector systems allowed for the identification of a superdeformed rotational band in 59Cu, which was firmly linked to low-spin yrast states. Using directional correlations of oriented states, a spin-parity assignment of Iπ = 25/2+ to the band head was possible. The average quadrupole moment of the band is measured to be Qt = (2.24±0.40) e b. The characteristics of the band are compared to neighboring nuclei and predictions of different mean-field theories.

Original languageEnglish
Article number051301
Pages (from-to)513011-513015
Number of pages5
JournalPhysical Review C - Nuclear Physics
Volume62
Issue number5
DOIs
StatePublished - Nov 2000

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