Kadokura, R;
Loreti, A;
Kover, A;
Faure, A;
Tennyson, J;
Laricchia, G;
(2019)
Angle-resolved electron scattering from H2O near 0o.
Physical Review Letters
, 123
(3)
, Article 033401. 10.1103/PhysRevLett.123.033401.
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Abstract
An electron beam, characterized by a high-angular discrimination (≃0.7°), has been used to measure the total (elastic plus inelastic) cross section of H2O in the energy range 3–100 eV. Broad coincidence is found with recent experiments, including a pronounced shoulder in the 6–12 eV region. However, at energies ≲6 eV, the present cross sections are ≃30% higher. Furthermore, forward scattering has been probed in the angular range 0°–3.5° and measures of the average (rotationally and vibrationally summed) differential elastic cross sections for incident energies ≤12 eV are obtained at a scattering angle ≃1∘. The measurements, which provide the first test of theoretical predictions in an angular region experimentally unexplored until now, are found to be within 1 standard deviation of corresponding ab initio R-matrix calculations.
| Type: | Article |
|---|---|
| Title: | Angle-resolved electron scattering from H2O near 0o |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.123.033401 |
| Publisher version: | https://doi.org/10.1103/PhysRevLett.123.033401 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10079101 |
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