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The RAL Front End Test Stand.

The RAL Front End Test Stand. Alan Letchford. The RAL Front End Test Stand (FETS) is part of CCLRC’s contribution to generic high power accelerator R&D.

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The RAL Front End Test Stand.

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  1. The RAL Front End Test Stand. Alan Letchford

  2. The RAL Front End Test Stand (FETS) is part of CCLRC’s contribution to generic high power accelerator R&D. Specifically the FETS will demonstrate some key technologies associated with the front end of the next generation of spallation sources, neutrino factory, waste transmuters, tritium production …

  3. The beginnings of FETS were in the European Spallation Source (ESS) project which identified the front end and specifically the chopper as key R&D. CCLRC/RAL continued to support the chopper developments through HIPPI and the need for a facility for beam tests of the chopper became clear. FETS was born and the goals extended to demonstrating front end technology for a range of future HPPAs.

  4. Although generic in nature FETS is currently being supported as part of the proton driver studies for the UK Neutrino Factory (UKNF) and a forms the basis for possible future linac upgrades to the ISIS facility. FETS is also directly applicable to future long and short pulse ESS scenarios.

  5. The FETS is a collaborative effort between • CCLRC RAL ISIS • CCLRC ASTeC Intense Beams Group • Department of Physics, Imperial College London • Department of Physics, University of Warwick • University of the Basque Country, Spain

  6. FETS main components: • High brightness H- ion source. • Magnetic Low Energy Beam Transport (LEBT). • High current, high duty factor Radio Frequency Quadrupole (RFQ). • Very high speed beam chopper. • Comprehensive diagnostics. Chopper

  7. The FETS specification: 60 mA H- ion source 65 keV 3 solenoid magnetic LEBT 324 MHz, 3 MeV RFQ High speed beam chopper & MEBT Conventional and non-destructive diagnostics Up to 2 ms pulse length Up to 50 pps rep. rate ‘Perfect’ chopping

  8. The FETS team John Back (Warwick) Aaron Cheng (Imperial) Mike Clarke-Gayther (ISIS/ASTeC) Adeline Daly (ISIS) Dan Faircloth (ISIS) Christoph Gabor (ASTeC) Simon Jolly (Imperial) Ajit Kurup (Imperial) David Lee (Imperial) Alan Letchford (ISIS) Ciprian Plostinar (ASTeC) Jürgen Pozimski (ASTeC/Imperial) Peter Savage (Imperial)

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