Mašin, Zdeněk and Gorfinkiel, Jimena D.
(2016).
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| DOI (Digital Object Identifier) Link: | https://doi.org/10.1140/epjd/e2016-70165-x |
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| Google Scholar: | Look up in Google Scholar |
Abstract
We present a detailed analysis of the effect of the well known third π ∗ resonance on the angular behaviour of the elastic cross section in electron scattering from pyrimidine. This resonance, occurring approximately at 4.7 eV, is of mixed shape and core-excited character. Experimental and theoretical results show the presence of a peak/dip behaviour in this energy range, that is absent for other resonances. Our investigations show that the cause of the peak/dip is an interference of background p-wave to p-wave scattering amplitudes with the amplitudes for resonant scattering. The equivalent resonance in pyrazine shows the same behaviour and the effect is therefore likely to appear in other benzene-like molecules.
| Item Type: | Journal Item |
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| Copyright Holders: | 2016 The Authors |
| ISSN: | 1434-6060 |
| Extra Information: | Topical Issue: Advances in Positron and Electron Scattering |
| Academic Unit/School: | Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences Faculty of Science, Technology, Engineering and Mathematics (STEM) |
| Research Group: | Physics |
| Item ID: | 46865 |
| Depositing User: | Jimena Gorfinkiel |
| Date Deposited: | 22 Jul 2016 09:14 |
| Last Modified: | 11 Dec 2018 10:24 |
| URI: | http://oro.open.ac.uk/id/eprint/46865 |
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