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Título

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

Autor White, R.D.; Tattersall, W.; Boyle, G.; Robson, R.E.; Dujko, S.; Petrovic, Z.L.; Bankovic, A.; Brunger, M.J.; Sullivan, J.P.; Buckman, S.J.; García, Gustavo
Palabras clave Monte-Carlo simulation
Positron transport
Radiation damage modeling
Swarm physics
Cross sections
Fecha de publicación ene-2014
EditorElsevier
Citación Applied Radiation and Isotopes 83: 77- 85 (2014)
ResumenWe 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. © 2013 Elsevier Ltd.
Descripción 9 pags.; 6 figs.; 1 app.
Versión del editorhttp://dx.doi.org/10.1016/j.apradiso.2013.01.008
URI http://hdl.handle.net/10261/113160
DOI10.1016/j.apradiso.2013.01.008
10.1016/j.apradiso.2013.01.008
Identificadoresdoi: 10.1016/j.apradiso.2013.01.008
issn: 0969-8043
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