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Cross-calibration of Telescope Array Fluorescence Detectors with Static and Roving Standard Candles

机译:带有静态和粗动标准蜡烛的望远镜阵列荧光探测器的交叉校准

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The Telescope Array ultra-high-energy cosmic-ray detector experiment in central Utah includes a heteroge-neousset of detectors for atmospheric fluorescence, with independent internal calibration procedures, data acquisition,and analysis chains. A unified photometric scale among the different detectors is essential to an accurate stereo energyspectrum. To attain this agreement, we employ numerous standard candles for cross-calibration. A central laser facilityprovides a signal simultaneously visible to a pair of telescopes in each detector. Two separate portable lasers are trans-portedto at least nineteen sites, each visible to one of the experiment's telescope pairs. Additionally, an assortment ofmirror-mounted portable flashers illuminate the telescopes' photomultiplier tube clusters directly. Intrinsic differencesbetween detector sites, telescopes, and pixels can then be accounted for in the analysis of cosmic-ray data. We present asynopsis of the various cross-calibration techniques to be employed and the expected improvements to the fluorescencedetector energy scale accuracy.
机译:在犹他州中部的望远镜阵列超高能宇宙射线探测器实验包括一组用于大气荧光的探测器,具有独立的内部校准程序,数据采集和分析链。不同探测器之间的统一光度标度对于准确的立体能谱至关重要。为达成此协议,我们使用大量标准蜡烛进行交叉校准。中央激光设备在每个探测器中的一对望远镜同时提供可见信号。将两个单独的便携式激光器传输到至少19个位置,每个位置对实验的一对望远镜可见。此外,各种各样的安装在镜子上的便携式闪光灯直接照亮了望远镜的光电倍增管管束。然后可以在分析宇宙射线数据时考虑探测器位置,望远镜和像素之间的内在差异。我们提出了要使用的各种交叉校准技术的摘要,以及荧光检测器能量规模精度的预期改进。

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