Experiments on synthesis of the heaviest element at RIKEN

K. Morita, K. Morimoto, D. Kaji, T. Akiyama, S. Goto, H. Haba, E. Ideguchi, R. Kanumgo, K. Katori, H. Kikunaga, H. Koura, H. Kudo, T. Ohnishi, A. Ozawa, N. Sato, T. Suda, K. Sueki, F. Tokanai, H. Xu, T. YamaguchiA. Yoneda, A. Yoshida, Y. L. Zhao

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

At the Institute of Physical and Chemical Research (RIKEN) a series of experiments studying the productions and their decays of the heaviest elements have been performed by using a gas-filled recoil ion separator GARIS. Results on the isotope of the 112th element, 277112, and on that of the 113th element, 278113, are reviewed. Tow decay chains which are assigned to be ones originating from the isotope 277112 were observed in the 208Pb(70Zn, n) reaction. Both chains consisted of four consecutive alpha decays followed by a spontaneous fission. The results provide a confirmation of the production and decay of the isotope 277112 reported by a research group at Gesellschaft für Schwerionenforschung (GSI), Germany, produced via the same reaction by using a velocity filter. Tow decay chains, both consisted of four consecutive alpha decays followed by a spontaneous fission, were observed also in the reaction 209Bi( 70Zn, n). Those are assigned to be the convincing candidate events of the decays of the isotope of the 113th element, 278113, and its daughter nuclei, 274Rg, 270Mt, 266Bh, and 262Db.

本文言語英語
ホスト出版物のタイトルTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI
ページ3-9
ページ数7
DOI
出版ステータス出版済み - 2007
外部発表はい
イベントTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI - Tours, フランス
継続期間: 9月 5 20069月 8 2006

出版物シリーズ

名前AIP Conference Proceedings
891
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

その他

その他TOURS SYMPOSIUM ON NUCLEAR PHYSICS VI
国/地域フランス
CityTours
Period9/5/069/8/06

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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