Long-Lived Superheavy Nuclei and Giant Quasi-Atoms Produced in Damped Collisions of Transactinides

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著者

    • GREINER Walter
    • Frankfurt Institute for Advanced Studies, J.W. Goethe-Universitat
    • ZAGREBAEV Valery
    • Flerov Laboratory of Nuclear Reactions, Joint Institute for Niclear Research

抄録

Damped collisions of tranactinide nuclei (<SUP>238</SUP>U+<SUP>238</SUP>U, <SUP>232</SUP>Th+<SUP>250</SUP>Cf, and <SUP>238</SUP>U+<SUP>248</SUP>Cm) have been studied within the realistic model based on solution of multidimensional transport equations. Large charge and mass transfer was found in these reactions due to the inverse (anti-symmetrizing) quasi-fission process leading to formation of survived superheavy long-lived neutron-rich nuclei, suitable for subsequent chemical analysis. In many events lifetime of the composite system consisting of two touching nuclei (giant quasi-atoms) turns out to be rather long; sufficient for spontaneous positron formation from super-strong electric field, a fundamental QED process.

収録刊行物

  • Journal of Nuclear and Radiochemical Sciences  

    Journal of Nuclear and Radiochemical Sciences 7(1), R1-R5, 2006-06-01 

    The Japan Society of Nuclear and Radiochemical Sciences

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各種コード

  • NII論文ID(NAID)
    10021100961
  • NII書誌ID(NCID)
    AA11948402
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    13454749
  • データ提供元
    CJP書誌  J-STAGE 
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