Production of Slow Atoms by Dissociative Ionization
Abstract
Velocity map imaging was used to measure the velocity distributions of iodine atoms produced in the photodissociation of I_2, CH_3I, and C_6H_5I molecules. The iodine atom images displayed a sharp peak near zero velocity at various excitation energies, with laser intensities on the order of 10^11 W/cm^2. It is argued that in the case of I_2, and possibly for the other molecules as well, the slow fragments are produced by a dissociative ionization mechanism, with the escaping electron carrying off most of the available energy.
- Publication:
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APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts
- Pub Date:
- June 2000
- Bibcode:
- 2000APS..DMP..H201G