Research Papers in Physics and Astronomy


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Published in Applied Radiation and Isotopes 40:10-12 (1989), pp. 923-933. (Formerly known as International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes) Published by Pergamon Press plc./Elsevier. Used by permission.


Radiosensitivity parameters of track structure theory, representing alanine as a one-hit detector, have been fitted for this free-radical amino-acid system on the basis of the available experimental data on the relative effectiveness of alanine after charged particle and neutron irradiations. The experimental data set can be reproduced by theoretical calculations, roughly to within experimental accuracy. A charged-particle “equivalent radiation” is introduced which can mimic the response of alanine to neutron irradiations. Implications of the results of model calculations for alanine on the shape of the radial distribution of δ-ray dose postulated by track theory, are discussed.

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