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R.E. Continetti, "Photoelectron-Photofragment Coincidence Studies of Dissociation Dynamics.", Int. Rev. Phys. Chem. 17, 227-260 (1998). |
| Important insights into the energetics and dynamics of transient molecules and clusters have been obtained from studies of the photodetachment of negative ions. When photodetachment produces a neutral in a metastable or dissociative state, further information can be obtained by studying the subsequent dissociation dynamics of the molecule. This can be done by measuring the photoelectron kinetic energy and the photofragment translational energy release in coincidence. Energy and angle resolved measurements of this type are now possible in photoelectron-photofragment coincidence experiments. The photoelectron-photofragment coincidence technique is reviewed and the DPD dynamics of O4-, O3-, NO-(N2O) and N3O2- are discussed. These systems provide examples of direct and sequential dissociative photodetachment processes, along with the application to the study of isomeric forms of molecular and cluster anions. |
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