Radio-frequency He/sup -/ source and a source of negative ions by cesium sputtering
Conference
·
OSTI ID:5220778
Two sources of negative ions are described. An rf source produces up to 14 ..mu..A beams of He/sup -/ by charge exchange in Rb vapor. The other Source of Negative Ions by Cesium Sputtering (SNICS) produces a wide variety of negative ion beams in the ..mu..A range. Two important features of SNICS are its simple, compact construction and its very good beam emittance (2 to 4 ..pi..mm mrad MeV/sup 1/). Both sources have lifetimes >200 hours and they are used extensively on the Wisconsin EN tandem.
- Research Organization:
- Wisconsin Univ., Madison (USA)
- DOE Contract Number:
- AC02-76ER00007
- OSTI ID:
- 5220778
- Report Number(s):
- DOE/ER/00007-931; CONF-801111-59; ON: DE82011121
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
43 PARTICLE ACCELERATORS
430301* -- Particle Accelerators-- Ion Sources
ACCELERATORS
ALKALI METALS
ANIONS
BEAM CURRENTS
BEAM EMITTANCE
CESIUM
CHARGE EXCHANGE
CHARGED PARTICLES
COPPER IONS
CURRENTS
DESIGN
ELECTROSTATIC ACCELERATORS
ELEMENTS
HELIUM IONS
ION SOURCES
IONS
METALS
MICRO AMP BEAM CURRENTS
PERFORMANCE
RUBIDIUM
SPUTTERING
TANDEM ELECTROSTATIC ACCELERATORS
430301* -- Particle Accelerators-- Ion Sources
ACCELERATORS
ALKALI METALS
ANIONS
BEAM CURRENTS
BEAM EMITTANCE
CESIUM
CHARGE EXCHANGE
CHARGED PARTICLES
COPPER IONS
CURRENTS
DESIGN
ELECTROSTATIC ACCELERATORS
ELEMENTS
HELIUM IONS
ION SOURCES
IONS
METALS
MICRO AMP BEAM CURRENTS
PERFORMANCE
RUBIDIUM
SPUTTERING
TANDEM ELECTROSTATIC ACCELERATORS