Selected spectroscopic results on element 115 decay chains

D. Rudolph, U. Forsberg, P. Golubev, L. G. Sarmiento, A. Yakushev, L. L. Andersson, A. Di Nitto, Ch E. Düllmann, J. M. Gates, K. E. Gregorich, C. J. Gross, R. D. Herzberg, F. P. Heßberger, J. Khuyagbaatar, J. V. Kratz, K. Rykaczewski, M. Schädel, S. Åberg, D. Ackermann, M. BlockH. Brand, B. G. Carlsson, D. Cox, X. Derkx, K. Eberhardt, J. Even, C. Fahlander, J. Gerl, E. Jäger, B. Kindler, J. Krier, I. Kojouharov, N. Kurz, B. Lommel, A. Mistry, C. Mokry, H. Nitsche, J. P. Omtvedt, P. Papadakis, I. Ragnarsson, J. Runke, H. Schaffner, B. Schausten, P. Thörle-Pospiech, T. Torres, T. Traut, N. Trautmann, A. Türler, A. Ward, D. E. Ward, N. Wiehl

    Research output: Contribution to journalArticlepeer-review

    8 Scopus citations

    Abstract

    Thirty correlated α-decay chains were observed in an experiment studying the fusion-evaporation reaction 48Ca + 243Am at the GSI Helmholtzzentrum für Schwerionenforschung. The decay characteristics of the majority of these 30 chains are consistent with previous observations and interpretations of such chains to originate from isotopes of element Z = 115. High-resolution α-photon coincidence spectroscopy in conjunction with comprehensive Monte-Carlo simulations allow to propose excitation schemes of atomic nuclei of the heaviest elements, thereby probing nuclear structure models near the ‘Island of Stability’ with unprecedented experimental precision.

    Original languageEnglish
    Pages (from-to)1185-1190
    Number of pages6
    JournalJournal of Radioanalytical and Nuclear Chemistry
    Volume303
    Issue number2
    DOIs
    StatePublished - Feb 2015

    Keywords

    • Nuclear spectroscopy
    • Nuclear structure
    • Superheavy elements

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