Mass Resolution for Iron Isotopes in CR-39 Track Detector

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概要

• 論文の詳細を見る

• We have verified the capability of a CR-39 track detector for isotope identification using iron beam from the heavy-ion accelerator of HIMAC at NIRS. The same CR-39 stack was independently exposed to 56Fe and 55Fe ions with an energy of 460 MeV/nucleon. Mass resolutions for 56Fe and 55Fe ions were determined to be $0.28\pm 0.12$ amu and $0.28\pm 0.11$ amu in rms, respectively. A detailed analysis of the sources of the mass dispersion in the present mass identification experiment showed that significant errors were caused in the measurements of the surface position and the thickness of CR-39 sheets. By eliminating these errors as much as possible, the mass resolution is expected to be improved to ${\sim}0.20$ amu.

• 2004-09-15

著者

• KITAMURA Hisashi

  National Institute of Radiological Sciences

• KODAIRA Satoshi

  Advanced Research Institute for Science and Engineering, Waseda University

• DOKE Tadayoshi

  Kikui-cho Branch, Advanced Research Institute for Science and Engineering, Waseda University

• KITAGAWA Atsushi

  National Institute of Radiological Sciences

• SATO Shinji

  National Institute of Radiological Sciences

• YASUDA Nakahiro

  National Institute of Radiological Sciences

• TAWARA Hiroko

  High Energy Accelerator Research Organization

• Hasebe Nobuyuki

  Advanced Institute For Science And Engineering Waseda University

• Ogura Koichi

  College Of Industrial Technology Nihon University

• Uchihori Yukio

  National Inst. Radiological Sci. Chiba

• Kodaira Satoshi

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

• Sato Shinji

  National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan

• Uchihori Yukio

  National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan

• Doke Tadayoshi

  Kikui-Branch, Advanced Research Institute for Science and Engineering, Waseda University, 17 Kikuicho, Shinjuku-ku, Tokyo 162-0044, Japan

• Kitamura Hisashi

  National Institute for Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan

• Kitamura Hisashi

  National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan

• Ogura Koichi

  College of Industrial Technology, Nihon University, 2-11-1 Shin-ei, Narashino, Chiba 275-8576, Japan

• Tawara Hiroko

  High Energy Accelerator Research Organization, 1-1 Tsukuba, Ibaraki 305-0801, Japan

• Yasuda Nakahiro

  National Institute of Radiological Science, Chiba 263-8555, Japan

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