超导中温RF腔中氧扩散谱的调查与考虑：利用EXAFS光谱学
Investigations and Considerations of Oxygen Diffusion Profiles in Superconducting Mid-T RF Cavities Utilizing EXAFS Spectroscopy
AI总结：
本文通过EXAFS光谱学研究了三种不同处理样品的氧扩散谱，分析了中温处理对超导腔性能的影响，尽管结果受噪声影响较大，但未发现与现有模型矛盾之处，提出了误差估计和未来EXAFS模拟的理论考虑。
摘要：
对中温处理的超导SRF腔中氧分布进行筛查对于推断微观腔格子与腔性能之间的物理关联至关重要。本文分析了三种不同处理样品的氧扩散谱：两种中温烘烤样品和一种采用标准EuXFEL配方的样品。测量方法利用EXAFS光谱学，并在多特蒙德的DELTA设施进行。结果受噪声严重影响，使结果数量几乎无法使用。定性上，未发现与现有模型有关的分布偏差，也未发现先前研究的结果被矛盾。实验分析被精确描述，可能的解释被探讨，并提供了关于误差估计和可能的EXAFS模拟的理论考虑。建议在PETRA III设施进行重复实验。
英文摘要：
A screening of oxygen profiles in mid-T treated SRF cavities is crucial, in order to infer physical correlations between the microscopic cavity lattice and cavity performance - a problem concerning acceleration physicists for years. This thesis provides an analysis of oxygen diffusion profiles for three differently treated samples: Two mid-T baked and the third with the standard EuXFEL recipe. The measurement method utilizes EXAFS spectroscopy and was carried out at the DELTA facility in Dortmund. The result suffers heavily under noise, making the quantity of the result barely useable. Qualitatively, no deviations of current models regarding the profiles, could be proven, and no results of previous studies were contradicted. The experimental analysis is described in precision, interpretations of the possible are undertaken and theoretical considerations regarding error estimation and possible EXAFS simulations for future attempts are provided. A repetition at the PETRA III facility is indicated.
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