Regular Article - Experimental Physics

The European Physical Journal A

, Volume 45, Issue 3, pp 275-286

Alpha-gamma decay studies of 261Sg and 257Rf

  • B. StreicherAffiliated withDepartment of Nuclear Physics and Biophysics, Comenius UniversityInstitut für Kernchemie, Johannes Gutenberg-Universität
  • , F. P. HeßbergerAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
  • , S. AntalicAffiliated withDepartment of Nuclear Physics and Biophysics, Comenius University
  • , S. HofmannAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbHInstitut für Kernphysik, Goethe-Universität
  • , D. AckermannAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
  • , S. HeinzAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
  • , B. KindlerAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
  • , J. KhuyagbaatarAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
  • , I. KojouharovAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
    • , P. KuusiniemiAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbHCUPP, University of Oulu
    • , M. LeinoAffiliated withUniversity of Jyväskylä
    • , B. LommelAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
    • , R. MannAffiliated withGSI Helmholtzzentrum für Schwerionenforschung GmbH
    • , Š. ŠároAffiliated withDepartment of Nuclear Physics and Biophysics, Comenius University
    • , B. SulignanoAffiliated withInstitut für Kernchemie, Johannes Gutenberg-UniversitätGSI Helmholtzzentrum für Schwerionenforschung GmbH
    • , J. UusitaloAffiliated withUniversity of Jyväskylä
    • , M. VenhartAffiliated withDepartment of Nuclear Physics and Biophysics, Comenius University

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Abstract.

The isotope 261Sg and its decay product 257Rf were produced in the nuclear reaction 208Pb(54Cr, n)261Sg . The radioactive decay of these isotopes was investigated by means of \( \alpha\) , \( \alpha\) -\( \gamma\) and/or \( \alpha\) -X-ray spectroscopy. Improved spectroscopic data concerning \( \alpha\) energies, \( \gamma\) transitions, tentative spin and parity assignments of low-lying Nilsson single-neutron orbitals are presented for these nuclei.