The Electron Beam Ion Trap: A New Instrument for Atomic Physics Measurements

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, , Citation Morton A Levine et al 1988 Phys. Scr. 1988 157 DOI 10.1088/0031-8949/1988/T22/024

1402-4896/1988/T22/157

Abstract

An electron beam ion trap has been built for the production of very-highly-charged ions and the study of their collisions with electrons. A high density electron beam is used to trap, ionize and excite the ions for spectroscopic measurements. X-ray spectra from neon-like Ba46+ are reported and a theory of "evaporative" cooling is developed to explain why these ions are retained in the trap for surprisingly long times.

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10.1088/0031-8949/1988/T22/024