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Dissociative recombination with ion storage rings.
1Department of Physics, Stockholm University, PO Box 6730, Stockholm, S-113 85 Sweden. mats.larsson@physto.se
Annual Review of Physical Chemistry
|January 1, 1997
Summary
High-quality, internally cold molecular ion beams are now produced using heavy-ion storage-cooler rings. This enables detailed studies of electron-molecular ion collisions, including dissociative recombination, with high precision.
Area of Science:
- Atomic and molecular physics
- Accelerator physics
Background:
- Heavy-ion storage-cooler rings enable production of high-quality molecular ion beams.
- These beams are internally cold, exhibiting low divergence and small cross-sectional area.
Purpose of the Study:
- To investigate dissociative recombination of cold molecules.
- To study cross sections, branching ratios, and angular distributions in electron-molecular ion collisions.
Main Methods:
- Utilizing stored molecular-ion beams immersed in a cold electron bath.
- Employing the electron cooler as a target for collision experiments.
Main Results:
- Achieved unprecedented luminosity for collision experiments.
- Enabled detailed measurements of dissociative recombination parameters.
Conclusions:
- Heavy-ion storage-cooler rings provide a powerful platform for studying cold molecular ion dynamics.
- This technique significantly advances the understanding of electron-molecular ion interactions.