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beta-delayed fission and alpha decay of 196At

  • V.L. Truesdale
  • , A N Andreyev
  • , Lars Ghys
  • , Mark Huyse
  • , Piet Van Duppen
  • , Simon Sels
  • , Boris Andel
  • , Stanislav Antalic
  • , Anatoly Barzakh
  • , L. Capponi
  • , Thomas Elias Cocolios
  • , X. Derkx
  • , Hilde De Witte
  • , Jytte Elseviers
  • , D. V. Fedorov
  • , Valentin N Fedosseev
  • , F. P. Hessberger
  • , Z. Kalaninova
  • , Köster Ulli
  • , Joseph Lane
  • Valentina Liberati, Kara M Lynch, Bruce Marsh, S. Mitsuoka, Y. Nagame, K. Nishio, S. Ota, Dieter Pauwels, Lucia-Ana Popescu, Deyan Radulov, Elisa Rapisarda, Sebastian Rothe, K. Sandhu, Maxim Seliverstov, A.M. Sjödin, Celine Van Beveren, Paul Van den Bergh, Y. Wakabayashi

    Research outputpeer-review

    Abstract

    A nuclear-decay spectroscopy study of the neutron-deficient isotope 196At is reported where an isotopically pure beam was produced using the selective Resonance Ionization Laser Ion Source and On-Line Isotope Mass Separator (CERN). The fine-structure alpha decay of 196At allowed the low-energy excited states in the daughter nucleus 192Bi to be investigated. A beta-delayed fission study of 196At was also performed. A mixture of symmetric and asymmetric fission-fragment mass distributions of the daughter isotope 196Po (populated by beta decay of 196At) was deduced based on the measured fission-fragment energies. A bDF probability P_{bDF}(196At) = 9(1) x 10^{-5} was determined.
    Original languageEnglish
    Article number034308
    Pages (from-to)1-11
    Number of pages11
    JournalPhysical Review C
    Volume94
    DOIs
    StatePublished - 8 Sep 2016

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