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Ab initio cross sections for low-energy inelastic Mg+H collisions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Astrophysics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Molecular and condensed matter physics.
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2012 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 388, no 9, 092002- p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

Full quantum scattering calculations of cross sections for low-energy near-threshold inelastic Mg + H collisions are reported, such processes being of interest for modelling of Mg spectral lines in stellar atmospheres. Nonadiabatic transions associated with radial couplings at avoided ionic crossings in the 2Σ+ molecular states are found to be the main mechanism for excitation and ion-pair production processes.

Place, publisher, year, edition, pages
2012. Vol. 388, no 9, 092002- p.
Keyword [en]
Ab initio, Ion pairs, Molecular state, Non-adiabatic, Production process, Quantum scattering, Spectral line, Stellar atmospheres, Calculations, Atoms
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-193909DOI: 10.1088/1742-6596/388/9/092002OAI: oai:DiVA.org:uu-193909DiVA: diva2:604817
Conference
27th International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2011, 27 July 2011 through 2 August 2011, Belfast
Available from: 2013-02-12 Created: 2013-02-06 Last updated: 2017-12-06Bibliographically approved

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Barklem, Paul S.

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