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North, M. R.W.

Paper Title Page
FRPMN089 Facility Wide Real-Time Beam Loss Monitoring & Control using FPGA Technology 4282
  • M. R.W. North
    STFC/RAL/ISIS, Chilton, Didcot, Oxon
  The ISIS facility based at Rutherford Appleton Laboratory, Chilton, Didcot, UK is currently the worlds brightest pulsed Neutron Spallation Source producing a beam to target power of 160kW. It is critical during machine operation to reduce activation of machine components by monitoring and controlling beam losses. Beam loss detection is provided using a total of 82 gas ionisation chambers distributed throughout the Injector, 800MeV Synchrotron, the Extracted Proton Beamline and the new Extracted Proton Beamline for TS2. This paper outlines the design of a new Beam Loss Display and Beam Trip Unit which uses a high speed FPGA design to provide real time monitoring, beam loss data logging and increased beam trip reaction time.