publication . Doctoral thesis . 2007

Dynamics of gas-phase transient species studied by dissociative photodetachment of molecular anions

Lu, Zhou;
Open Access
  • Published: 01 Jan 2007
  • Publisher: eScholarship, University of California
  • Country: Mexico
Abstract
Gas-phase transient species, such as the CH₃CO₂ and HOCO free radicals, play important roles in combustion and environment chemistry. In this thesis work, the dynamics of these two radicals were studied by dissociative photodetachment (DPD) of the negative ions, CH₃CO₂-С and HOCO⁻, respectively. The experiments were carried out with a fast-ion-beam photoelectron-photofragment coincidence (PPC) spectrometer. Mass-selected molecular anions in a fast ion beam were intercepted by a linearly polarized laser pulse. Three dimensional velocities of the resulting photoelectron and photofragments were measured in coincidence by time- and position-sensitive detectors, prov...
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