Experimental data from irradiation of physical detectors disclose weaknesses in basic assumptions of the δ ray theory of track structure

K. J. Olsen, Jørgen-Walther Hansen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The applicability of track structure theory has been tested by comparing predictions based on the theory with experimental high-LET dose-response data for an amino acid alanine and a nylon based radiochromic dye film radiation detector. The linear energy transfer LET, has been varied from 28 to 20200 MeV.cm2.g-1 using ion beams ranging from protons to sulphur ions. The low-LET reference radiations were beams of fast electrons and of 60Co γ rays. At doses well below saturation the two detectors act upon low-LET radiation in close accordance with the theoretical considerations, but at marginal high doses dose-rate effects are observed obscuring the evaluation of important parameters. Basic concepts in the theory have been investigated are shown to be inappropriate in the present formulation
    Original languageEnglish
    JournalRadiation Protection Dosimetry
    Volume13
    Issue number1-4
    Pages (from-to)219-222
    ISSN0144-8420
    Publication statusPublished - 1985

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