Vibrational energy transfer in polyatomic molecule collisions. II. Role of multiquantum transitions during very energetic collisions

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Abstract
In a previous paper the processes of vibration energy transfer during a collision between two polyatomic molecules were studied using an operational calculation approach. This has enabled us to present analytical expressions for the probabilities of various events occuring during the collision of two diatomic molecules. A comparison with previous numerical calculations confirms the presence and the influence during these transfers of mechanisms which alter the characteristics of the nonperturbed oscillators and of multiquantum transitions.