Temperature dependent product yields for the spin forbidden singlet channel of the C(3P) + C2H2 reaction - Université de Bordeaux
Article Dans Une Revue Chemical Physics Letters Année : 2016

Temperature dependent product yields for the spin forbidden singlet channel of the C(3P) + C2H2 reaction

Résumé

The atomic hydrogen formation channels of the C + C2H2 reaction have been investigated using a continuous supersonic flow reactor over the 52-296 K temperature range. H-atoms were detected directly at 121.567 nm by vacuum ultraviolet laser induced fluorescence. Absolute H-atom yields were determined by comparison with the H-atom signal generated by the C + C2H4 reaction. The product yields agree with earlier crossed beam experiments employing universal detection methods. Incorporating these branching ratios in a gas-grain model of dense interstellar clouds increases the c-C3H abundance. This reaction is a minor source of C3-containing molecules in the present simulations.
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Dates et versions

hal-01358255 , version 1 (11-10-2024)

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Kevin M., Hickson, Jean-Christophe, Loison, Valentine Wakelam. Temperature dependent product yields for the spin forbidden singlet channel of the C(3P) + C2H2 reaction. Chemical Physics Letters, 2016, 659, pp.70 - 75. ⟨10.1016/j.cplett.2016.07.004⟩. ⟨hal-01358255⟩
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