Accelerators 2016
Highlights and Annual Report
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Beschreibung
In 2016, DESY’s accelerator activities culminated in the completion of the construction of the linear accelerator for the European XFEL X-ray laser. After the installation work in the 2.1 km long accelerator tunnel was essentially finished in November, the tunnel was closed and the cool-down procedure for the 96 superconducting, 12 m long accelerator modules began. By the end of the year, all helium tanks of the almost 800 installed cavities were filled with liquid helium at a temperature of 4 K, ready for the final step to 2 K foreseen for the beginning of 2017. No serious vacuum breakdown occurred during the procedure, proving that thousands of welding seems had stayed tight and not developed any “cold leaks”.
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Accelerators 2016 Annual Report Highlights