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Conference Poster Year : 2005

THI safety system

Abstract

For several years, GANIL has been allowed to reach a maximum beam power of six kilowatts (400W in normal mode) thanks to the THI system (High Intensity Transport System). Three modes of running are necessary to accelerate a THI beam ("Injector" mode, "tuning" mode and "surveillance" mode). The "surveillance" mode requires a safety system to protect equipment against beam losses. Inside cyclotrons, diagnostics measure beam-loss currents at the injection and extraction devices. Along beam lines, diaphragms measure beam-loss currents at the input and output of dipoles. Current transformers are used for beam transmission measurements through beam lines and the cyclotrons. The safety system controls beam losses and quickly cuts the beam with a chopper if losses exceed thresholds. These thresholds can be seen and changed by software.
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Dates and versions

in2p3-00169968 , version 1 (05-09-2007)

Identifiers

  • HAL Id : in2p3-00169968 , version 1

Cite

C. Jamet, T. André, P. Anger, J.L. Baelde, C. Doutressoulles, et al.. THI safety system. 7th European workshop on beam diagnostics and instrumentation for particle accelerators, Sep 2005, Lyon, France. Joint Accelerator Conferences Website, pp.169-171, 2005. ⟨in2p3-00169968⟩
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