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High Frequency Structure Design and RF Stability Analysis of A 4-Vane Radio Frequency Quadrupole with Pi-Mode Stabilizer Loops (PISLs) [article]

Xiaowen Zhu, Claude Marchand, Olivier Piquet, Michel Desmons
2022

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Compact Accelerator-based Neutron Source (CANS) facilities are becoming popular and playing an important and expanding role in material and engineering sciences, as well as in neutron science education and training. The neutrons are produced by bombarding a low energy proton beam on a beryllium or lithium target. In such an accelerator-based neutron source, the Radiofrequency Quadrupole (RFQ) is usually used to accelerate a high intensity proton beam to a few MeV. This paper mainly covers the
more » ... gh frequency structure design optimizations of a 4-vane RFQ with Pi-mode Stabilizer Loops (PISLs) and its RF stability analysis. A 176 MHz RFQ accelerator is designed to operate at 10% duty factor and could accelerate an 80-mA proton beam from 65 keV to 2.5 MeV within a length of 5.3 meters. The adoption of PISLs ensures large RF stability and makes the operation of the accelerator easier and implies less stringent alignment and machining tolerances.
doi:10.48550/arxiv.2201.12012 fatcat:szethu4wojclvfpppcaaoa4cey
Citation

Xiaowen Zhu, Claude Marchand, Olivier Piquet, Michel Desmons. "High Frequency Structure Design and RF Stability Analysis of A 4-Vane Radio Frequency Quadrupole with Pi-Mode Stabilizer Loops (PISLs)." (2022)