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Calculation of electron-impact ionization of various benzene derivatives

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  • Calculations of the electron-impact ionization cross-section of pyrene, anthracene, benzoyl chloride, benzophenone, and phthalonitrile are reported over a wide energy range. A comparison of theoretical models, viz. spherical complex optical potential (SCOP), pixel counting method (PCM), and the binary encounter Bethe (BEB) model is carried out. SCOP calculations provide the inelastic cross-section, and the ionization cross-section is extracted from it. This result is modified with PCM, a model previously applied to ion collisions which takes geometric screening corrections into account. The BEB model is used as an independent approach to calculate the ionization cross-section. It is demonstrated that all model results are in reasonable agreement with each other. Comparison is also made with other theoretical data where available.
Metadaten
Author:Anirudh KrishnadasORCiD, Nidhi Sinha, Tom Kirchner, Bobby Antony
Document Type:Article
Parent Title (English):IOP Publications- Physica Scripta
Volume:99
Issue:9
First Page:095403
Year of first publication:2024
DOI:https://doi.org/10.1088/1402-4896/ad640a
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