An Allene-Doped Liquid Argon Ionization Chamber for O and Ne Ions at 100 MeV/n

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概要

• 論文の詳細を見る

• An allene-doped liquid argon ionization chamber with a sensitivevolume of 48 mm×48 mm×40 mm has beenconstructed and investigated for precise measurement of the heavy ionenergies at around 100 MeV/n. An energy resolution of 1% (fullwidth at half maximum [FWHM]) was achieved for the 99 MeV/n 16Oand 125 MeV/n 20Ne ion beams. However, the energy resolutionwas found to deteriorate as the beam intensity increased. Tounderstand this phenomenon, a simple model is proposed, in which aspace-charge electric field due to the positive ions left along thetrack of an incident ion is taken into consideration. The estimatedelectric field is strong enough to worsen the energy resolution whenthe incident beam intensity is only 100 particles/s.

• INSTITUTE OF PURE AND APPLIED PHYSICSの論文
• 1999-11-15

著者

• Tanaka Motoyuki

  Advanced Research Institute For Science And Engineering Waseda University

• Kashiwagi Toshisuke

  Faculty of Engineering, Kanagawa University

• YUNOKI Akira

  Advanced Research Institute for Science and Engineering, Waseda University

• KATO Toshiyuki

  Advanced Research Institute for Science and Engineering, Waseda University

• NIIMURA Masanobu

  The Institute of Physical and Chemical Research (RIKEN)

• TANIHATA Isao

  The Institute of Physical and Chemical Research (RIKEN)

• Kase Masayuki

  The Institute Of Physical And Chemical Research (riken)

• Ozaki Kiminori

  Advanced Research Institute For Science And Engineering Waseda University

• Kikuchi Jun

  Advanced Research Institute For Science And Engineering Waseda University

• Doke Tadayoshi

  Advanced Research Institute For Science And Engineering Of Waseda University

• Masuda Kimiaki

  Solar-terrestrial Environment Laboratory Nagoya University

• Shibamura Eido

  Saita Prefectural University, 820 Sannomiya, Koshigaya, Saitama 343-8250, Japan

• Kato Toshiyuki

  Advanced Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan

• Shibamura Eido

  Saitama College of Health, 519 Kamiokubo, Urawa, Saitama 338-0824, Japan

• Doke Tadayoshi

  Advanced Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan

• Kashiwagi Toshisuke

  Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Yokohama, Kanagawa 221-8686, Japan

• Masuda Kimiaki

  Solar-Terrestrial Environment Laboratory, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan

• Ozaki Kiminori

  Advanced Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan

• Kikuchi Jun

  Advanced Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan

• Tanihata Isao

  The Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

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