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Search for long-lived superheavy elements in the reaction of136Xe with238U |
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| Authors: | H. Gäggeler W. Brüchle H. Ahrens H. Folger G. Franz J. V. Kratz M. Schädel I. Warnecke G. Wirth N. Trautmann G. Herrmann N. Kaffrell P. Peuser G. Tittel M. Weber M. Zendel |
| Affiliation: | 1. Gesellschaft für Schwerionenforschung, D-6100, Darmstadt, Germany 2. Institut für Kernchemie, Universit?t Mainz, D-6500, Mainz, Germany 3. GSI Darmstadt, Germany |
| Abstract: | A search with radiochemical methods for long-lived superheavy elements in 238U targets bombarded with intense beams of136Xe ions produced negative results. A formation cross section of ≤1×10?35 cm2 is deduced at 95% confidence level for nuclides with half-lives between 1 and 200 d. |
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