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. Dullmann, J. M. Gates, K. E. Gregorich, C. J. Gross, R-D. Herzberg, F. P. Hessberger, J. Khuyagbaatar, J. V. Kratz, K. Rykaczewski, M. Schaedel, S. Aberg, D. Ackermann, M. BlockH. Brand, B. G. Carlsson, D. Cox, X. Derkx, K. Eberhardt, J. Even, C. Fahlander, J. Gerl, E. Jaeger, 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. Thoerle-Pospiech, T. Torres, T. Traut, N. Trautmann, A. Tuerler, A. Ward, D. E. Ward, N. Wiehl

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

Thirty correlated alpha-decay chains were observed in an experiment studying the fusion-evaporation reaction Ca-48 + Am-243 at the GSI Helmholtzzentrum fur 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 alpha-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
Publication statusPublished - Feb-2015
Externally publishedYes

Keywords

  • Superheavy elements
  • Nuclear spectroscopy
  • Nuclear structure
  • HEAVIEST NUCLEI
  • CA-48-INDUCED REACTIONS
  • SUPERHEAVY ELEMENTS
  • ENERGIES
  • SPECTRA
  • MASSES
  • TASCA
  • GSI

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