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- W. Promdee, T.R. Edgecock
IIAA, Huddersfield, United Kingdom
- G.E. Boorman
Royal Holloway, University of London, Surrey, United Kingdom
- G.E. Boorman
JAI, Egham, Surrey, United Kingdom
- T.R. Edgecock, J.K. Pozimski
STFC/RAL, Chilton, Didcot, Oxon, United Kingdom
- A.P. Letchford
STFC/RAL/ISIS, Chilton, Didcot, Oxon, United Kingdom
- J.K. Pozimski
Imperial College of Science and Technology, Department of Physics, London, United Kingdom
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A Radio Frequency Quadrupole (RFQ) is a part of the Front End Test Stand (FETS) at the Rutherford Appleton Laboratory (RAL), Didcot, UK. The aim of the FETS project is to produce a 60 mA H− beam at 3 MeV. The RFQ is a four-vane type with 4 modules, each of 1 m length, and is designed to accelerate the beam from 65 keV to 3 MeV at 324 MHz. A bead pull system has been designed to measure the field along the RFQ. This will be used in conjunction with 64 tuners to produce a uniform field. In order to optimise the tuning procedure, a model of the RFQ has been creat-ed in COMSOL Multiphysics. This study shows the results from the bead pull measurements and the tuning studies.
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