Medium Temperature Furnace Baking of Low-beta 650 MHz Five-cell Cavities
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ID: 283062
2023
Medium Temperature baking of low beta 650 MHz cavities was conducted in a UHV furnace. A systematic study of cavity surface resistance components, residual and BCS, was conducted, including analyzing surface resistance due to trapped magnetic flux. Cavities showed an average 4.5 nano-ohm surface resistance at 17 MV/m under 2 K, which meets PIP-II specifications with a 40% margin. The results provided helpful information for the PIP-II project to optimize the cavity processing recipe for cryomodule application. The results were compared to the 1.3 GHz cavity that received a similar furnace baking.
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| Authors | G. Wu; S. Posen; V. Chouhan; A. Netepenko; F. Furuta; G. Eremeev; K. McGee; H. Park; S. Chandrasekaran; J. Ozelis; A. Murthy |
| Journal | Medium Temperature Furnace Baking of Low-beta 650 MHz Five-cell Cavities |
| Year | 2023 |
| DOI | 10.2172/1988499 |
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