Applicability of Polyimide Films as Etched-Track Detectors for Ultra-Heavy Cosmic Ray Components

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概要

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• The track registration property in polyimide Kapton has been examined for heavy ions, including 2.3 GeV Fe and 24 GeV Xe ions. Conventional track formation criteria fail to predict the thresholds of etch pit formation, while a chemical criterion stating that etchable tracks are formed when two adjacent diphenyl ethers are broken in the vicinity of the ion's trajectory should be more appropriate. Discriminative detections of ultra-heavy components in cosmic rays, such as Bi, Th, and U ions, are possible by measuring the recorded track length.

• 2013-04-25

著者

• Yasuda Nakahiro

  Research Center For Radiation Safety National Institute Of Radiological Sciences

• Hattori Atsuto

  Graduate School of Maritime Sciences, Kobe University, Kobe 658-0022, Japan

• Matsukawa Kenya

  Graduate School of Maritime Sciences, Kobe University, Kobe 658-0022, Japan

• Oda Keiji

  Graduate School of Maritime Sciences, Kobe University, Kobe 658-0022, Japan

• Kodaira Satoshi

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

• Barillon Rémi

  Institute Pluridisciplinaire Hubert Curien (UMR7178), Strasbourg Cedex 2, France

• ODA Keiji

  Graduate School of Maritime Sciences, Kobe University

• MATAI Yuri

  Graduate School of Maritime Sciences, Kobe University

• KODAIRA Satoshi

  National Institute of Radiological Sciences

• KANASAKI Masato

  Graduate School of Maritime Sciences, Kobe University

• Kitamura Hisashi

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

• KONISHI Teruaki

  National Institute of Radiological Sciences

• MATSUKAWA Kenya

  Graduate School of Maritime Sciences, Kobe University

• YAMAUCHI Tomoya

  Graduate School of Maritime Sciences, Kobe University

• HATTORI Atsuto

  Graduate School of Maritime Sciences, Kobe University

• MORI Yutaka

  Graduate School of Maritime Sciences, Kobe University

• Tao Akira

  Graduate School of Maritime Sciences, Kobe University, Kobe 658-0022, Japan

• Kusumoto Tamon

  Graduate School of Maritime Sciences, Kobe University, Kobe 658-0022, Japan

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