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Elastic differential cross sections for acetone by 7-50 eV energy electron impact

AutorLange, E.; Meneses, G.; Ameixa, J.; Farado Pastega, D.; Franco Bettega, M.H.; García, Gustavo ; Limão-Vieira, P.; Ferreira da Silva, F.
Fecha de publicación17-jul-2015
CitaciónXIX International Symposium on Electron-Molecule Collisions and Swarms (2015)
XVIII International Workshop on Low-Energy Positron and Positronium Physics (2015)
ResumenAcetone (C3H6O) is the simplest carbonyl and aliphatic compound largely used as an industrial solvent for the plastic and fiber industries, and is closely related to human health as a biomarker in the breath of untreated patients with diabetes [1]. Acetone, can also be used in radiobiology, as a radiosensitizer since the presence of ketones may modify the structures of DNA bases, which are sensitive to lowenergy interactions along ionisation tracks [2]. Electron interactions with organic compounds, such as acetone, are a powerful tool to determine elastic and inelastic differential cross sections, which can be used as input data in radiotherapy dose planning [3]. As such, in this joint theoretical and experimental study, we present comprehensive elastic differential cross sections for electron scattering from acetone in the 7 to 50 eV energy electron in the angular range 15 to 90°. The experimental measurements have been obtained in an highresolution electron-energy-loss spectroscopy (HREELS) setup [7], while the theoretical calculations have been performed by the Independent Atom Model-Screening Corrected Additivity Rule (IAMSCAR) [4] and Schwinger Multichannel Methods [5,6]. The level of agreement between these calculations and our measurements is found to be quite remarkable
DescripciónPOSMOL 2015, 17-20 July 2015, Lisboa, Portugal; http://eventos.fct.unl.pt/posmol2015/
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