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arXiv 1010.0437physics.acc-ph
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闪光时三次谐波腔中的高阶模

Higher Order Modes In Third Harmonic Cavities at Flash

I. R. R. Shinton, N. Baboi, T. Flisgen, H. W. Glock, R. M. Jones, U van Rienen, P. Zhang

摘要:

本文报道了FNAL设计和制作的3.9GHz谐振腔中的横模,如果不加以抑制,这些横模有可能引起发射度的显著稀释。最近的探针为基础的实验表明,在独立的9细胞腔预测的模式之间的显着差异相比,在4腔模块。我们采用代码HFSS来分析这些模式,耦合通过束管,其截止值高于第一偶极带。

英文摘要:

Transverse modes in the 3.9 GHz cavities, designed and fabricated by FNAL, are reported on. These modes have the potential to cause significant emittance dilution if they are not sufficiently suppressed. Recent probe-based-experiments have indicated significant discrepancies between modes predicted in stand-alone 9-cell cavities compared to those in 4-cavity modules. We employ the code HFSS to analyze these modes, coupled through beam tubes whose cut-off is above that of the first dipole band.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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