ROTATIONAL ANALYSIS OF THE MOLECULAR HYDROGEN TRIPLET 3s,d COMPLEX REVISITED
Résumé
The emission spectrum of neutral diatomic hydrogen has been recorded at Doppler width limited resolution by Fourier transform spectroscopy in the spectral range 1800 - 22500 cm-1. Rotational analysis of the triplet systems involving the electronic states c 3Πu , a 3Σ+g, e 3Σ+u, and the 3s,d complex has been carried out in order to determine precise rovibronic energies (with v = 0 to 3) of the 3s,d complex. This new observation agrees with the earlier calculations [3,4,5] within a few cm-1 and corrects incorrect 'observed' level energies published for v = 2 and 3, h(3s) 3Σ+g in [1,2] and [2] by about 50 and 90 cm-1 respectively.
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