Rotational and vibrational distributions of N2(C 3Πu) excited by state-selected Ar(3P2) and Ar(3P0) metastable atoms |
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Authors: | TD Nguyen N Sadeghi |
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Institution: | Laboratoire de Spectrométrie Physique. Université Scientifique et Médicale de Grenoble. B.P. no. 68. 38402 Saint-Martin d''Hères Cedex, France |
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Abstract: | The ESR method is used to study the oxidation kinetics of the CH3, C2H5, n-C4H9, i-C4H9, s-C4H9, t-C4H9, n-C6H13, C6H11, C6H5CH2, CH3C6H4CH2, and C6H5CH2CH2 radicals in methanol matrix at 87 K. The reaction kinetics are shown to be describable in terms of a time-dependent rate constant k(t). The contribution from the matrix relaxation to k(t) has been determined. The oxidation rate and the shape of the kinetic curve are independent of the type of the radical. Models interpreting the experimental data are discussed. |
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