Theoretical and experimental cross sections for electron scattering from halothane



Publication Details

Maioli, L. S., Bettega, M. H. F., Blanco, F., Garcia , G., Lange, E., Limao-Vieira, P. & Ferreira Da Silva, F. (2019). Theoretical and experimental cross sections for electron scattering from halothane. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, 73 (8), 181-1-181-6.


We report a joint theoretical and experimental study on elastic scattering of electrons from halothane (CF3CHBrCl). The theoretical differential, integral and momentum transfer cross sections were obtained with the Schwinger multichannel method implemented with pseudopotentials (SMCPP), and with the independent atom model with screening corrected additivity rule including interference effects (IAM-SCAR+I). The differential cross sections measurements were conducted for incident electron energies of 10, 20, 30 and 50 eV, while the scattered electron angular range varied from 7° to 100°. At these energies the present experimental differential cross sections are in reasonable agreement with both SMCPP and IAM-SCAR+I calculations. As expected, the two theoretical methodologies agree well with each other as the electron impact energy increases. We also discuss the presence of low-energy resonances and a bound anion state identified in our SMCPP calculations. Graphical abstract: [Figure not available: see fulltext.].

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