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Development of the front end test stand and vessel for extraction and source plasma analyses negative hydrogen ion sources at the Rutherford Appleton Laboratory
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Lawrie, S. R., Faircloth, D. C., Letchford, A. P., Perkins, M., Whitehead, M. O., Wood, T., Gabor, C. and Back, J. J. (2014) Development of the front end test stand and vessel for extraction and source plasma analyses negative hydrogen ion sources at the Rutherford Appleton Laboratory. Review of Scientific Instruments, Volume 85 (Number 2). Article number 02B127. doi:10.1063/1.4826109 ISSN 0034-6748.
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Official URL: http://dx.doi.org/10.1063/1.4826109
Abstract
The ISIS pulsed spallation neutron and muon facility at the Rutherford Appleton Laboratory (RAL) in the UK uses a Penning surface plasma negative hydrogen ion source. Upgrade options for the ISIS accelerator system demand a higher current, lower emittance beam with longer pulse lengths from the injector. The Front End Test Stand is being constructed at RAL to meet the upgrade requirements using a modified ISIS ion source. A new 10% duty cycle 25 kV pulsed extraction power supply has been commissioned and the first meter of 3 MeV radio frequency quadrupole has been delivered. Simultaneously, a Vessel for Extraction and Source Plasma Analyses is under construction in a new laboratory at RAL. The detailed measurements of the plasma and extracted beam characteristics will allow a radical overhaul of the transport optics, potentially yielding a simpler source configuration with greater output and lifetime.
Item Type: | Journal Article | ||||||||||
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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 2014 | ||||||||||
Dates: |
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Volume: | Volume 85 | ||||||||||
Number: | Number 2 | ||||||||||
Article Number: | Article number 02B127 | ||||||||||
DOI: | 10.1063/1.4826109 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access |
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