Production and Decay Properties of 264Hs and 265Hs

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概要

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• The decay properties of 264Hs and 265Hs produced in the 207,208Pb(58Fe,xn) (x=1,2) reactions were studied using a gas-filled recoil ion separator at the linear accelerator facility of RIKEN. A total of six decay chains were assigned to 264Hs. The cross sections of 264Hs produced in the 208Pb(58Fe,2n) and 207Pb(58Fe,n) reactions were measured to be 2.8^{+6.5}_{-2.3} and 6.9^{+4.4}_{-3.1} pb, respectively. The isotope 264Hs decayed by \alpha-particle emission (five events) and spontaneous fission (one event). The \alpha-particle energy of 264Hs was observed at 10.61 \pm 0.04 and 10.80 \pm 0.08 MeV.

• 2011-09-15

著者

• HABA Hiromitsu

  Nishina Center for Accelerator Based Science

• KAJI Daiya

  Nishina Center for Accelerator Based Science

• KUDOU Yuki

  Nishina Center for Accelerator Based Science

• MORIMOTO Kouji

  Nishina Center for Accelerator Based Science

• MORITA Kosuke

  Nishina Center for Accelerator Based Science

• OZEKI Kazutaka

  Nishina Center for Accelerator Based Science

• SATO Nozomi

  Nishina Center for Accelerator Based Science

• YONEDA Akira

  Nishina Center for Accelerator Based Science

• SUMITA Takayuki

  Faculty of Science and Technology, Tokyo University of Science

• Ideguchi Eiji

  Center For Nuclear Study University Of Tokyo

• Koura Hiroyuki

  Advanced Science Research Center Japan Atomic Energy Agency

• Ichikawa Takatoshi

  Nishina Center For Accelerator-based Science Riken

• Ozawa Akira

  Department Of Applied Biological Chemistry College Of Agriculture Osaka Prefecture University

• Yamaguchi Takayuki

  Department Of Bioresources Chemistry Faculty Of Horticulture Chiba University Engineering Department

• Shinozuka Tsutomu

  Cyclotron And Radioisotope Center Tohoku University

• Yoshida Atsushi

  Nishina Center For Accelerator Based Science

• Kudou Yuki

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Haba Hiromitsu

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Ozeki Kazutaka

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Ideguchi Eiji

  Center for Nuclear Study, University of Tokyo, Wako, Saitama 351-0198, Japan

• Morimoto Kouji

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Sumita Takayuki

  Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan

• Morita Kosuke

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Ichikawa Takatoshi

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Koura Hiroyuki

  Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

• Ozawa Akira

  Department of Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan

• Kaji Daiya

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

• Yamaguchi Takayuki

  Department of Physics, Saitama University, Saitama 338-8570, Japan

• Yoshida Atsushi

  Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan

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