Vol. 11, issue 04, article # 6

pdf Ulenikov O. N., Yurchenko S. N. Method for determination of fundamental characteristics of diatomic molecules from their vibrational-rotational spectra. // Atmospheric and oceanic optics. 1998. V. 11. No. 04. P. 296-300.
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We propose a scheme for studying the effects of high-order corrections to the perturbation theory (PTH) on the solution of inverse spectroscopic problem. The effect of PTH-corrections is demonstrated for the case of diatomic molecules at different values of the vibrational and rotational quantum numbers, as an example. The effect that may produce truncating of the Danham series expansion of the potential function on the calculated results is analyzed.