VUV Fourier-Transform absorption study of the npπnpπ1Πu-,v,N←X1Σg+,v″=0,N″ transitions in D2 - INSU - Institut national des sciences de l'Univers Accéder directement au contenu
Article Dans Une Revue Journal of Molecular Spectroscopy Année : 2015

VUV Fourier-Transform absorption study of the npπnpπ1Πu-,v,N←X1Σg+,v″=0,N″ transitions in D2

Résumé

The DESIRS beamline of the SOLEIL synchrotron facility, equipped with a vacuum ultraviolet Fourier-Transform spectrometer has been used to measure Q(N″)Q(N″) (N-N″=0N-N″=0) absorption transitions of the D2 molecule. Some 212 Q-lines were assigned and their transition frequencies determined up to excitation energies of 137000 cm-1 above the ground state, thereby extending the earlier work by various authors, and considerably improving the spectral accuracy (<0.1<0.1 cm-1). The assignments have been aided by first principles multichannel quantum defect theory (MQDT) calculations which also provide predictions of the autoionization widths of the upper levels.
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Dates et versions

hal-01136055 , version 1 (26-03-2015)

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Michèle Glass-Maujean, Ch Jungen, G.D. Dickenson, W Ubachs, N de Oliveira, et al.. VUV Fourier-Transform absorption study of the npπnpπ1Πu-,v,N←X1Σg+,v″=0,N″ transitions in D2. Journal of Molecular Spectroscopy, 2015, 315, pp.147-154. ⟨10.1016/j.jms.2015.03.007⟩. ⟨hal-01136055⟩
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