Vibrational-rotational energy transfer in collisions of HF (v=4, J=20) with rare gases

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Abstract
State‐to‐state energy transfer cross sections for He and Ne+HF(v=4, J=20) at 0.2 eV initial relative translational energy were computed using quasiclassical trajectories. These results are compared with previously published results for Ar+HF at the same initial conditions. The results show that the number of final J states populated in a given final v state increases and that the magnitudes of the state‐to‐state cross sections decreases as the size of the rare gas atom decreases. The cross sections for vibrational transitions are not sensitive to the size of the rare gas atom.