Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact

Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact

Experimental results for the electron impact ionization of benzene, providing double (DDCS) and triple differential cross sections (TDCS) at the incident energy of 90 eV, measured with a multi-particle momentum spectrometer, are reported in this paper. The most intense ionization channel is assigned...

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Main Authors: Ana I. Lozano, Filipe Costa, Xueguang Ren, Alexander Dorn, Lidia Álvarez, Francisco Blanco, Paulo Limão-Vieira, Gustavo García
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:International Journal of Molecular Sciences
Subjects:
electron scattering cross sections
benzene ionization
Online Access:https://www.mdpi.com/1422-0067/22/9/4601
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spelling doaj-e1c96af0a3954d36ad611bbb4971e8682021-04-27T23:05:57ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-04-01224601460110.3390/ijms22094601Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron ImpactAna I. Lozano0Filipe Costa1Xueguang Ren2Alexander Dorn3Lidia Álvarez4Francisco Blanco5Paulo Limão-Vieira6Gustavo García7Instituto de Física Fundamental, Consejo Superior de Investigaciones Científicas, Serrano 113-bis, 28006 Madrid, SpainInstituto de Física Fundamental, Consejo Superior de Investigaciones Científicas, Serrano 113-bis, 28006 Madrid, SpainMax Planck Institute for Nuclear Physics, 69117 Heidelberg, GermanyMax Planck Institute for Nuclear Physics, 69117 Heidelberg, GermanyInstituto de Física Fundamental, Consejo Superior de Investigaciones Científicas, Serrano 113-bis, 28006 Madrid, SpainDepartamento de Estructura de la Materia Física Térmica y Electrónica e IPARCOS, Universidad Complutense de Madrid, Plaza de Ciencias 1, 28040 Madrid, SpainAtomic and Molecular Collisions Laboratory, CEFITEC, Department of Physics, Universidade NOVA de Lisboa, 2829-516 Caparica, PortugalInstituto de Física Fundamental, Consejo Superior de Investigaciones Científicas, Serrano 113-bis, 28006 Madrid, SpainExperimental results for the electron impact ionization of benzene, providing double (DDCS) and triple differential cross sections (TDCS) at the incident energy of 90 eV, measured with a multi-particle momentum spectrometer, are reported in this paper. The most intense ionization channel is assigned to the parent ion (C<sub>6</sub>H<sub>6</sub><sup>+</sup>) formation. The DDCS values are presented for three different transferred energies, namely 30, 40 and 50 eV. The present TDCS are given for two fixed values of the ejected electron energy (E<sub>2</sub>), at 5 and 10 eV, and an electron scattering angle (θ<sub>1</sub>) of 10°. Different features related to the molecular orbitals of benzene from where the electron is extracted are observed. In addition, a semi-empirical formula to be used as the inelastic angular distribution function in electron transport simulations has been derived from the present DDCS result and compared with other expressions available in the literature.https://www.mdpi.com/1422-0067/22/9/4601electron scattering cross sectionsbenzene ionization
collection DOAJ
language English
format Article
sources DOAJ
author Ana I. Lozano
Filipe Costa
Xueguang Ren
Alexander Dorn
Lidia Álvarez
Francisco Blanco
Paulo Limão-Vieira
Gustavo García
spellingShingle Ana I. Lozano
Filipe Costa
Xueguang Ren
Alexander Dorn
Lidia Álvarez
Francisco Blanco
Paulo Limão-Vieira
Gustavo García
Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact
International Journal of Molecular Sciences
electron scattering cross sections
benzene ionization
author_facet Ana I. Lozano
Filipe Costa
Xueguang Ren
Alexander Dorn
Lidia Álvarez
Francisco Blanco
Paulo Limão-Vieira
Gustavo García
author_sort Ana I. Lozano
title Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact
title_short Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact
title_full Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact
title_fullStr Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact
title_full_unstemmed Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact
title_sort double and triple differential cross sections for single ionization of benzene by electron impact
publisher MDPI AG
series International Journal of Molecular Sciences
issn 1661-6596
1422-0067
publishDate 2021-04-01
description Experimental results for the electron impact ionization of benzene, providing double (DDCS) and triple differential cross sections (TDCS) at the incident energy of 90 eV, measured with a multi-particle momentum spectrometer, are reported in this paper. The most intense ionization channel is assigned to the parent ion (C<sub>6</sub>H<sub>6</sub><sup>+</sup>) formation. The DDCS values are presented for three different transferred energies, namely 30, 40 and 50 eV. The present TDCS are given for two fixed values of the ejected electron energy (E<sub>2</sub>), at 5 and 10 eV, and an electron scattering angle (θ<sub>1</sub>) of 10°. Different features related to the molecular orbitals of benzene from where the electron is extracted are observed. In addition, a semi-empirical formula to be used as the inelastic angular distribution function in electron transport simulations has been derived from the present DDCS result and compared with other expressions available in the literature.
topic electron scattering cross sections
benzene ionization
url https://www.mdpi.com/1422-0067/22/9/4601
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