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Persistent URL http://purl.org/net/epubs/work/34047792
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Record Id 34047792
Title Dark Current Studies in the CLARA Front-End Injector
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Abstract At STFC Daresbury a new facility CLARA (Compact Linear Accelerator for Research and Applications) is being designed and constructed. The principal aim of CLARA is advanced Free Electron Laser research. Halo and dark current in CLARA is a concern for damage to the undulator, and other applications of the machine. Recently the front end (gun, diagnostics, first linac) of CLARA has been installed including some collimation to mitigate halo effects. Beam halo may arise from gun field emission or due to beam dynamics in the early stages of acceleration, which may achieve the same energy as the core beam and thus may be transported to the undulator. The code CST is used to study the gun field emission. The code ASTRA is used to study the transport of field emission through the front end, including the effectiveness of collimators. Machine measurements of dark current are compared against these simulations.
Organisation ASTeC , CI , STFC
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Language English (EN)
Type Details URI(s) Local file(s) Year
Paper In Conference Proceedings In 8th International Particle Accelerator Conference (IPAC'17), Copenhagen, Denmark, 14-19 May 2017, (2017): 2779-2782. http://accelconf.…/papers/wepab088.pdf 2017
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