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.
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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.
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Ellis-Gibbings, L., Blanco, F. & García, G. Positron interactions with nitrogen and oxygen molecules: elastic, inelastic and total cross sections. Eur. Phys. J. D 73, 266 (2019). https://doi.org/10.1140/epjd/e2019-100459-x
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DOI: https://doi.org/10.1140/epjd/e2019-100459-x