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Type: Artigo de periódico
Title: Dose point kernels in liquid water: An intra-comparison between GEANT4-DNA and a variety of Monte Carlo codes
Author: Champion, C
Incerti, S
Perrot, Y
Delorme, R
Bordage, MC
Bardies, M
Mascialino, B
Tran, HN
Ivanchenko, V
Bernal, M
Francis, Z
Groetz, JE
Fromm, M
Campos, L
Abstract: 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. (C) 2013 Elsevier Ltd. All rights reserved.
Subject: Dose point kernel
Monte Carlo codes
Liquid water
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/j.apradiso.2013.01.037
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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