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Calculation of the external quality factor of the high power input coupler for the BEPC Ⅱ superconducting cavity |
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| Authors: | HUANG Tong-Ming PAN Wei-Min WANG Guang-Wei TFuruya SMitsunobu |
| Abstract: | It is very important to predict the coupling between the cavity and the high power input source in the coupler design. In this paper, a time domain method is used to calculate the external quality factor Qext for the BEPC Ⅱ superconducting cavity. A comparison between simulation results and experimental results is presented. The results of simulation and measurement of Qext have a good agreement within an error of 10%.The geometry parameters related with Qext are also studied. |
| Keywords: | high power input coupler external quality factor superconducting cavity BEPC input coupler high power quality factor external Calculation cavity geometry parameters related simulation results measurement good error comparison experimental superconducting time domain method used calculate |
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