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The influence of electron collisions on non-LTE Li line formation in stellar atmospheres
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, Theoretical Astrophysics.
2012 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 388, no 4, 042018- p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

The influence of the uncertainties in the rate coefficient data for electron-impact excitation and ionization on non-LTE Li line formation in cool stellar atmospheres is investigated. We examine the electron collision data used in previous non-LTE calculations and compare them to our own calculations using the R-matrix with pseudostates (RMPS) method and to other calculations found in the literature.

Place, publisher, year, edition, pages
2012. Vol. 388, no 4, 042018- p.
Keyword [en]
Electron collision, Electron-impact excitation, Line formations, Non-LTE, R-matrix with pseudostates, Rate coefficients, Stellar atmospheres, Impact ionization, Stars, Plasma collision processes
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-193913DOI: 10.1088/1742-6596/388/4/042018ISI: 000314994700264OAI: oai:DiVA.org:uu-193913DiVA: diva2:604064
Conference
27th International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2011, 27 July 2011 through 2 August 2011, Belfast
Available from: 2013-02-07 Created: 2013-02-06 Last updated: 2017-12-06Bibliographically approved

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Martinez Osorio, Yeisson Fabian

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