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Measurements of quenching rate coefficients of YO molecule in A2Π1/2, A2Π3/2, and B2Σ+ states by helium, argon and oxygen from a solar induced fluorescence technique
Published online by Cambridge University Press: 07 December 2007
Abstract
We measured in function of helium, argon, and oxygen gas pressure, the evolution of the intensities of the fluorescence spectra of YO molecule issuing from a liquid drop of yttrium oxide melted at the focus of a solar furnace. From this evolution and in a simplified approach assuming the independency of the three molecular systems of YO (A2Π1/2-X2Σ+, A2Π3/2-X2Σ+, B2Σ+-X2Σ+) we deduced, through the analysis of Stern-Volmer plots, a mean quenching rate coefficients of this molecule in these states by the above mentioned gases.
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- © EDP Sciences, 2007
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