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High Q and high gradient performance of the first medium-temperature baking 1.3 GHz cryomodule
Jiyuan Zhai, Weimin Pan, Feisi He +36
World's first 1.3 GHz cryomodule containing eight 9-cell superconducting radio-frequency (RF) cavities treated by medium-temperature furnace baking (mid-T bake) was developed, asse…
Parasitic modes suppression in CW cold tests of 1.3 GHz 9-cell high Q cavities at IHEP
Zhenghui Mi, Feisi He, Weimin Pan +19
The CW RF test of 1.3 GHz 9-cell cavity in liquid helium bath at 2 K is a very important key point in the cavity procurement. Some problems can be found through the test, according…
Medium-temperature furnace bake of Superconducting Radio-Frequency cavities at IHEP
Feisi He, Weimin Pan, Peng Sha +16
Recently, heat treatment between 250 C and 500 C has been attempted to improve quality factor of superconducting radio-frequency cavities at FNAL and KEK. Experiments of such mediu…
Commissioning of te China-ADS injector-I testing facility
Fang Yan, Huiping Geng, Cai Meng +58
The 10 MeV accelerator-driven subcritical system (ADS) Injector-I test stand at Institute of High Energy Physics (IHEP) is a testing facility dedicated to demonstrate one of the tw…