Analysis of Higher Order Modes Damping Techniques in 9 Cell Cavity with Modified Drift Tubes

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• 作者：Ya.V. Shashkov^a ; ^{shashkovyv@mail.ru" class="auth_mail" title="E-mail the corresponding author} ; A.A. Mitrofanov^a ; N.P. Sobenin^a ; V.L. Zvyagintsev^b
• 关键词：higher order modes ; harmonic cavities ; superconducting cavities
• 刊名：Physics Procedia
• 出版年：2015
• 出版时间：2015
• 年：2015
• 卷：74
• 期：Complete
• 页码：124-131
• 全文大小：970 K

文摘

Electrodynamic characteristics (EDC) of higher order modes (HOM) were calculated for a superconducting 9-cell accelerating cavity of eLinac accelerator with operating frequency of 1300 MHz. Several HOM damping techniques including damping with grooved, fluted and ridged beam pipes were analyzed and compared. The influence of the parameters of the drift tube on the HOM damping and on the parameters of the fundamental wave was analyzed.