Real-time calibration and alignment of the LHCb RICH detectors

被引：2
|
作者：
He, Jibo [1 ]
机构：
[1] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 876卷
关键词：
RICH; Cherenkov detectors; Calibration; Alignment; LHCb;
D O I：
10.1016/j.nima.2016.12.041
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In 2015, the LHCb experiment established a new and unique software trigger strategy with the purpose of increasing the purity of the signal events by applying the same algorithms online and offline. To achieve this, real-time calibration and alignment of all LHCb sub-systems is needed to provide vertexing, tracking, and particle identification of the best possible quality. The calibration of the refractive index of the RICH radiators, the calibration of the Hybrid Photon Detector image, and the alignment of the RICH mirror system, are reported in this contribution. The stability of the RICH performance and the particle identification performance are also discussed.
引用
收藏
页码：13 / 16
页数：4
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