Accurate calculations of beyond-Voigt line-shape parameters from first principles for the He-perturb e d HD rovibrational lines: A comprehensive dataset in the HITRAN DPL format - Université de Rennes Accéder directement au contenu
Article Dans Une Revue Journal of Quantitative Spectroscopy and Radiative Transfer Année : 2021

Accurate calculations of beyond-Voigt line-shape parameters from first principles for the He-perturb e d HD rovibrational lines: A comprehensive dataset in the HITRAN DPL format

Résumé

We report a comprehensive dataset of beyond-Voigt line-shape parameters (pressure broadening and shift coefficients, their speed-dependences, and the complex Dicke parameters) for all electric dipole and quadrupole transitions within the ground electronic state in He-perturbed HD that are present in the HITRAN database. The parameters are determined from generalized spectroscopic cross-sections which we obtain by solving ab initio quantum scattering problem using the close-coupling formulation and the state-of-the-art potential energy surface of the HD-He interaction. We parametrize the temperature dependence of the line-shape parameters with double-power-law representation (DPL), recommended for the HITRAN database. Comparison with the analogous results for the H-2-He system reveals a strong isotopologue dependence. (C) 2021 The Authors. Published by Elsevier Ltd.
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Dates et versions

hal-03413845 , version 1 (02-06-2022)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Kamil Stankiewicz, Nikodem Stolarczyk, Hubert Jozwiak, Franck Thibault, Piotr Wcislo. Accurate calculations of beyond-Voigt line-shape parameters from first principles for the He-perturb e d HD rovibrational lines: A comprehensive dataset in the HITRAN DPL format. Journal of Quantitative Spectroscopy and Radiative Transfer, 2021, 276, pp.107911. ⟨10.1016/j.jqsrt.2021.107911⟩. ⟨hal-03413845⟩
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