Probabilities for electronic transitions of molecular system of high-temperature air components. 1.The Schuman-Runge System of the O2 and the first positive system of the N2-moleculeстатья
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Аннотация:The results for absolute and relative probabilities for electronic transitions of the Schumann-Runge system of the O2-molecule and the first positive system (1+) of the N2-molecule published elsewhere have been critically analyzed. For the S-R system, statistical processing of the experimental results for absolute and relative probabilities on a joint basis made it possible to establish a new dependence of the electronic transition strength on the internuclear separations Se(rv′v″), which reliably describes the behaviour of Se over the whole spectral range. For the (1+) system of the N2-molecule, it has been shown that none of the published dependences Se(rv′v″) provide acceptable fits to the measured results on absolute intensities and life-times. In practical calculations, one should use the dependence given in Ref. 41, which is derived from relative intensities and corroborated by absolute intensity measurements.