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…