Dora, A;
Tennyson, J;
(2019)
Electron Collisions with CO Molecule: An R-Matrix Study Using a Large Basis Set.
In:
Quantum Collisions and Confinement of Atomic and Molecular Species, and Photons.
(pp. pp. 48-59).
Springer: Cham, Switzerland.
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Abstract
Fixed-nuclei R -matrix calculations are performed at the equilibrium geometry of carbon monoxide using the very large cc-pV6Z Gaussian basis set. Results from a close-coupling model involving 27 low-lying target states indicate the presence of three2Σ+ resonances at 10.1 eV (width 0.1 eV), 10.38 eV (0.0005 eV), and 11.15 eV (0.005 eV), a2Δ resonance at 13.3 eV (0.1 eV) and two2Π resonances at 1.9 eV (1.3 eV) and 12.8 eV (0.1 eV). These new results are in very good agreement with many experimental studies but in contrast to a previous calculation using a smaller cc-pVTZ basis set where we found only one2Σ+ resonances at 12.9 eV. This is the first time that any theoretical study has reported these high lying2Σ+ resonances in agreement to experiment and reported detection of a2Δ resonance. Total, elastic and electronic excitation cross sections of CO by electron impact are also presented.
Type: | Proceedings paper |
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Title: | Electron Collisions with CO Molecule: An R-Matrix Study Using a Large Basis Set |
Event: | The 7th Topical Conference of ISAMP 2018 |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1007/978-981-13-9969-5_3 |
Publisher version: | https://doi.org/10.1007/978-981-13-9969-5_3 |
Language: | English |
Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
Keywords: | Carbon monoxide, Resonances, R-matrix method |
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-pp.ucl.ac.uk/id/eprint/10088933 |
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