Protection Related to High-power Targets

M.A. Plum

Abstract


Target protection is an important part of machine protection. The beam power in high-intensity accelerators is high enough that a single wayward pulse can
cause serious damage. Today’s high-power targets operate at the limit of available technology, and are designed for a very narrow range of beam parameters. If the beam pulse is too far off centre, or if the beam size is not correct, or if the beam density is too high, the target can be seriously damaged. We will start with a brief introduction to high-power targets and then move to a discussion of what can go wrong, and what are the risks. Next we will discuss how to control the beam-related risk, followed by examples from a few different accelerator facilities. We will finish with a detailed example of the Oak Ridge Spallation Neutron Source target tune up and target protection.

Keywords


Target protection; beam; proton; high-intensity.

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DOI: http://dx.doi.org/10.5170/CERN-2016-002.229

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