Calculations of Cross-Sections for Positron Scattering on Benzene

Franz, Małgorzata; Pastuszko, Anna; Franz, Jan

doi:10.3390/app15010153

Open AccessArticle

Calculations of Cross-Sections for Positron Scattering on Benzene

by

Małgorzata Franz

^1,*

,

Anna Pastuszko

¹ and

Jan Franz

^1,2,*

¹

Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, 80-233 Gdańsk, Poland

²

Advanced Materials Center, Gdańsk University of Technology, 80-233 Gdańsk, Poland

^*

Authors to whom correspondence should be addressed.

Appl. Sci. 2025, 15(1), 153; https://doi.org/10.3390/app15010153

Submission received: 17 November 2024 / Revised: 14 December 2024 / Accepted: 26 December 2024 / Published: 27 December 2024

(This article belongs to the Section Applied Physics General)

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Abstract

In this work, we present a theoretical study on positron scattering by benzene molecules over a broad energy range (1–1000 eV). The aim of this work is to provide missing data from partial cross-sections for specific processes. In particular, calculations of cross-sections for direct ionization and electronic excitation were carried out for benzene molecules in the gas phase. An estimate for the cross-section for positronium formation is obtained from a comparison with the total cross-section from experiments. Theoretical methodologies used in the study for partial ionization cross-section calculations are based on the binary-encounter Bethe model and take into account an extension of the Wannier theory. The total cross-section shows good agreement with experimental data.

Keywords: positron–molecule scattering; positron impact ionization; binary-encounter Bethe; benzene

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MDPI and ACS Style

Franz, M.; Pastuszko, A.; Franz, J. Calculations of Cross-Sections for Positron Scattering on Benzene. Appl. Sci. 2025, 15, 153. https://doi.org/10.3390/app15010153

AMA Style

Franz M, Pastuszko A, Franz J. Calculations of Cross-Sections for Positron Scattering on Benzene. Applied Sciences. 2025; 15(1):153. https://doi.org/10.3390/app15010153

Chicago/Turabian Style

Franz, Małgorzata, Anna Pastuszko, and Jan Franz. 2025. "Calculations of Cross-Sections for Positron Scattering on Benzene" Applied Sciences 15, no. 1: 153. https://doi.org/10.3390/app15010153

APA Style

Franz, M., Pastuszko, A., & Franz, J. (2025). Calculations of Cross-Sections for Positron Scattering on Benzene. Applied Sciences, 15(1), 153. https://doi.org/10.3390/app15010153

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Calculations of Cross-Sections for Positron Scattering on Benzene

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