Synopsis
We have measured the photoelectron emission and dissociation of water in the gas phase following double photoionization by a 57 eV photon. The momenta of the resulting dication ion fragments and electrons were measured in coincidence with Cold Target Recoil Ion Momentum Spectroscopy (COLTRIMS). The dissociation dynamics following the photoionization process show a marked dependence on both bond angle and kinetic energy release distribution among the fragments.
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