Velocity map imaging was used to study the photodissociation of propargyl bromide as well as the photoionization dynamics of the resulting propargyl radical . Images were recorded by using single-photon vacuum ultraviolet ionization of the propargyl radical and by using two-photon resonant, three-photon ionization of the ground state and spin-orbit excited atoms. Analysis of these data allowed the determination of the branching ratio as well as the photofragment angular distributions. Images of produced by the photodissociation of both and were recorded at several energies between 8.97 and , as well as at , and showed no obvious internal energy dependence of the relative photoionization cross sections.
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