Voltage Breakdown in a 420 MHz RFQ Structure

Williams, S.W.; DePaula, R.F.; Keffeler, D. R.; Rodenz, G.R.

doi:10.1109/tns.1981.4331978

Cited by 4 publications

(1 citation statement)

References 1 publication

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“…For example, the maximal electric field is about 7.2 MV/m when the frequency is 26 MHz according to the empirical formula in Ref. [10], considering the inter-vane voltage is 70 kV, the minimal distance in the structure shouldn't be less than 7 mm. It is hard to machine and install the diaphragms in the quadrupoles, if we keep enough focusing strength.…”

Section: Beam Dynamics Study Of Sfrfqmentioning

confidence: 99%

Study of separated function radio frequency quadrupoles accelerator

Wang¹,

Chen²,

Lu³

et al. 2010

Chinese Phys. C

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SFRFQ (Separated Function Radio Frequency Quadrupoles) accelerator is a new post accelerator of RFQ (Radio Frequency Quadrupoles) type, which has been developed since the beginning of the 1990s at Peking University. In order to demonstrate the possibility of the SFRFQ, a prototype cavity has been designed. A special dynamics design method has been proposed to avoid the sparking problem and decrease the energy spread at the exit of SFRFQ. It consists of two aspects: the asymmetry structure design for transverse focusing and the inner buncher design for longitudinal bunching. This allows the improvement of the beam properties without increasing the cavity length. The simulation results show that the energy spread can be substantially reduced by using the inner buncher in the SFRFQ structure.

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Section: Beam Dynamics Study Of Sfrfqmentioning

confidence: 99%

Study of separated function radio frequency quadrupoles accelerator

Wang¹,

Chen²,

Lu³

et al. 2010

Chinese Phys. C

View full text Add to dashboard Cite

show abstract

Separated function RFQ beam dynamics design and commissioning

Kang¹,

Lu²,

Chen³

et al. 2011

Nuclear Instruments and Methods in Physics Research Section A:

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Vane Fabrication for the Proof-of-Principle Radio-Frequency Quadrupole Accelerator

Williams

Potter

1981

IEEE Trans. Nucl. Sci.

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The electrodes for the Proof-of-Prlnclple (pOP) Radio-Frequency Quadruple (RFIJ)accelerator were machined on a numerically controlled, three-axis, vertical mill. These pole tips, or vanes, were prepared for, and used, in the successful demonstration of RFQ practicality at Log Alamos National Laboratory In February, 1980. The data set that described the vanes contained about 10mlllion bits of tool position data. The vanes werecut from OFHC copper blanks. The tolerances achieved were approxi-mately+ 0.005 cm. The design and manufacturing procedures-are described.

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Voltage Breakdown in a 420 MHz RFQ Structure

Cited by 4 publications

References 1 publication

Study of separated function radio frequency quadrupoles accelerator

Study of separated function radio frequency quadrupoles accelerator

Separated function RFQ beam dynamics design and commissioning

Vane Fabrication for the Proof-of-Principle Radio-Frequency Quadrupole Accelerator

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