Study of influence of radial matcher section end shape on RFQ cavity frequency

ZHANG Zhou-Li; HE Yuan; ZHANG Bin; LI De-Run; SHI Ai-Min; PAN Gang; DU Xiao-Nan; SUN Lie-Peng

doi:10.1088/1674-1137/38/7/077007

Chinese Physics C> 2014, Vol. 38> Issue(7) : 077007 DOI: 10.1088/1674-1137/38/7/077007

Study of influence of radial matcher section end shape on RFQ cavity frequency

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Abstract：
To investigate the feasibility of using a form cutter to machine the Radial Matcher Section (RMS) of the Radio Frequency Quadrupole (RFQ) for the Accelerator Driven System (ADS) project at Institute of Modern Physics, Chinese Academy of Sciences (IMP, CAS), the influence of RMS end shape on the RFQ cavity frequency is studied. The results indicate that using a form cutter to machine the RMS of an RFQ will indeed influence the cavity frequency. The RMS end shape will give more influence to a shorter RFQ cavity. For the 4.2 m ADS RFQ, the influence is negligible, which means that a form cutter can be used to machine the RMS.
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ZHANG Zhou-Li, HE Yuan, ZHANG Bin, LI De-Run, SHI Ai-Min, PAN Gang, DU Xiao-Nan and SUN Lie-Peng. Study of influence of radial matcher section end shape on RFQ cavity frequency[J]. Chinese Physics C, 2014, 38(7): 077007. doi: 10.1088/1674-1137/38/7/077007

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Received: 2013-09-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of influence of radial matcher section end shape on RFQ cavity frequency

Corresponding author: ZHANG Zhou-Li,

Received Date: 2013-09-22
Accepted Date: 1900-01-01
Available Online: 2014-07-05

Abstract: To investigate the feasibility of using a form cutter to machine the Radial Matcher Section (RMS) of the Radio Frequency Quadrupole (RFQ) for the Accelerator Driven System (ADS) project at Institute of Modern Physics, Chinese Academy of Sciences (IMP, CAS), the influence of RMS end shape on the RFQ cavity frequency is studied. The results indicate that using a form cutter to machine the RMS of an RFQ will indeed influence the cavity frequency. The RMS end shape will give more influence to a shorter RFQ cavity. For the 4.2 m ADS RFQ, the influence is negligible, which means that a form cutter can be used to machine the RMS.