Attempt to produce the isotopes of element 108 in the fusion reaction Xe136+Xe136

Yu. Ts. Oganessian, S. N. Dmitriev, A. V. Yeremin, N. V. Aksenov, G. A. Bozhikov, V. I. Chepigin, M. L. Chelnokov, V. Ya. Lebedev, O. N. Malyshev, O. V. Petrushkin, S. V. Shishkin, A. I. Svirikhin, E. E. Tereshatov, and G. K. Vostokin
Phys. Rev. C 79, 024608 – Published 13 February 2009

Abstract

A setup of the experiment on the production of the isotopes with Z=108 in the fusion reaction Xe136+Xe136 and the obtained results are presented. At the excitation energy 0Ex30 MeV of the Hs272* compound nucleus the upper limit of the cross section for evaporation residues σ(13)n4 pb has been measured. The experimental results together with the data from asymmetric reactions point to a strong limitation of the Hs compound nucleus formation with increasing Coulomb forces in the entrance channel of the reaction.

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  • Received 28 November 2008

DOI:https://doi.org/10.1103/PhysRevC.79.024608

©2009 American Physical Society

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Vol. 79, Iss. 2 — February 2009

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