Performance of the electronic readout of the ATLAS liquid argon calorimeters

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Published 7 September 2010 Published under licence by IOP Publishing Ltd
, , Citation H Abreu et al 2010 JINST 5 P09003 DOI 10.1088/1748-0221/5/09/P09003

1748-0221/5/09/P09003

Abstract

The ATLAS detector has been designed for operation at the Large Hadron Collider at CERN. ATLAS includes electromagnetic and hadronic liquid argon calorimeters, with almost 200,000 channels of data that must be sampled at the LHC bunch crossing frequency of 40 MHz. The calorimeter electronics calibration and readout are performed by custom electronics developed specifically for these purposes. This paper describes the system performance of the ATLAS liquid argon calibration and readout electronics, including noise, energy and time resolution, and long term stability, with data taken mainly from full-system calibration runs performed after installation of the system in the ATLAS detector hall at CERN.

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10.1088/1748-0221/5/09/P09003