Measurement of the Recombination of H and OH in γ-Irradiated Aqueous Systems

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Abstract
Differences in radical and molecular yields in γ‐irradiated light and heavy water solutions have been measured over the range of sulfuric acid concentration 0–0.8N. Three new terms have been defined: GH* and GOH*, which represent the hydrogen atoms and hydroxyl radicals whose fate is to recombine to reform water; G—H2OI, which represents the gross number of water molecules decomposed into radicals. A model of radical formation and diffusion has been developed from which values of GH*, GOH*, and G—H2OI may be calculated from the experimental data.