Shape coexistence along N=40

  • S. N. Liddick
  • , S. Suchyta
  • , B. Abromeit
  • , A. Ayres
  • , A. Bey
  • , C. R. Bingham
  • , M. Bolla
  • , M. P. Carpenter
  • , L. Cartegni
  • , C. J. Chiara
  • , H. L. Crawford
  • , I. G. Darby
  • , R. Grzywacz
  • , G. Gürdal
  • , S. Ilyushkin
  • , N. Larson
  • , M. Madurga
  • , E. A. McCutchan
  • , D. Miller
  • , S. Padgett
  • S. V. Paulauskas, J. Pereira, M. M. Rajabali, K. Rykaczewski, S. Vinnikova, W. B. Walters, S. Zhu

    Research output: Contribution to journalArticlepeer-review

    33 Scopus citations

    Abstract

    The low-energy level structures of 2564Mn39 and 2566Mn 41 were investigated through both the decay of Mn metastable states and the population of levels following the β decay of 64Cr and 66Cr. The deduced level schemes and tentatively assigned spins and parities suggest the coexistence of spherical and deformed configurations above and below N=40 for the odd-odd Mn isotopes. The low-energy deformed configurations are attributed to the coupling between a proton in a K=1/2- level with neutrons in either the K=1/2- or the K=3/2+ levels originating from the πp3/2, νp1/2, and νg9/2 single-particle states, respectively.

    Original languageEnglish
    Article number061305
    JournalPhysical Review C - Nuclear Physics
    Volume84
    Issue number6
    DOIs
    StatePublished - Dec 27 2011

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