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Monte Carlo simulation of physicochemical processes of liquid water radiolysis

The effects of dissolved oxygen and OH scavenger

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Abstract

The paper describes developments of the physicochemical part of a computer code system that estimates DNA strand break induction on plasmid pBR322 DNA. In order to test the reliability of the model, we evaluated the dielectric function and the time-dependent yield of chemical species in the presence of OH radical scavenger or dissolved oxygen. Results agree with measurements on the radiolysis of liquid water. When a hybrid model of a liquid inelastic cross-section and a vapour elastic cross-section is used, energy deposition by vibrational excitations is estimated to be approximately 11% of total energy deposition.

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Authors and Affiliations

  1. Department of Radiological Health, Faculty of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan, , , , , , JP

    H. Tomita, M. Kai & T. Kusama

  2. Department of Physics, Cancer Institute, 1-37-1 Kami-Ikebukuro, Toshima-ku, Tokyo 170, Japan, , , , , , JP

    A. Ito

Authors
  1. H. Tomita
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  2. M. Kai
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  3. T. Kusama
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  4. A. Ito
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Received: 4 March 1996 / Accepted in revised form: 14 November 1996

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Tomita, H., Kai, M., Kusama, T. et al. Monte Carlo simulation of physicochemical processes of liquid water radiolysis . Radiat Environ Biophys 36, 105–116 (1997). https://doi.org/10.1007/s004110050061

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  • DOI: https://doi.org/10.1007/s004110050061

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