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Springer Verlag, Journal of Radioanalytical and Nuclear Chemistry, 2(303), p. 1185-1190

DOI: 10.1007/s10967-014-3445-y

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Selected spectroscopic results on element 115 decay chains

Journal article published in 2014 by D. Rudolph, U. Forsberg, P. Golubev, L. G. Sarmiento, A. Yakushev, L.-L. Andersson, A. Di Nitto, C.-H. E. Düllmann ORCID, C. J. Gross, R.-D. Herzberg, J. M. Gates, F. P. Heßberger, K. E. Gregorich, J. Khuyagbaatar, J. V. Kratz and other authors.
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This paper is available in a repository.

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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.