| Abstract
| - In this work, we present an experimental study of the energy dependence of the photolysis of aqueous HOCland the subsequent recombination of the OH and Cl photofragments. Using femtosecond transient absorptionspectroscopy, we follow the time-dependent concentration of the fragments. The excess energy in the photolysisis given to the fragments as kinetic energy, and tuning the wavelength enables a study of the energy-dependentthermalization and geminate recombination of the fragments in the liquid environment. The recombinationyield and rate are governed by the initial fragment separation, and we deduce an approximately lineardependence of the fragment separation versus the kinetic energy with a slope of 0.13 nm/eV. Performing asimple MD simulation of the system gives qualitative agreement with the observations, although the calculatedslope is only 0.04 nm/eV.
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