Nuclear Theory for The Synthesis of Superheavy Elements—From The View Point of Fluctuation-dissipation Theory—

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  • Wada Takahiro
    Department of Pure and Applied Physics, Faculty of Engineering Science, Kansai University

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Other Title
  • 超重元素合成の理論—揺動散逸理論の観点から—
  • 超重元素合成の理論 : 揺動散逸理論の観点から
  • チョウジュウ ゲンソ ゴウセイ ノ リロン : ヨウドウ サンイツ リロン ノ カンテン カラ

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Abstract

<p>The element with Z=113 has been named as Nihonium and the names of the new elements up to Z=118 have been determined. Synthesis of these superheavy elements is a fusion–fission process under a very strong Coulomb repulsion. It revealed many new aspects of nuclear reactions such as quasi-fission which were not carefully studied so far. In this manuscript, we describe the processes of the synthesis of supreheavy elements from the view point of fluctuation-dissipation theory. We apply Langevin equation to calculate the competition between the formation of superheavy compound nuclei and the decay through the quasi-fission reaction. We also discuss the importance of the shell-correction energy in the survival process.</p>

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 67 (6), 255-265, 2018-06-15

    Japan Radioisotope Association

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