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H– beam transport experiments in a solenoid low energy beam transport
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Gabor, C., Back, J. J., Faircloth, D. C., Izaola, Z., Lawrie, S. R. and Letchford, A. P. (2012) H– beam transport experiments in a solenoid low energy beam transport. Review of Scientific Instruments, Vol.83 (No.2). 02B719. doi:10.1063/1.3678656 ISSN 0034-6748.
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Official URL: http://dx.doi.org/10.1063/1.3678656
Abstract
The Front End Test Stand (FETS) is located at Rutherford Appleton Laboratory and aims for a high current, fast chopped 3MeV H - ion beam suitable for future high power proton accelerators like ISIS upgrade. The main components of the front end are the Penning ion source, a low energy beam transport line, an radio-frequency quadrupole (RFQ) and a medium energy beam transport (MEBT) providing also a chopper section and rebuncher. FETS is in the stage of commissioning its low energy beam transport (LEBT) line consisting of three solenoids. The LEBT has to transport an H - high current beam (up to 60 mA) at 65 keV. This is the injection energy of the beam into the RFQ. The main diagnostics are slit-slit emittance scanners for each transversal plane. For optimizing the matching to the RFQ, experiments have been performed with a variety of solenoid settings to better understand the actual beam transport. Occasionally, source parameters such as extractor slit width and beam energy were varied as well. The paper also discusses simulations based on these measurements. © 2012 American Institute of Physics.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Review of Scientific Instruments | ||||
Publisher: | American Institute of Physics | ||||
ISSN: | 0034-6748 | ||||
Official Date: | February 2012 | ||||
Dates: |
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Volume: | Vol.83 | ||||
Number: | No.2 | ||||
Page Range: | 02B719 | ||||
DOI: | 10.1063/1.3678656 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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