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Zeitschrift für Physik A Atoms and Nuclei

, Volume 286, Issue 4, pp 419–420 | Cite as

Search for long-lived superheavy elements in the reaction of136Xe with238U

  • 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
Short Note

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.

Keywords

Elementary Particle Confidence Level Superheavy Element Radiochemical Method Formation Cross Section 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    G. N. Flerov and Yu. Ts. Oganessian, in Proc. Sympos. on the Chemistry of Transuranium Elements, Moscow, Sept. 1972, J. Inorg. Nucl. Chem. Suppl. 1976, p. 131.Google Scholar
  2. 2.
    G. N. Flerov, in Proc. Int. Conf. on Reactions between Complex Nuclei, Nashville, June 1974, North-Holland Amsterdam 1974, p. 459.Google Scholar
  3. 3.
    G. N. Flerov, in Proc. Int. Conf. on Selected Topics in Nuclear Structure, Dubna, June 1976, Vol. 2, p. 3; engl. transl. JINR-E7-10128 (1976).Google Scholar
  4. 4.
    W. Brüchle et al., GSI Annual Report 1977, and to be published.Google Scholar
  5. 5.
    M. Schädel et al., GSI Annual Report 1977, and to be published.Google Scholar

Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • H. Gäggeler
    • 1
  • W. Brüchle
    • 1
  • H. Ahrens
    • 1
  • H. Folger
    • 1
  • G. Franz
    • 1
  • J. V. Kratz
    • 1
  • M. Schädel
    • 1
  • I. Warnecke
    • 1
  • G. Wirth
    • 1
  • N. Trautmann
    • 2
  • G. Herrmann
    • 2
    • 3
  • N. Kaffrell
    • 2
  • P. Peuser
    • 2
  • G. Tittel
    • 2
  • M. Weber
    • 2
  • M. Zendel
    • 2
  1. 1.Gesellschaft für SchwerionenforschungDarmstadtGermany
  2. 2.Institut für KernchemieUniversität MainzMainzGermany
  3. 3.GSI DarmstadtGermany

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