Probing sd-fp cross-shell interactions via terminating configurations in Sc42,43

C. J. Chiara, M. Devlin, E. Ideguchi, D. R. Lafosse, F. Lerma, W. Reviol, S. K. Ryu, D. G. Sarantites, O. L. Pechenaya, C. Baktash, A. Galindo-Uribarri, M. P. Carpenter, R. V.F. Janssens, T. Lauritsen, C. J. Lister, P. Reiter, D. Seweryniak, P. Fallon, A. Görgen, A. O. MacChiavelliD. Rudolph, G. Stoitcheva, W. E. Ormand

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Abstract

An experimental study of the lower fp-shell nuclei Sc42,43 was performed via αpn and αp evaporation, respectively, from Ne20 + Si28 and Mg24 + Mg24 fusion-evaporation reactions. The experiments were conducted with the Gammasphere and Microball detector arrays. The level schemes of both nuclei have been extended considerably. Terminating states associated with the f7/2n and d3/2-1f7/2n+1 configurations were identified in each nuclide and incorporated into detailed comparisons with neighboring nuclei and with shell model calculations. The energy differences between the terminating states provide a test of the sd-fp cross-shell interactions in these calculations.

Original languageEnglish
Article number054305
JournalPhysical Review C - Nuclear Physics
Volume75
Issue number5
DOIs
StatePublished - May 4 2007

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