Production of 88Nb and 170Ta for chemical studies of element 105, Db, using the GARIS gas-jet system

M. Huang, H. Haba, M. Murakami, M. Asai, D. Kaji, J. Kanaya, Y. Kasamatsu, H. Kikunaga, Y. Kikutani, Y. Komori, H. Kudo, Y. Kudou, K. Morimoto, K. Morita, K. Nakamura, K. Ozeki, R. Sakai, A. Shinohara, T. Sumita, K. TanakaA. Toyoshima, K. Tsukada, Y. Wakabayashi, A. Yoneda

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Abstract

A technology to utilize radioisotopes of Nb and Ta was developed for chemical studies of element 105, Db, by coupling a gas-jet transport system to the RIKEN gas-filled recoil ion separator (GARIS). 88Nb and 170Ta were generated via the natGe(19F, xn)88Nb and natGd(19F, xn)170Ta reactions, respectively. They were separated by GARIS and extracted by the gas-jet method to a chemistry laboratory under the almost same experimental conditions for 262Db produced in the 248Cm(19F, 5n)262Db reaction. Yields of 88Nb and 170Ta at the chemistry laboratory were optimized by changing the setting parameters of the GARIS gas-jet system, such as magnetic field of GARIS, energy degrader and shutter for recoil ions, and volume of the recoil transfer chamber.

Original languageEnglish
Pages (from-to)845-849
Number of pages5
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume304
Issue number2
DOIs
Publication statusPublished - May 1 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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    Huang, M., Haba, H., Murakami, M., Asai, M., Kaji, D., Kanaya, J., Kasamatsu, Y., Kikunaga, H., Kikutani, Y., Komori, Y., Kudo, H., Kudou, Y., Morimoto, K., Morita, K., Nakamura, K., Ozeki, K., Sakai, R., Shinohara, A., Sumita, T., ... Yoneda, A. (2015). Production of 88Nb and 170Ta for chemical studies of element 105, Db, using the GARIS gas-jet system. Journal of Radioanalytical and Nuclear Chemistry, 304(2), 845-849. https://doi.org/10.1007/s10967-014-3877-4