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Dose point kernels in liquid water: An intra-comparison between GEANT4-DNA and a variety of Monte Carlo codes
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2014 (English)In: Applied Radiation and Isotopes, ISSN 0969-8043, E-ISSN 1872-9800, Vol. 83, 137-141 p.Article in journal (Refereed) Published
Abstract [en]

Modeling the radio-induced effects in biological medium still requires accurate physics models to describe the interactions induced by all the charged particles present in the irradiated medium in detail. These interactions include inelastic as well as elastic processes. To check the accuracy of the very low energy models recently implemented into the GEANT4 toolkit for modeling the electron slowing-down in liquid water, the simulation of electron dose point kernels remains the preferential test. In this context, we here report normalized radial dose profiles, for mono-energetic point sources, computed in liquid water by using the very low energy GEANT4-DNA physics processes available in the GEANT4 toolkit. In the present study, we report an extensive intra-comparison of profiles obtained by a large selection of existing and well-documented Monte-Carlo codes, namely, EGSnrc, PENELOPE, CPA100, FLUKA and MCNPX.

Place, publisher, year, edition, pages
2014. Vol. 83, 137-141 p.
Keyword [en]
Dose point kernel, GEANT4-DNA, Monte Carlo codes, Liquid water
National Category
Chemical Sciences Radiology, Nuclear Medicine and Medical Imaging
URN: urn:nbn:se:su:diva-100375DOI: 10.1016/j.apradiso.2013.01.037ISI: 000329539900013OAI: diva2:693474


Funding agencies:

French Agence Nationale de la Recherche ANR-09-BLAN-0135-01; European Space Agency AO6041-22712/09/NL/AT; Centre National de la Recherche Scientifique PICS 5921; FAEPEX Fund, UNICAMP, Brazil;  FAPESP Foundation in Sao Paulo, Brazil  

Available from: 2014-02-04 Created: 2014-02-03 Last updated: 2014-02-04Bibliographically approved

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Mascialino, Barbara
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Department of Physics
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