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Commissioning of the upgraded RICH system at the LHCb experiment

被引：0
|
作者：
Okamura, S. [1 ]
机构：
[1] Univ Ferrara, Dept Phys, Via Giuseppe Saragat 1, Ferrara, Italy
来源：
JOURNAL OF INSTRUMENTATION | 2022年 / 17卷 / 11期
关键词：
Cherenkov and transition radiation; Particle identification methods;
D O I：
10.1088/1748-0221/17/11/C11006
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Ring-Imaging Cherenkov (RICH) system is an essential element of the LHCb experiment: it consists of an upstreamdetector (RICH 1), located close to the interaction point, and a downstream detector (RICH 2), placed after the tracking system and has the task of identifying charged hadrons over the momentum range 2-100 GeV/c. Currently, the LHCb experiment is completing an upgrade phase to allow data collection at a five-fold increase in instantaneous luminosity up to 2 x 10(33) cm(-2) s(-1) and read out data at a rate of 40MHz. The challenges of the higher luminosity are a significant increase in detector occupancy and a larger radiation dose. To match the new experimental requirements, both RICH detectors have been upgraded with a redesigned opto-electronic chain and new photon detectors. In addition, RICH 1 has a modified layout with new mechanics and spherical mirrors to reduce the maximum occupancy. A summary of the upgrade program and the current status of the commissioning operations will be presented.
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页数：8
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