First observation of excited states in Hg-175(95)

D. O'Donnell, J. Simpson, C. Scholey, T. Back, P. T. Greenlees, U. Jakobsson, P. Jones, D. T. Joss, D. S. Judson, R. Julin, S. Juutinen, S. Ketelhut, M. Labiche, M. Leino, M. Nyman, R. D. Page, P. Peura, P. Rahkila, P. Ruotsalainen, M. SandzeliusP. J. Sapple, J. Saren, J. Thomson, J. Uusitalo, H. V. Watkins

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14 Citations (Scopus)

Abstract

Excited states of the neutron-deficient nucleus Hg-175, populated using fusion-evaporation reactions, are reported for the first time. The spin and parity of the ground state has been determined to be I-pi=7/2(-) through measurements of the alpha decay to the daughter nucleus Pt-171. A structure based on an isomeric state [T-1/2=0.34(3) mu s] with I-pi=13/2(+) and its decay path to the ground state have been established. The observed structures are interpreted in terms of single-particle configurations, and the trends of coexisting shapes in neighboring nuclei are discussed.
Original languageEnglish
Article number051304
JournalPhysical Review C
Volume79
Issue number5
DOIs
Publication statusPublished - 26 May 2009
Externally publishedYes

Keywords

  • Total data readout
  • Shape coexistence
  • Alpha decay
  • Isotopes
  • Nuclei
  • HG-180
  • HG

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