Front End Test Stand Project Coordination

Lead Research Organisation: Science and Technology Facilities Council
Department Name: UNLISTED


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Description CERN 
Organisation European Organization for Nuclear Research (CERN)
Country Switzerland 
Sector Academic/University 
PI Contribution Exchange of information including technical drawings on beam transport and diagnostic devices with the Instrumentation and Linac 4 group. Installation of FETS laser system at Linac4, first measurements of H- beam profile and beam emittance in Europe using this novel technique. Measurements at 12 MeV and 50 MeV followed . Measurements campaigns helped to strengthen links to CERN and feeds into built and comission a similar system at FETS with options to be used at ISIS in the future. Following the successful first measurements of the LINAC4 beam emittance at 12 MeV using photodetachment a n extension of the collaboration to include the development of a longitudinal emittance measurement device has been discussed with CERN representatives. Latest extension is on the information exchange on fast chopping structures (since end of 2015). In 2016 the collaboration has been working on the Laser wire setup and the fast chopping device. Laser wire measurements have been performed on Linac 4
Collaborator Contribution Exchange of information including technical drawings on beam transport and diagnostic devices with the Instrumentation and Linac 4 group. CERN did make significant contributions to the design of the FETS chopper device (electromagnetic design and mechanical design) using their expertise in running the LINAC4 chopper device.
Impact BPM design - experimental comparison of stripline and button BPM at FETS.
Start Year 2012
Description EssBilbao 
Organisation ESS-Bilbao
Country Spain 
Sector Charity/Non Profit 
PI Contribution Software and hardware expertise to optimise the design of accelerator beam delivery systems.
Collaborator Contribution Construction of the magnetic solenoids for the front end test stand proton beam transport system.
Impact Several conference proceedings reports, furthering knowledge of the design of front end beam delivery systems: "Commissioning of the low energy beam transport of the Front End Test Stand", "First LEBT simulations for the Bilbao accelerator ion source test stand".
Start Year 2007
Description PASI 
Organisation Fermilab - Fermi National Accelerator Laboratory
Country United States 
Sector Public 
PI Contribution Exchange of information and `staff. Measurement on lifeftime of scintillators for intense H- beam. Exchange on performance and lifetime of H- ion sources, low energy space charge compensated transport, RF structures & distribution, beam choppers, Laser diagnostics.
Collaborator Contribution Measurements made at Fermilab on their HINS front end. Information exchange. Exchange on ion source performance and upgrades. Exchange on choppers. Exchange of information concerning the implementation of accelerator devices based on Lasers (Laser notchers, Laser diagnostics)
Impact liftetime of scintillators seems no longer an issue for FETS, contributions to the accelerator upgrade for the DUNE project is under discussion.
Start Year 2012