Design study of the SSC-LINAC re-buncher

SUN Lie-Peng; ZHAO Hong-Wei; SUN Zhou-Ping; HE Yuan; SHI Ai-Min; XIAO Chen; DU Xiao-Nan; ZHANG Cong; ZHANG Zhou-Li

doi:10.1088/1674-1137/37/2/027002

Chinese Physics C> 2013, Vol. 37> Issue(2) : 027002 DOI: 10.1088/1674-1137/37/2/027002

Design study of the SSC-LINAC re-buncher

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A re-buncher with spiral arms for a heavy ion linear accelerator named as SSC-LINAC at HIRFL (the heavy ion research facility of Lanzhou) has been constructed. The re-buncher, which is used for beam longitudinal modulation and matching between the RFQ and DTL, is designed to be operated in continuous wave (CW) mode at the Medium-Energy Beam-Transport (MEBT) line to maintain the beam intensity and quality. Because of the longitudinal space limitation, the re-buncher has to be very compact and will be built with four gaps. We determined the key parameters of the re-buncher cavity from the simulations using Microwave Studio software, such as the resonant frequency, the quality factor Q and the shunt impedance. The detailed design of a 53.667 MHz spiral cavity and measurement results of its prototype will be presented.

References

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SUN Lie-Peng, ZHAO Hong-Wei, SUN Zhou-Ping, HE Yuan, SHI Ai-Min, XIAO Chen, DU Xiao-Nan, ZHANG Cong and ZHANG Zhou-Li. Design study of the SSC-LINAC re-buncher[J]. Chinese Physics C, 2013, 37(2): 027002. doi: 10.1088/1674-1137/37/2/027002

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Received: 2011-09-14
Revised: 2012-05-19

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Design study of the SSC-LINAC re-buncher

Corresponding author: SUN Lie-Peng,

Received Date: 2011-09-14

Accepted Date: 2012-05-19

Available Online: 2013-02-05

Abstract: A re-buncher with spiral arms for a heavy ion linear accelerator named as SSC-LINAC at HIRFL (the heavy ion research facility of Lanzhou) has been constructed. The re-buncher, which is used for beam longitudinal modulation and matching between the RFQ and DTL, is designed to be operated in continuous wave (CW) mode at the Medium-Energy Beam-Transport (MEBT) line to maintain the beam intensity and quality. Because of the longitudinal space limitation, the re-buncher has to be very compact and will be built with four gaps. We determined the key parameters of the re-buncher cavity from the simulations using Microwave Studio software, such as the resonant frequency, the quality factor Q and the shunt impedance. The detailed design of a 53.667 MHz spiral cavity and measurement results of its prototype will be presented.

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Design study of the SSC-LINAC re-buncher

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