https://doi.org/10.1140/epjd/e2019-100459-x
Regular Article
Positron interactions with nitrogen and oxygen molecules: elastic, inelastic and total cross sections⋆
1
Chemistry department, University College London, 20 Gordon St, London WC1H 0AJ, UK
2
Departamento de Fsica Atómica, Molecular y Nuclear, Universidad Complutense de Madrid, Madrid 28040, Spain
3
Instituto de Fsica Fundamental, Consejo Superior de Investigaciones Cientficas (CSIC), Calle Serrano, 113bis, Madrid 28003, Spain
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Received:
17
September
2019
Received in final form:
21
November
2019
Published online:
24
December
2019
Abstract
Positron scattering cross sections, used for modelling particle transport in various media, are difficult to gather experimentally. As such, various cross section calculation methods have been developed to varying accuracy. The IAM-SCAR+I method has been improved upon recently to fulfil the optical theorem and the results for two important simple molecules, N2 and O2, are presented here. These results are compared to literature and our findings are comparable in most impact energy ranges.
Contribution to the Topical Issue “Low-Energy Positron and Positronium Physics and Electron-Molecule Collisions and Swarms (POSMOL 2019)”, edited by Michael Brunger, David Cassidy, Saša Dujko, Dragana Marić, Joan Marler, James Sullivan, Juraj Fedor.
© The Author(s) 2019. This article is published with open access at Springerlink.com
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
