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Fission in the landscape of heaviest elements: Some recent examples

Abstract : The fission process still remains a main factor that determines the stability of the atomic nucleus of heaviest elements. Fission half-lives vary over a wide range, 10−19−1024 s. Present experimental techniques for the synthesis of the superheavy elements that usually measure -decay chains are sensitive only in a limited range of half-lives, often 10−5−103 s. In the past years, measurement techniques for very short-lived and very longlived nuclei were significantly improved at the gas-filled recoil separator TASCA at GSI Darmstadt. Recently, several experimental studies of fissionrelated phenomena have successfully been performed. In this paper, results on 254−256Rf and 266Lr are presented and corresponding factors for retarding the fission process are discussed.
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Submitted on : Thursday, December 1, 2016 - 2:57:10 PM
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J. Khuyagbaatar, A. Yakushev, Ch.E. Düllmann, D. Ackermann, L.-L. Andersson, et al.. Fission in the landscape of heaviest elements: Some recent examples. Nobel Symposium NS160 – Chemistry and Physics of Heavy and Superheavy Elements, May 2016, Lund, Sweden. pp.03003, ⟨10.1051/epjconf/201613103003⟩. ⟨in2p3-01406730⟩



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