Calculations of Cross-Sections for Positron Scattering on Benzene
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...
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MDPI AG
2024-12-01
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| Online Access: | https://www.mdpi.com/2076-3417/15/1/153 |
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| author | Małgorzata Franz Anna Pastuszko Jan Franz |
| author_facet | Małgorzata Franz Anna Pastuszko Jan Franz |
| author_sort | Małgorzata Franz |
| collection | DOAJ |
| description | 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. |
| format | Article |
| id | doaj-art-2cd971b0834a4a7bae5f30de6f781670 |
| institution | Kabale University |
| issn | 2076-3417 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-2cd971b0834a4a7bae5f30de6f7816702025-01-10T13:14:37ZengMDPI AGApplied Sciences2076-34172024-12-0115115310.3390/app15010153Calculations of Cross-Sections for Positron Scattering on BenzeneMałgorzata Franz0Anna Pastuszko1Jan Franz2Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, 80-233 Gdańsk, PolandFaculty of Applied Physics and Mathematics, Gdańsk University of Technology, 80-233 Gdańsk, PolandFaculty of Applied Physics and Mathematics, Gdańsk University of Technology, 80-233 Gdańsk, PolandIn 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.https://www.mdpi.com/2076-3417/15/1/153positron–molecule scatteringpositron impact ionizationbinary-encounter Bethebenzene |
| spellingShingle | Małgorzata Franz Anna Pastuszko Jan Franz Calculations of Cross-Sections for Positron Scattering on Benzene Applied Sciences positron–molecule scattering positron impact ionization binary-encounter Bethe benzene |
| title | Calculations of Cross-Sections for Positron Scattering on Benzene |
| title_full | Calculations of Cross-Sections for Positron Scattering on Benzene |
| title_fullStr | Calculations of Cross-Sections for Positron Scattering on Benzene |
| title_full_unstemmed | Calculations of Cross-Sections for Positron Scattering on Benzene |
| title_short | Calculations of Cross-Sections for Positron Scattering on Benzene |
| title_sort | calculations of cross sections for positron scattering on benzene |
| topic | positron–molecule scattering positron impact ionization binary-encounter Bethe benzene |
| url | https://www.mdpi.com/2076-3417/15/1/153 |
| work_keys_str_mv | AT małgorzatafranz calculationsofcrosssectionsforpositronscatteringonbenzene AT annapastuszko calculationsofcrosssectionsforpositronscatteringonbenzene AT janfranz calculationsofcrosssectionsforpositronscatteringonbenzene |