Experiment on Synthesis of an Isotope ^<277>112 by ^<208>Pb+^<70>Zn Reaction(Nuclear physics)

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概要

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• The production and decay of ^<277>112 have been investigated using a gas-filled recoil ion separator in irradiations of ^<208>Pb targets with a ^<70>Zn beam at 349.5 MeV. We have observed two α-decay chains that can be assigned to subsequent decays from ^<277>112 produced in the ^<208>Pb(^<70>Zn,n) reaction. After emitting four consecutive α-particles, both the chains terminate by spontaneous fission decays of ^<261>Rf, and the decay energies and decay times of both the chains obtained in the present work agree well with those reported by a group at Gesellschaft fur Schwerionenforschung (GSI), Germany. The present result gives the first clear confirmation of the discovery of ^<277>112 and its α-decay product ^<273>Ds reported previously.

• 社団法人日本物理学会の論文
• 2007-04-15

著者

• 竹内 幸子

  Japan College Of Social Work

• Haba Hiromitsu

  Nishina Center For Accelerator Based Science Riken

• Haba Hiromitsu

  Riken The Institute Of Physical And Chemical Research

• MORIMOTO Kouji

  Nishina Center for Accelerator Based Science

• YONEDA Akira

  Nishina Center for Accelerator Based Science

• GOTO Sin-ichi

  Center for Instrumental Analysis, Niigata University

• IDEGUCHI Eiji

  Center for Nuclear Study, University of Tokyo

• KOURA Hiroyuki

  Japan Atomic Energy Agency

• KUDO Hisaaki

  Department of Chemistry, Niigata University

• OZAWA Akira

  University of Tsukuba

• TOKANAI Fuyuki

  Department of Physics, Yamagata University

• YAMAGUCHI Takayuki

  Department of Physics, Saitama University

• KAJI Daiya

  RIKEN Nishina Center, RIKEN

• MORIMOTO Kouji

  RIKEN Nishina Center, RIKEN

• YONEDA Akira

  RIKEN Nishina Center, RIKEN

• YOSHIDA Atsushi

  RIKEN Nishina Center, RIKEN

• MORITA Kosuke

  RIKEN Nishina Center, RIKEN

• Ideguchi Eiji

  Center For Nuclear Study University Of Tokyo

• Goto Sin-ichi

  Faculty Of Science Niigata University

• Kudo Hisaaki

  Department Of Chemistry Niigata University

• Tokanai Fuyuki

  Department Of Physics Yamagata University

• Yamaguchi Takayuki

  Department Of Physics Saitama University

• Morimoto K

  Nishina Center For Accelerator Based Science

• OHNISHI Tetsuya

  RIKEN Nishina Center, RIKEN

• Suga T

  Nishina Center For Accelerator-based Science Riken

• Ohnishi Tetsuya

  Riken Nishina Center Riken

• Ando Y

  Nishina Center For Accelerator-based Science Riken

• AKIYAMA Takahiro

  Department of Urology, Kinki University School of Medicine

• KATORI Kenji

  RIKEN (The Institute of Physical and Chemical Research)

• SUDA Toshimi

  RIKEN (The Institute of Physical and Chemical Research)

• SUEKI Keisuke

  University of Tsukuba

• Yoneda Akira

  Riken (the Institute Of Physical And Chemical Research)

• Kudo Hisaaki

  Department Of Chemistry Faculty Of Science Niigata University

• Kusakari Hideshige

  Nishina Center For Accelerator Based Science Riken

• Goto Shin-ichi

  Department Of Chemistry Niigata University

• Yamaguchi Tomohiko

  Department Of Chemical Systems National Institute Of Materials And Chemical Research (nimc)

• Haba Hiromitsu

  Graduate School Of Engineering Nagoya University

• Yamaguchi Takayuki

  Department Of Bioresources Chemistry Faculty Of Horticulture Chiba University Engineering Department

• Hayashi Hironobu

  Nishina Center For Accelerator Based Science Riken

• Tsuyoshi Yamaguchi

  Faculty Of Engineering Shizuoka University

• Morita K

  Riken Nishina Center Riken

• Goto S

  Faculty Of Science Niigata University

• Katori Kenji

  Nishina Center For Accelerator-based Science Riken

• Yamaguchi Takahide

  Department Of Physics Graduate School Of Science The University Of Tokyo

• Hayashi Hironobu

  Graduate School Of Engineering Nagoya University

• Kikunaga Hidetoshi

  Nishina Center For Accelerator Based Science Riken

• Akiyama Takahiro

  Department Of Physics Saitama University:riken (the Institute Of Physical And Chemical Research)

• Akiyama Takahiro

  Department Of Computer Science And Electronics Kyushu Institute Of Technology

• Yoshida Atsushi

  Riken

• Ohnishi Tetsuya

  Riken (the Institute Of Physical And Chemical Research)

• HABA Hiromitsu

  RIKEN (The Institute of Physical and Chemical Research)

• AKIYAMA Takahiro

  Department of Physics, Saitama University:RIKEN (The Institute of Physical and Chemical Research)

• MORIMOTO Kouji

  RIKEN (The Institute of Physical and Chemical Research)

• MORITA Kosuke

  RIKEN (The Institute of Physical and Chemical Research)

• KAJI Daiya

  RIKEN (The Institute of Physical and Chemical Research)

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