Recent studies of unstable nuclei far from stability with the on-line isotope separators of JAERI |
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Authors: | T Sekine S Ichikawa A Osa M Koizumi H Iimura K Tsukada I Nishinaka Y Hatsukawa Y Nagame M Asai Y Kojima T Hirose M Shibata H Yamamoto K Kawade |
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Institution: | (1) Department of Chemistry and Fuel Research, Japan Atomic Energy Research Institute (JAERI), Takasaki, 370-12 Gunma, Japan;(2) Department of Chemistry and Fuel Research, JAERI, Tokai, 319-11 Ibaraki, Japan;(3) Department of Energy Engineering Science, Nagoya University, Furo-cho, Chikusa-ku, 464-01 Nagoya, Japan |
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Abstract: | Studies on the decay of unstable nuclei using the two on-line isotope separators of JAERI are reviewed for the past five years. With the previously established ion-source technique using mono-oxide ion formation in a thermal ion source, the new nuclides125Pr and127Pr have been identified in heavy-ion fusion residues. Further, with a newly developed gas-jet coupled thermal ion source, the new nuclides166Tb,165Gd,161Sm and236Am have been identified by bombarding238U and235U targets with a proton or6Li beam. Other studies, including off-line experiments, by decay spectroscopy, laser spectroscopy and Mössbauer spectroscopy are described. |
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