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Atoms 2016, 4(4), 30; doi:10.3390/atoms4040030

Cross Sections and Rate Coefficients for Vibrational Excitation of HeH+ Molecule by Electron Impact

1
Laboratoire de Genie des Procedes et des Materiaux, Ecole Centrale Paris, CentraleSupelec, campus de Chatenay-Malabry Grande Voie des Vignes F-92 295 Chatenay-Malabry Cedex, France
2
Department of Physics, University of Central Florida, Orlando, FL 32816, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Bastiaan J. Braams
Received: 11 November 2016 / Revised: 9 December 2016 / Accepted: 14 December 2016 / Published: 20 December 2016
(This article belongs to the Special Issue Atomic and Molecular Data for Hydrogen and Helium in Fusion Plasma)
View Full-Text   |   Download PDF [799 KB, uploaded 20 December 2016]   |  

Abstract

Cross sections and thermally-averaged rate coefficients for vibration (de-)excitation of HeH + by an electron impact are computed using a theoretical approach that combines the multi-channel quantum defect theory and the UK R-matrix code. Fitting formulas with a few numerical parameters are derived for the obtained rate coefficients. The interval of applicability of the formulas is from 40 to 10,000 K. View Full-Text
Keywords: helium hydride ion; vibrational excitation; R-matrix; quantum-defect theory helium hydride ion; vibrational excitation; R-matrix; quantum-defect theory
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ayouz, M.; Kokoouline, V. Cross Sections and Rate Coefficients for Vibrational Excitation of HeH+ Molecule by Electron Impact. Atoms 2016, 4, 30.

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