Proton-induced single electron capture on DNA RNA bases

In this work, we report total cross sections for the single electron capture process induced on DNA RNA bases by high-energy protons. The calculations are performed within both the continuum distorted wave and the continuum distorted wave-eikonal initial state approximations. The biological targets...

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Bibliographic Details
Published in:Physics in medicine & biology 2012-05, Vol.57 (10), p.3039-3049
Main Authors: Champion, C, Weck, P F, Lekadir, H, Galassi, M E, Fojón, O A, Abufager, P, Rivarola, R D, Hanssen, J
Format: Article
Language:English
Subjects:
capture process
CDW-EIS
DNA - chemistry
DNA and RNA bases
Electrons
Protons
RNA - chemistry
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Summary:In this work, we report total cross sections for the single electron capture process induced on DNA RNA bases by high-energy protons. The calculations are performed within both the continuum distorted wave and the continuum distorted wave-eikonal initial state approximations. The biological targets are described within the framework of self-consistent methods based on the complete neglect of differential overlap model whose accuracy has first been checked for simpler bio-molecules such as water vapour. Furthermore, the multi-electronic problem investigated here is reduced to a mono-electronic one using a version of the independent electron approximation. Finally, the obtained theoretical predictions are confronted with the scarcely available experimental results.
ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/57/10/3039