Heavy element nuclear chemistry at JAERI

Y. Nagame, M. Asai, H. Haba, K. Tsukada, I. Nishinaka, S. Goto, A. Toyoshima, K. Akiyama, M. Sakama, Y. L. Zhao, S. Ichikawa, H. Nakahara

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12 Scopus citations


The present status of heavy element nuclear chemistry research at JAERI (Japan Atomic Energy Research Institute) is reviewed. Production of the transactinide nuclei 261Rf and 262Db via the reactions of 248Cm(18O,5n) and 248Cm(19F, 5n), respectively, at the JAERI tandem accelerator is reported. Study of the aqueous chemistry of Rf is being carried out with a newly developed rapid ion-exchange separation apparatus. Anion-exchange behavior of Rf in acidic solution is briefly discussed. Recent experimental results on decay studies of neutron-deficient actinide nuclei using the gas-jet coupled JAERI-ISOL are given. We also discuss characteristics of nuclear deformation properties at scission in symmetric and asymmetric fission of actinides. Prospects for studies in the near future are briefly considered.

Original languageEnglish (US)
Pages (from-to)1131-1136
Number of pages6
JournalPhysics of Atomic Nuclei
Issue number6
StatePublished - Jun 2003

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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