| Paper |
Title |
Page |
| MOPRI014 |
Extracting a High Current Long Pulse Hminus Beam for FETS |
611 |
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- D.C. Faircloth, M. Cannon, S.R. Lawrie, M. Perkins
STFC/RAL/ISIS, Chilton, Didcot, Oxon, United Kingdom
- C. Gabor
STFC/RAL/ASTeC, Chilton, Didcot, Oxon, United Kingdom
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The Front End Test Stand (FETS) at the Rutherford Appleton Laboratory (RAL) requires a 60 mA 2 ms 50 Hz Hminus beam. A Penning Surface Plasma Source is used to produce the beam. This paper gives the latest results obtained using a new 25 kV long pulse extraction power supply designed and built at RAL. Power supply performance, beam current and emittance are detailed.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRI014
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| MOPRI015 |
Installing the VESPA H− Ion Source Test Stand at RAL |
614 |
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- S.R. Lawrie, D.C. Faircloth, A.P. Letchford, M. Perkins, M. Whitehead, T. Wood
STFC/RAL/ISIS, Chilton, Didcot, Oxon, United Kingdom
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A Penning-type negative hydrogen (H) ion source has been used reliably on the ISIS pulsed spallation neutron and muon facility at the Rutherford Appleton Laboratory (RAL) in the UK for almost 30 years. However a detailed study of the ion source plasma and extraction has never been undertaken. If these properties were known, the beam emittance and losses due to collimation could be reduced, and the lifetime increased. This paper summarises the progress made on installing a Vessel for Extraction and Source Plasma Analyses (VESPA) to fill the knowledge gap.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRI015
|
|
| Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
|
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| |