Observation of the 5pΠu Rydberg state of Li2 |
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| Authors: | A.J. Ross F. Martin Ch. Jungen |
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| Affiliation: | a Laboratoire de Spectrométrie Ionique et Moléculaire, Bât. A. Kastler, Université Lyon I et C.N.R.S., Domaine Scientifique de La Doua, 69622 Villeurbanne Cedex, France
b Laboratoire Aimé Cotton, UPR 3321 du C.N.R.S. Bât. 505 Campus d'Orsay 91405 Orsay Cedex, France |
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| Abstract: | Some weak, collisionally induced transitions in 7Li2 have been recorded by Fourier transform spectrometry in the near infrared, following excitation of the 5d1Πg state by optical-optical double resonance. They have been assigned as transitions to the 1 1Δg state from levels v=0 and 1 of a new ungerade Rydberg state, 5p1Πu. Quantum defect considerations indicate that the principal quantum number for this new state is 5, and that the assignment to 5p is compatible with a Rydberg series of which the lowest members would be the B1Πu and C1Πu states. |
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| Keywords: | Lithium dimer 5p1Πu Ungerade Rydberg state Collisionally induced fluorescence Excited electronic state Fourier transform spectrometry |
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