Title

Proton-impact ionization cross sections for nanodosimetric track structure simulations

RIS ID

84814

Publication Details

Bug, M. U., Gargioni, E., Baek, W., Hilgers, G., Nettelbeck, H., Rozenfeld, A. & Rabus, H. (2013). Proton-impact ionization cross sections for nanodosimetric track structure simulations. Radiation Protection Dosimetry, Online First 1-4.

Abstract

Monte Carlo simulations of the particle track structure require accurate ion- and electron-impact cross-section data of the medium. These data are scarce and often inconsistent when measured by different groups. In this work, literature data on ionisation cross sections (CSs) of nitrogen and propane for protons with energies 0.1–10 MeV are reviewed and implemented in the code PTra. Methane data were used to obtain proton-impact CSs of propane due to their absence in the literature. PTra is benchmarked by comparing simulated particle-track parameters to experimental results, measured with an ion-counting nanodosemeter.

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Link to publisher version (DOI)

http://dx.doi.org/10.1093/rpd/nct317