PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Accelerators
LUCID: The ATLAS Luminosity Detector
F. Lasagni manghi*  on behalf of the ATLAS LUCID Collaboration
Full text: pdf
Published on: August 02, 2019
The LUCID detector is the main luminosity provider of the ATLAS experiment and the only one able to provide a reliable luminosity determination in all beam configurations, luminosity ranges and at bunch-crossing level.
LUCID was entirely redesigned in preparation for Run 2: both the detector and the electronics were upgraded in order to cope with the challenging conditions expected at the LHC center of mass energy of $13$ TeV and with $25$ ns bunch-spacing.
An innovative calibration system based on radioactive 207 Bi sources deposited on the quartz window of the readout photomultipliers was implemented, resulting in the ability to control the detectors long time stability at a percent level.
A description of the detector and its readout electronics is given as well as preliminary results of the ATLAS luminosity measurement and related systematic uncertainties.
DOI: https://doi.org/10.22323/1.340.0280
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