The Phase-I upgrade of the ATLAS Level-1 calorimeter trigger

被引：0
|
作者：
Ermoline, Y. [1 ]
机构：
[1] Michigan State Univ, E Lansing, MI 48824 USA
来源：
JOURNAL OF INSTRUMENTATION | 2020年 / 15卷 / 06期
关键词：
Trigger concepts and systems (hardware and software); Trigger detectors; Front-end electronics for detector readout; Large detector systems for particle and astroparticle physics;
D O I：
10.1088/1748-0221/15/06/C06040
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The ATLAS Level-1 calorimeter trigger (L1Calo) is a hardware-based system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. In preparation for Run 3, when the LHC will run at higher energy and instantaneous luminosity, L1Calo is currently implementing a significant programme of planned upgrades. The existing hardware will be replaced by a new system of feature extractor (FEX) modules, which will process finer-granularity information from the calorimeters and execute more sophisticated algorithms to identify physics objects; these upgrades will permit better performance in a challenging high-luminosity and high-pileup environment.
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页数：6
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