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Long lifetime components in the decay of excited super-heavy nuclei

Abstract : For nuclear reactions in which super-heavy nuclei can be formed, the essential difference between the fusion process followed by fission and non-equilibrium processes leading to fissionlike fragments is the reaction time. Quite probable non-equilibrium processes, characterized by very short reaction times, are highlighted thanks to mass-angle correlations. However, long lifetime components associated with fission following fusion have been observed with two independent experimental techniques, providing evidence for the formation of compound nuclei with Z = 120 and 124, followed by mass asymmetric fission.
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Submitted on : Friday, June 28, 2013 - 11:09:07 AM
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M. Morjean, A. Chbihi, M. Dasgupta, A. Drouart, J.D. Frankland, et al.. Long lifetime components in the decay of excited super-heavy nuclei. 2nd Heavy Ion Accelerator Symposium for Fundamental and Applied Research (HIAS), Apr 2013, Canberra, Australia. pp.02011, ⟨10.1051/epjconf/20136302011⟩. ⟨in2p3-00812697⟩

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