The Status Of The Sns External Antenna Ion Source And Spare Rfq Test Facility
REVIEW OF SCIENTIFIC INSTRUMENTS(2016)
摘要
The Oak Ridge National Laboratory operates the Spallation Neutron Source, consisting of a H- ion source, a 1 GeV linac and an accumulator ring. The accumulated < 1 mu s-long, similar to 35 A beam pulses are extracted from the ring at 60 Hz and directed onto a liquid Hg target. Spalled neutrons are directed to similar to 20 world class instruments. Currently, the facility operates routinely with similar to 1.2 MW of average beam power, which soon will be raised to 1.4 MW. A future upgrade with a second target station calls for raising the power to 2.8 MW. This paper describes the status of two accelerator components expected to play important roles in achieving these goals: a recently acquired RFQ accelerator and the external antenna ion source. Currently, the RFQ is being conditioned in a newly constructed 2.5 MeV Integrated Test Facility (ITF) and the external antenna source is also being tested on a separate test stand. This paper presents the results of experiments and the testing of these systems. (C) 2016 AIP Publishing LLC.
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关键词
spare rfq test facility,external antenna ion source,sns
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