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Vibrational Distributions of CS^+(B^2Σ^+) Produced from Dissociative Charge-Transfer Reactions of He^+ with CS_2 and OCS at Thermal Energy

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Abstract The CS^+(B^2Σ^+-A^2Π_i) emissions have been observed from dissociative charge-transfer reactions of He^+ with CS_2 and OCS in a helium afterglow. The vibrational distribution of CS^+(B) has a peak at ...v'=1 or 2 for both reactions. The average fraction of the total excess energy deposited into vibration of CS^+(B) was estimated to be≤13%, indicating that almost all excess energy is partitioned into the relative translational energy of the products. The higher vibrational excitation than the statistical prediction led us to conclude that CS^+(B) is formed directly through short lived intermediates.show more

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Created Date 2009.04.22
Modified Date 2022.08.19

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