Half lives of Superheavy Nuclei in <SUP>294</SUP>118 and <SUP>291</SUP>116 α decay Chain within Generalized Liquid Drop Model

SU Xin-ning; ZHANG Hong-fei; #; ZUO Wei

doi:10.11804/NuclPhysRev.26.03.177

SU Xin-ning, ZHANG Hong-fei, #, ZUO Wei, . Half lives of Superheavy Nuclei in 294118 and 291116 α decay Chain within Generalized Liquid Drop Model[J]. Nuclear Physics Review, 2009, 26(3): 177-182. DOI: 10.11804/NuclPhysRev.26.03.177

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Half lives of Superheavy Nuclei in ²⁹⁴118 and ²⁹¹116 α decay Chain within Generalized Liquid Drop Model

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The αdecay potential barrier of the newly synthesized superheavy nuclei starting from 294118 and 291116 have been determined and their halflives have been studied with the Generalized Liquid Drop Model(GLDM) connected with WKB approximation and Royer’s formulae．The αdecay halflives of the nuclei belonging to the superheavy nuclei starting from 294118 and 291116 have been calculated．The calculated results are in agreement with the experimental data， which show that the α decay halflives of superheavy nuclei with the GLDM and Royer’s formulae can be applied in the studying on superheavy nuclei successfully．Finally， the halflives of Z=118 and 116 isotopes have been predicted， and the results suggest there may be some longlived superheavy nuclei for αdecay in those isotopes.

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Half lives of Superheavy Nuclei in 294118 and 291116 α decay Chain within Generalized Liquid Drop Model

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Half lives of Superheavy Nuclei in ²⁹⁴118 and ²⁹¹116 α decay Chain within Generalized Liquid Drop Model