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State to state He–CO rotationally inelastic scattering
Journal of Chemical Physics
Relative integral cross sections for rotational excitation of CO in collisions with He were measured at energies of 72 and 89 meV. The cross sections are sensitive to anisotropy in the repulsive wall of the He-CO interaction. The experiments were done in crossed molecular beams with resonance enhanced multiphoton ionization detection. The observed cross sections display interference structure at low ⌬ j, despite the average over the initial CO rotational distribution. At higher ⌬ j, the crossdoi:10.1063/1.477943 fatcat:3nn5kvx7yvg67momwiqf37hrse