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alpha decay half-lives of new superheavy nuclei within a generalized liquid drop model

Abstract : The alpha decay half-lives of the recently produced isotopes of the 112, 114, 116 and 118 nuclei and decay products have been calculated in the quasi-molecular shape path using the experimental Qalpha value and a Generalized Liquid Drop Model including the proximity effects between nucleons in the neck or the gap between the nascent fragments. Reasonable estimates are obtained for the observed alpha decay half-lives. The results are compared with calculations using the Density-Dependent M3Y effective interaction and the Viola-Seaborg-Sobiczewski formulae. Generalized Liquid Drop Model predictions are provided for the alpha decay half-lives of other superheavy nuclei using the Finite Range Droplet Model Qalpha and compared with the values derived from the VSS formulae.
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Submitted on : Wednesday, July 26, 2006 - 9:58:19 AM
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Hongfei Zhang, Wei Zuo, Junqing Li, G. Royer. alpha decay half-lives of new superheavy nuclei within a generalized liquid drop model. Physical Review C, American Physical Society, 2006, 74, pp.017304. ⟨10.1103/PhysRevC.74.017304⟩. ⟨in2p3-00087636⟩

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