Trigger-less readout architecture for the upgrade of the LHCb experiment at CERN

被引：7
|
作者：
Alessio, F. [1 ]
机构：
[1] CERN, CH-1211 Geneva, Switzerland
来源：
JOURNAL OF INSTRUMENTATION | 2013年 / 8卷
关键词：
Data acquisition concepts; Trigger concepts and systems (hardware and software); Front-end electronics for detector readout; Detector control systems (detector and experiment monitoring and slow-control systems; architecture; hardware; algorithms; databases);
D O I：
10.1088/1748-0221/8/12/C12019
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The LHCb experiment has proposed an upgrade of its detector in order to collect data at ten times its initial design luminosity. The current readout architecture will be upgraded by removing the existing first-level hardware trigger whose efficiency is limited for hadronic channels at high luminosity. The new readout system will record every LHC bunch crossing and send data to a trigger selection process performed entirely by software running in a computing farm. Therefore, the new readout system must cope with higher sub-detector occupancies, higher rate and higher network load. In this paper, we describe the architecture, functionalities and technological challenges of such an upgraded system.
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收藏
页数：10
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