CERN NA62实验中RICH探测器的精确镜面对准和基本性能
Precise Mirror Alignment and Basic Performance of the RICH Detector of the NA62 Experiment at CERN
摘要：
环形成像切伦科夫探测器对于CERN SPS的NA62实验中带电粒子的识别至关重要。探测器调试于2016年完成，通过使用重建的轨道精确对准镜子。介绍了对准过程和基本性能的测量。环半径分辨率，环中心分辨率，单次命中分辨率和平均命中数每环的正电子轨道进行评估。计算了剩余反射镜失调对系统性能的影响。
英文摘要：
The Ring Imaging Cherenkov detector is crucial for the identification of charged particles in the NA62 experiment at the CERN SPS. The detector commissioning was completed in 2016 by the precise alignment of mirrors using reconstructed tracks. The alignment procedure and measurement of the basic performance are described. Ring radius resolution, ring centre resolution, single hit resolution and mean number of hits per ring are evaluated for positron tracks. The contribution of the residual mirror misalignment to the performance is calculated.
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