Calculating of Coupling Factor for the Heterogeneous Part of Accelerating Structure |
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Authors: | BIAN Xiao-Hao CHEN Huai-Bi ZHENG Shu-Xin |
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Affiliation: | Department of Engineering Physics,Tsinghua University,Beijing 100084,China |
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Abstract: | The converging part of electron accelerator is designed to converge the phase of injecting electrons, improving the beam quality of the accelerator. It is very crucial to calculate the coupling factor between cavities and to design the geometry structure of the coupling irises. By the E module of code MAFIA, we calculate the frequency of every single resonant cavity and the two eigenfrequencies of two-cavitiy line. Then we get the coupling factor between the two cavities.This method can be used to design the geometry structure of the coupling irises between every two cavities. Compared to experiment, the results of the method is very accurate. |
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