Analytical Study on Beam Steering in Low-β Superconducting Quarter Wave Resonators

ZHANG Cong; ZHAO Hong-wei; HE Yuan

doi:10.11804/NuclPhysRev.27.04.436

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Article Navigation > Nuclear Physics Review > 2010 > 27(4): 436-439

ZHANG Cong, ZHAO Hong-wei, HE Yuan. Analytical Study on Beam Steering in Low-β Superconducting Quarter Wave Resonators[J]. Nuclear Physics Review, 2010, 27(4): 436-439. doi: 10.11804/NuclPhysRev.27.04.436

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ZHANG Cong, ZHAO Hong-wei, HE Yuan. Analytical Study on Beam Steering in Low-β Superconducting Quarter Wave Resonators[J]. Nuclear Physics Review, 2010, 27(4): 436-439. doi: 10.11804/NuclPhysRev.27.04.436

Analytical Study on Beam Steering in Low-β Superconducting Quarter Wave Resonators

doi: 10.11804/NuclPhysRev.27.04.436

1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2010-12-20

Abstract

Superconducting(SC) cavities currently used for acceleration of ions in the velocity range from 0.01 c to 0.3 c are based frequently on quarterwave resonators(QWR). Various types of QWR cavities across a frequency extent from 50 to 240 MHz have been constructed or are proposed for numerous applications. A drawback of this kind of cavities is the beam steering caused by transverse magnetic and electric field components, which can creat emittance growth. In this paper, the analytical studies on beam steering in quarter wave resonator of frequency=80.5 and 161 MHz of the SC linac has been done in Institute of Modern Physics, Chinese Academy of Sciences, the calculated results have told us that the correction for beam deflection should be a consideration during the design of the QWR cavity, which generally involves the shaping the inner drift tube.
- beam steering,
- low-β,
- quarter wave resonator
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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

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Analytical Study on Beam Steering in Low-β Superconducting Quarter Wave Resonators

doi: 10.11804/NuclPhysRev.27.04.436

1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2010-12-20

Key words:

Abstract: Superconducting(SC) cavities currently used for acceleration of ions in the velocity range from 0.01 c to 0.3 c are based frequently on quarterwave resonators(QWR). Various types of QWR cavities across a frequency extent from 50 to 240 MHz have been constructed or are proposed for numerous applications. A drawback of this kind of cavities is the beam steering caused by transverse magnetic and electric field components, which can creat emittance growth. In this paper, the analytical studies on beam steering in quarter wave resonator of frequency=80.5 and 161 MHz of the SC linac has been done in Institute of Modern Physics, Chinese Academy of Sciences, the calculated results have told us that the correction for beam deflection should be a consideration during the design of the QWR cavity, which generally involves the shaping the inner drift tube.

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