3.2.3　Modified Structure Around Ion Tracks in Polymeric Etched Track Detectors

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  • Yamauchi Tomoya
    Graduate School of Maritime Science, Kobe University
  • Kusumoto Tamon
    Radiation Measurement Research Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology

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Other Title
  • 3.2.3　高分子系エッチング型飛跡検出器中に形成されるイオントラックの構造
  • 高分子系エッチング型飛跡検出器中に形成されるイオントラックの構造
  • コウブンシケイ エッチングガタ ヒセキ ケンシュツキ チュウ ニ ケイセイ サレル イオントラック ノ コウゾウ

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Abstract

<p>A modified structure around latent tracks in polymeric etched track detectors has been examined. A series of quantitative analyses on the changes in the density of each functional group composing the polymers has provided the chemical damage parameters of the damage density. These include the number of losses of considered functional groups per unit distance of the track length, effective track core radius, in which the chemical groups are lost, and the radiation chemical yields, G values, for each group. These are evaluated as a function of the stopping power, ranging from 1 to 12,000 eV/nm. The role of multi-hits with low energy electron to form any permanent damage has been studied using Monte-Carlo simulations.</p>

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 68 (4), 247-258, 2019-04-15

    Japan Radioisotope Association

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