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@inproceedings{wang:linac2022-tupoge18, author = {H. Wang and U. Ratzinger and M. Schuett}, title = {{Operations of Copper Cavities at Cryogenic Temperatures}}, booktitle = {Proc. LINAC'22}, % booktitle = {Proc. 31st International Linear Accelerator Conference (LINAC'22)}, pages = {533--536}, eid = {TUPOGE18}, language = {english}, keywords = {cavity, cryogenics, vacuum, coupling, experiment}, venue = {Liverpool, UK}, series = {International Linear Accelerator Conference}, number = {31}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {09}, year = {2022}, issn = {2226-0366}, isbn = {978-3-95450-215-8}, doi = {10.18429/JACoW-LINAC2022-TUPOGE18}, url = {https://jacow.org/linac2022/papers/tupoge18.pdf}, abstract = {{This work is focused on the anomalous skin effect in copper and how it affects the efficiency of copper-cavities in the temperature range 40-50 K. The quality factor Q of three coaxial cavities was measured over the temperature range from 10 K to room temperature in the experiment. The three coaxial cavities have the same structure, but different lengths, which correspond to resonant frequencies: around 100 MHz, 220 MHz and 340 MHz. Furthermore, the effects of copper-plating and additional baking in the vacuum oven on the quality factor Q are studied in the experiment. The motivation is to check the feasibility of an efficient, pulsed, ion linac, operated at cryogenic temperatures.}}, }