| Paper |
Title |
Page |
| THPP024 |
Detailed Study of the RF Properties of the FETS RFQ Cold Model
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3422 |
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- S. Jolly, A. Kurup, D. A. Lee, J. K. Pozimski, P. Savage
Imperial College of Science and Technology, Department of Physics, London
- Y. Cheng
IHEP Beijing, Beijing
- A. P. Letchford
STFC/RAL, Chilton, Didcot, Oxon
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A 324MHz four vane RFQ cold model has been built, as part of the development of a proton driver Front End Test Stand (FETS) at the Rutherford Appleton Laboratory (RAL) in the UK. Previous measurements to determine the electric field profile were made using the bead-pull perturbation method: these measurements have been refined and expanded. New measurements of the electric field profile, Q-value and resonant modes are presented. Measurements of the fundamental frequency and Q-value of the RFQ as a result of modifications to the profile of the end flange inserts are also given. Finally, an experiment is outlined to determine the beam transmission properties of the cold model based on beam transport simulations with the General Particle Tracer package (GPT).
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| THPP029 |
Status of the RAL Front End Test Stand
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3437 |
| |
- A. P. Letchford, M. A. Clarke-Gayther, D. C. Faircloth, D. J.S. Findlay, S. R. Lawrie, P. Romano, P. Wise
STFC/RAL/ISIS, Chilton, Didcot, Oxon
- S. M.H. Al Sari, S. Jolly, A. Kurup, D. A. Lee, P. Savage
Imperial College of Science and Technology, Department of Physics, London
- J. Alonso, R. Enparantza
Fundación Tekniker, Elbr (Guipuzkoa)
- J. J. Back
University of Warwick, Coventry
- F. J. Bermejo
Bilbao, Faculty of Science and Technology, Bilbao
- C. Gabor, D. C. Plostinar
STFC/RAL/ASTeC, Chilton, Didcot, Oxon
- J. Lucas
Elytt Energy, Madrid
- J. Pasternak, J. K. Pozimski
STFC/RAL, Chilton, Didcot, Oxon
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High power proton accelerators (HPPAs) with beam powers in the several megawatt range have many applications including drivers for spallation neutron sources, neutrino factories, waste transmuters and tritium production facilities. The UK's commitment to the development of the next generation of HPPAs is demonstrated by a test stand being constructed in collaboration between RAL, Imperial College London, the University of Warwick and the Universidad del Pais Vasco, Bilbao. The aim of the RAL Front End Test Stand is to demonstrate that chopped low energy beams of high quality can be produced and is intended to allow generic experiments exploring a variety of operational conditions. This paper describes the current status of the RAL Front End Test Stand.
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