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physics.acc-ph2025
Report on first plasma processing trial for a FRIB quarter-wave resonator cryomodule
Walter Hartung, Wei Chang, Yoo-Lim Cheon +6
Plasma processing has been shown to help mitigate degradation of the performance of superconducting radio-frequency cavities, providing an alternative to removal of cryomodules fro…
physics.acc-ph2025
Plasma Processing of FRIB Low-Beta Cryomodules using Higher-Order-Modes
P. Tutt, W. Chang, K. Elliott +4
Improvement in SRF accelerator performance after in-tunnel plasma processing has been seen at SNS and CEBAF. Plasma processing development for FRIB quarter-wave and half-wave reson…
physics.acc-ph2025
Improved high-gradient performance for medium-velocity superconducting half-wave resonators: Surface preparation and trapped flux mitigation
Yuting Wu, Kenji Saito, Alex Taylor +13
A development effort to improve the performance of superconducting radio-frequency half-wave resonators (SRF HWRs) is underway at the Facility for Rare Isotope Beams (FRIB), where…