Muonic X射线光谱的超导过渡传感器的绝对能量测量在44 KEV处

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Muonic X射线光谱的超导过渡传感器的绝对能量测量在44 KEV处

Absolute Energy Measurements with Superconducting Transition-Edge Sensors for Muonic X-ray Spectroscopy at 44 keV

论文作者

Yan, Daikang, Weber, Joel C., Guruswamy, Tejas, Morgan, Kelsey M., O'Neil, Galen C., Wessels, Abigail L., Bennett, Douglas A., Pappas, Christine G., Mates, John A., Gard, Johnathon D., Becker, Daniel T., Fowler, Joseph W., Swetz, Daniel S., Schmidt, Daniel R., Ullom, Joel N., Okumura, Takuma, Isobe, Tadaaki, Azuma, Toshiyuki, Okada, Shinji, Yamada, Shinya, Hashimoto, Tadashi, Quaranta, Orlando, Miceli, Antonino, Gades, Lisa M., Patel, Umeshkumar M., Paul, Nancy, Bian, Guojie, Indelicato, Paul

论文摘要

超导型过渡传感器（TES）微晶光仪在X射线应用中具有很大的实用性，这是由于其高能分辨率，良好的收集效率以及被多样化为大型阵列的可行性。在这项工作中，我们开发了硬X射线苔丝，以测量Muonic-Argon（$μ$ -AR）过渡线的绝对能量，约44 keV和20 keV。用具有不同热能力的侧面吸收器的苔丝制造并以其能量分辨率和校准不确定性为特征。我们在44 keV时实现了〜1 eV的绝对能量测量精度，<12 eV的能量分辨率在17.5 keV时。

Superconducting transition-edge sensor (TES) microcalorimeters have great utility in x-ray applications owing to their high energy resolution, good collecting efficiency and the feasibility of being multiplexed into large arrays. In this work, we develop hard x-ray TESs to measure the absolute energies of muonic-argon ($μ$-Ar) transition lines around 44 keV and 20 keV. TESs with sidecar absorbers of different heat capacities were fabricated and characterized for their energy resolution and calibration uncertainty. We achieved ~ 1 eV absolute energy measurement accuracy at 44 keV, and < 12 eV energy resolution at 17.5 keV.

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