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Dose point kernels in liquid water : An intra-comparison between GEANT4-DNA and a variety of Monte Carlo codes

Champion, C. (author)
Incerti, S. (author)
Perrot, Y. (author)
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Delorme, R. (author)
Bordage, M. C. (author)
Bardies, M. (author)
Mascialino, Barbara (author)
Stockholms universitet,Fysikum
Tran, H. N. (author)
Ivanchenko, V. (author)
Bernal, M. (author)
Francis, Z. (author)
Groetz, J. -E (author)
Fromm, M. (author)
Campos, L. (author)
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 (creator_code:org_t)
Elsevier BV, 2014
2014
English.
In: Applied Radiation and Isotopes. - : Elsevier BV. - 0969-8043 .- 1872-9800. ; 83, s. 137-141
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)

Keyword

Dose point kernel
GEANT4-DNA
Monte Carlo codes
Liquid water

Publication and Content Type

ref (subject category)
art (subject category)

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