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The new isotope 270110 and its decay products 266Hs and 262Sg

  • S. Hofmann
  • F.P. Heßberger
  • D. Ackermann
  • S. Antalic
  • P. Cagarda
  • S. Ćwiok
  • B. Kindler
  • J. Kojouharova
  • B. Lommel
  • R. Mann
  • G. Münzenberg
  • A.G. Popeko
  • S. Saro
  • H.J. Schött
  • A.V. Yeremin
Short note

Abstract:

The even-even nucleus 270110 was synthesized using the reaction 64Ni + 207Pb. A total of eight α-decay chains was measured during an irradiation time of seven days. Decay data were obtained for the ground-state and a high-spin K isomer. The new nuclei 266Hs and 262Sg were identified as daughter products after α-decay. Spontaneous fission of 262Sg terminates the decay chain. The measured data are in agreement with calculations using the macroscopic-microscopic model and with self-consistent HFB calculations with Skyrme-Sly4 interaction.

PACS. 21.10.Dr Binding energies and masses – 23.60.+e Alpha decay – 25.70.-z Low and intermediate energy heavy-ion collisions – 25.85.Ca Spontaneous fission – 27.90.+b 220 ?A 
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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2001

Authors and Affiliations

  • S. Hofmann
    • 1
  • F.P. Heßberger
    • 1
  • D. Ackermann
    • 1
  • S. Antalic
    • 2
  • P. Cagarda
    • 2
  • S. Ćwiok
    • 3
  • B. Kindler
    • 1
  • J. Kojouharova
    • 1
  • B. Lommel
    • 1
  • R. Mann
    • 1
  • G. Münzenberg
    • 1
  • A.G. Popeko
    • 4
  • S. Saro
    • 2
  • H.J. Schött
    • 1
  • A.V. Yeremin
    • 4
  1. 1.Gesellschaft für Schwerionenforschung mbH, D-64220 Darmstadt, GermanyDE
  2. 2.Department of Nuclear Physics, Comenius University, SK-84248 Bratislava, SlovakiaSK
  3. 3.Faculty of Physics, Warsaw University of Technology, PL-00662 Warsaw, PolandPL
  4. 4.Flerov Laboratory of Nuclear Reactions, JINR, 141 980 Dubna, RussiaRU

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