Spectroscopic Tools Applied to Flerovium Decay Chains

D. M. Cox, A. Såmark-Roth, D. Rudolph, L.G. Sarmiento, C. Fahlander, U. Forsberg, P. Golubev, J.A.M. Heery, A. Yakushev, H. M. Albers, M. Block, H. Brand, R.M. Clark, Ch.E. Düllmann, J. Eberth, J.M. Gates, F. Giacoppo, M. Götz, S. Götz, R.-D. HerzbergE. Jäger, B. Kindler, J. Khuyagbaatar, I. Kojouharov, J.V. Kratz, J. Krier, N. Kurz, L. Lens, B. Lommel, A. Mistry, C.-C. Meyer, C. Mokry, P. Papadakis, J.L. Pore, J. Runke, P. Thörle-Pospiech, N. Trautmann, H Schaffner, B. Schausten, J. Uusitalo

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    Abstract

    An upgraded TASISpec setup, with the addition of a veto DSSD and the new Compex detector-germanium array, has been employed with the gas-filled recoil separator TASCA at the GSI Helmholtzzentrum für Schwerionenforschung Darmstadt, to study flerovium (element 114) decay chains. The detector upgrades along with development of new analytical techniques have improved the sensitivity of the TASISpec setup for measuring α-photon coincidences. These improvements have been assessed with test reactions. The reaction 48Ca+206,207Pb was used for verification of experimental parameters such as transmission to implantation DSSD and target-segment to α-decay correlations. The reaction 48Ca+ natHf was used to produce several short-lived nuclei with multiple-α decay chains to investigate pile-up event deconvolution.
    Original languageEnglish
    Article number012125
    Number of pages9
    JournalJournal of Physics: Conference Series
    Volume1643
    DOIs
    Publication statusPublished - 2020 Dec
    EventInternational Nuclear Physics Conference - Scottish Event Campus, Glasgow, United Kingdom
    Duration: 2019 Jul 292019 Aug 2
    Conference number: 27th
    http://inpc2019.iopconfs.org/home

    Subject classification (UKÄ)

    • Subatomic Physics

    Free keywords

    • nuclear spectroscopy
    • superheavy elements
    • alpha decay

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