The analysis of anisotropic photodissociation time-of-flight data obtained from a rotating source machine

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Abstract
The importance of the anisotropy of a photodissociation process on the observed time-of-flight spectrum obtained with a rotating source machine is demonstrated and a methodology for evaluating the dependence of the anisotropy beta parameter on the recoil velocity (and thus the internal state of the fragment) is demonstrated for the photolysis of CS2 at 193 nm and CF3I at 248 nm. The effects on the observed scattering of more than one dissociation pathway and the role of more than one electronic surface in the dissociation process are considered.