论文标题
1米长的750 MHz射频四极杆的RF测量和调整用于艺术品分析
rf measurements and tuning of the 1-meter-long 750 MHz radio-frequency quadrupole for artwork analysis
论文作者
论文摘要
在CERN开发和建造的750 MHz Pixe-RFQ（射频四极杆）在质子诱导的X射线发射分析（PIXE）的文化遗产艺术品的长度上提供了2 MEV质子。在本文中，我们报告了已完成2020年中期的Pixe-RFQ的低功率RF测量和调整。使用基于响应矩阵的直接测量的新算法，场和频率只能在两个步骤中同时调整以满足精度。此外，我们报告了单个模块，质量因素和耦合强度的测量值。在所有情况下，都可以观察到RF测量和设计值之间的很好的一致性。
The 750 MHz PIXE-RFQ (radio-frequency quadrupole), developed and built at CERN, provides 2 MeV protons over a length of one meter for proton-induced X-ray emission analysis (PIXE) of cultural heritage artwork. In this paper, we report low-power rf measurements and tuning of the PIXE-RFQ, which have been completed mid-2020. Using a novel algorithm based on direct measurements of the response matrix, field and frequency could tuned at the same time in only two steps to satisfying accuracy. Additionally, we report measurements of single modules, quality factors, and coupling strength. In all cases, very good agreement between rf measurement and design values was observed.
