Stability and synthesis of superheavy elements: Fighting the battle against fission – example of $^{254}$No

Abstract : Superheavy nuclei exist solely due to quantum shell effects, which create a pocket in the potential-energy surface of the nucleus, thus providing a barrier against spontaneous fission. Determining the height of the fission barrier and its angular-momentum dependence is important to quantify the role that microscopic shell corrections play in enhancing and extending the limits of nuclear stability. In this talk, the first measurement of a fission barrier in the very heavy nucleus 254No will be presented.
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A. Lopez-Martens, G. Henning, T.L. Khoo, D. Seweryniak, M. Alcorta, et al.. Stability and synthesis of superheavy elements: Fighting the battle against fission – example of $^{254}$No. Nobel Symposium NS160 – Chemistry and Physics of Heavy and Superheavy Elements, May 2016, Lund, Sweden. pp.03001, ⟨10.1051/epjconf/201613103001⟩. ⟨in2p3-01406665⟩

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