Observation et Classification du Spectre d'Arc du Tellure (Te I) entre 3 678 et 11 761 cm-1

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Abstract
The spectrum emitted by an electrodeless discharge tube filled with pure 130Te has been investigated by Fourier transform spectroscopy. The observations have led to a list of wavenumbers and estimated intensities for 277 lines in the range 3 678 to 11 761 cm-1. Zeeman structures for 90 lines were studied. 70 levels, 65 of them being new, have been found and 170 lines have been classified. For these levels the energy is given with an accuracy equal to 0.005 cm-1. Landé factors for 46 levels have been measured with an accuracy up to 0.003 U.L. Parametric studies performed on 5s 25p 3-(6s+7s+5d+6d) configurations on the one hand and on 5s 25p 3(6p+7p) on the other hand, give a good interpretation for most of the levels; the r.m.s. deviation of the level energy between theory and experiment is equal to roughly 30 cm-1.