Low-energy electron and positron transport in gases and soft-condensed systems of biological relevance

Ronald White, Wade Tattersall, G Boyle, R Robson, Sasa Dujko, Z Petrovic, Ana Bankovic, Michael Brunger, J P Sullivan, S Buckman, Gustavo Garcia

    Research output: Contribution to journalArticle

    44 Citations (Scopus)

    Abstract

    We present a study of electron and positron transport in water in both the gaseous and liquid states using a Boltzmann equation analysis and a Monte-Carlo simulation technique. We assess the importance of coherent scattering processes when considering transport of electrons/positrons in dense gases and liquids. We highlight the importance of electron and positron swarm studies and experiments as a test of the accuracy and completeness of cross-sections, as well as a technique for benchmarking Monte-Carlo simulations. The thermalization of low-energy positrons (<150eV) in water is discussed and the sensitivity of the profiles to the form of the cross-sections in this energy region, and assumptions in the microscopic processes, is considered.

    Original languageEnglish
    Pages (from-to)77-85
    Number of pages9
    JournalAPPLIED RADIATION AND ISOTOPES
    Volume83
    Issue numberPart B
    DOIs
    Publication statusPublished - 2014

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