Production and Relaxation of Negative Cluster Ions by Use of High-Rydberg Rare Gas Atoms
Electron attachment to a van der Waals cluster leading to formation of a cluster anion has attracted much attention, since it provides valuable information on the dynamical processes characteristic of cluster systems, which are related closely to those encountered in particle collisions in the gas phase and in relaxation processes in the condensed phase. Studies of electron attachment phenomena have recently made remarkable progress, partly because of the advancement in techniques for efficient production of cluster anions.1–5) We have developed a novel method of gentle and efficient production of cluster anions by transfer of the outermost electron (Rydberg electron) of a high-Rydberg rare gas atom to a van der Waals cluster and applied this method to a variety of van der Waals cluster systems.1) In the present paper, we describe the essential features of the experimental techniques and recent results.
KeywordsCluster System Threshold Size Cluster Anion Electron Attachment Escape Time
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