Heavy ion fusion injector experiments
Conference
·
OSTI ID:10180952
- Lawrence Berkeley Lab., CA (United States)
- Lawrence Livermore National Lab., CA (United States)
We report on three experiments performed in connection with the 2 MV electrostatic quadrupole (ESQ) injector under construction at Lawrence Berkeley Laboratory. Scaled experiments have been conducted to study possible beam emittance growth due to beam aberrations in an ESQ injector. The experiment uses the SBTE (Single Beam Transport Experiment) accelerator system, quarter-scale ESQ setup and a potassium ion diode source. Measured emittance growth changes significantly with variations in current and diode energy, in good agreement with theoretical predictions. In addition, beam transport experiments were performed in a 1 MV axisymmetric electrostatic aperture column using a zeolite 1 inch diameter potassium ion source. Experimental measurements in good agreement with 2-1/2 D simulations showed that low emittance beams can be produced in axisymmetric structures. Finally, ESQ breakdown voltage tests without beam were performed at up to two times the quadrupole working voltage.
- Research Organization:
- Lawrence Berkeley Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 10180952
- Report Number(s):
- LBL--33801; CONF-9305136--14; ON: DE93019188
- Country of Publication:
- United States
- Language:
- English
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