The status of the Electron Beam Ion Sources
More than twenty years after its invention, 13 examples of the Electron Beam Ion Sources (EBIS) are in operation worldwide. The substantial progress in operation and insight, achieved over the last few years, made the EBISes become reliable tools for the production of beams of very highly charged, low-energy ions. For example, 8 EBISes produce bare argon on a standard basis. The successful production of hydrogen-like xenon presents the ions with the highest ionization energy, whereas the production of Th80+ presents the highest achieved charge state. Several synchrotrons are fed by EBIS injectors, taking advantage of the EBIS batch mode production, which yields the highest charge states. A few EBISes are used for ion source development. However, most of the EBISes` efforts are directed to research the physics of highly charged ions. Some of those are used to study the electron--ion interaction inside the source. But normally, most EBISes deliver the ions for external experiments, which so far concentrate on the recombination of the highly charged ions with atoms, molecules and surfaces. The ions are typically produced at a potential of 1 to a few kilovolts per charge; but in most cases, the EBIS is mounted on a high voltage platform or is followed by an RFQ, and therefore can generate ion energies from a few hundred volts up to a few hundred kilovolts per charge. The delivered beams have a low emittance and a low energy spread, which is an advantage for high-resolution experiments. This paper presents briefly all operational EBISes, their capabilities, their achievements, and their contribution to physics research. 5 figs., 1 tab., 59 refs.
- Research Organization:
- Kansas State Univ., Manhattan, KS (United States). J.R. MacDonald Lab.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-86ER13491
- OSTI ID:
- 10127103
- Report Number(s):
- DOE/ER/13491-476; CONF-900923-12; ON: DE93006802
- Resource Relation:
- Conference: 5. international conference on the physics of highly charged ions,Giessen (Germany),10-14 Sep 1990; Other Information: PBD: [1990]
- Country of Publication:
- United States
- Language:
- English
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