Spectroscopy of Element 115 Decay Chains

D. Rudolph*, U. Forsberg, P. Golubev, L. G. Sarmiento, A. Yakushev, L. -L. Andersson, A. Di Nitto, Ch E. Duellmann, J. M. Gates, K. E. Gregorich, C. J. Gross, F. P. Hessberger, R. -D. Herzberg, 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 voor dit werk

OnderzoeksoutputAcademicpeer review

132 Citaten (Scopus)

Samenvatting

A high-resolution alpha, x-ray, and gamma-ray coincidence spectroscopy experiment was conducted at the GSI Helmholtzzentrum fur Schwerionenforschung. Thirty correlated alpha-decay chains were detected following the fusion-evaporation reaction Ca-48(+) Am-243. The observations are consistent with previous assignments of similar decay chains to originate from element Z = 115. For the first time, precise spectroscopy allows the derivation of excitation schemes of isotopes along the decay chains starting with elements Z > 112. Comprehensive Monte Carlo simulations accompany the data analysis. Nuclear structure models provide a first level interpretation.

Originele taal-2English
Artikelnummer112502
Aantal pagina's5
TijdschriftPhysical Review Letters
Volume111
Nummer van het tijdschrift11
DOI's
StatusPublished - 10-sep.-2013
Extern gepubliceerdJa

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