Elastic and Inelastic Electron Scattering Cross Sections of Trichlorofluoromethane
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866916668920299520 |
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| author | Dinger, Mareike Park, Yeunsoo Baek, Woon Yong |
| author_facet | Dinger, Mareike Park, Yeunsoo Baek, Woon Yong |
| contents | Differential elastic electron scattering cross sections of trichlorofluoromethane $\mathrm{(CCl_3F)}$ were measured for the first time over a broad energy range spanning 30 eV to 800 eV in the angular range of 20$^\circ$ to 150$^\circ$. The experimental results were compared with calculations using the IAM-SCAR+I model. Satisfactory agreements between both data sets were found for electron energies above 200 eV within experimental uncertainties, whereas significant deviations of up to 100% were observed at electron energies below 60 eV. In addition to the measurements of differential elastic scattering cross sections, total inelastic scattering cross sections of $\mathrm{CCl_3F}$ were calculated using the spherical complex optical potential (SCOP) model. These calculations closely match experimental total ionization cross sections available in the literature for energies below 50 eV. The sum of the experimental total elastic and the theoretical total inelastic scattering cross sections align very well with the total electron scattering cross sections of $\mathrm{CCl_3F}$ measured by other groups across the entire energy range (30 eV to 800 eV), demonstrating the consistency among these three cross sections. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_03171 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Elastic and Inelastic Electron Scattering Cross Sections of Trichlorofluoromethane Dinger, Mareike Park, Yeunsoo Baek, Woon Yong Chemical Physics Differential elastic electron scattering cross sections of trichlorofluoromethane $\mathrm{(CCl_3F)}$ were measured for the first time over a broad energy range spanning 30 eV to 800 eV in the angular range of 20$^\circ$ to 150$^\circ$. The experimental results were compared with calculations using the IAM-SCAR+I model. Satisfactory agreements between both data sets were found for electron energies above 200 eV within experimental uncertainties, whereas significant deviations of up to 100% were observed at electron energies below 60 eV. In addition to the measurements of differential elastic scattering cross sections, total inelastic scattering cross sections of $\mathrm{CCl_3F}$ were calculated using the spherical complex optical potential (SCOP) model. These calculations closely match experimental total ionization cross sections available in the literature for energies below 50 eV. The sum of the experimental total elastic and the theoretical total inelastic scattering cross sections align very well with the total electron scattering cross sections of $\mathrm{CCl_3F}$ measured by other groups across the entire energy range (30 eV to 800 eV), demonstrating the consistency among these three cross sections. |
| title | Elastic and Inelastic Electron Scattering Cross Sections of Trichlorofluoromethane |
| topic | Chemical Physics |
| url | https://arxiv.org/abs/2408.03171 |