beta-delayed fission of 180 Tl

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Authors

  • Jytte Elseviers
  • A.N. Andreyev
  • M. Huyse
  • P. Van Duppen
  • S. Antalic
  • A. Barzakh
  • N. Bree
  • T.E. Cocolios
  • V.F. Comas
  • J. Diriken
  • D. Fedorov
  • V.N. Fedosseev
  • S. Franchoo
  • J.A. Heredia
  • O. Ivanov
  • U. Köster
  • B.A. Marsh
  • K. Nishio
  • R.D. Page
  • N. Patronis
  • M.D. Seliverstov
  • I. Tsekhannovich
  • P. Van den Bergh
  • J. Van de Walle
  • M. Venhart
  • S. Vermote
  • M. Veselsky
  • C. Wagemans

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Abstract

The detailed analysis of the β-delayed fission data of 180 Tl is presented. The experiment was performed by producing a pure beam of 180 Tl by means of highly selective resonance laser ionization followed by mass separation with the ISOLDE (CERN, Geneva) isotope separator. A surprising asymmetric mass distribution of fission fragments from 180 Hg, the daughter of 180 Tl β decays, was observed. Here, the energy calibration of the silicon detectors, which is crucial for a proper determination of the fission fragments’ energy and mass split, is presented and the total kinetic energy and its dependence on the mass split ratio is discussed. A more precise β-delayed fission probability PβDF (180 Tl) = 3.2(2) × 10−3 % was deduced

Details

Original languageEnglish
Pages (from-to)044321-044321
JournalPhysical Review C
Volume88
DOIs
Publication statusPublished - 21 Oct 2013

Keywords

  • beta-delayed, fission, 180Tl, ISOLDE, CERN

ID: 208202