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Modelling positron transport in biologicl media: towards a positron dosimetry

AuthorsPetrovic, Z.; García, Gustavo ; White, R.; Brunger, M.J.; Sullivan, J.; Buckman, S.
Issue Date14-Nov-2011
PublisherCSIC - Instituto de Física Fundamental (IFF)
Citation64th Gaseous Electronics Conference - GEC 2011, 15 – 18 November, 2011 Salt Palace Convention Center Salt Lake City, Utah, USA
AbstractWe have a combined program of measurement, analysis and modeling for positron interactions with biologically relevant molecules. The measurement involves direct determination of positron scattering cross sections including, most importantly, positronium formation, which are then combined into a set of cross sections and, together with energy loss spectra, serve as the input to a number of modeling approaches. These include both Monte Carlo and Boltzmann approaches and, ultimately, they aim to model interactions in liquid systems in order to best approximate tissue equivalents. Results for the archetypical system, water, will be presented as well as preliminary studies on other biologically relevant molecules.
Appears in Collections:(CFMAC-IFF) Comunicaciones congresos
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