COLLISIONAL PROCESSES INVOLVING SIZE-SELECTED SODIUM-CLUSTER IONS

Author:

TANAKA H.1,MIZUNO T.1,HIROKAWA J.1,NONOSE S.1,KONDOW T.1

Affiliation:

1. Department of Chemistry, School of Science, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan

Abstract

Collision-induced reactions of [Formula: see text](n=2–9) with Ne and Kr were investigated by means of a Tandem mass spectrometer equipped with octapole ion guide. The dominant processes were evaporation of a Na atom from [Formula: see text] with even sizes or Na 2 molecules from those with odd sizes. The absolute cross section for the reaction was measured as functions of the parent-cluster size and the collision energy. The branching fractions of the daughter-ion production were also determined. These results are interpreted in a scheme of a pair interaction in jellium background.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

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