PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Poster Session
Run 3 luminosity measurements with the Pixel Luminosity Telescope
N. Karunarathna*  on behalf of the CMS Collaboration
Full text: pdf
Pre-published on: November 22, 2022
Published on: June 15, 2023
For Run-3 of the LHC, the CMS experiment has installed the pixel luminosity telescope (PLT) which is made of three layers of pixel sensors that count charged particles from each bunch crossing of the LHC beam. The rate of triple-coincidences between layers is translated into a luminosity value that is published about every 1.4 seconds. In addition, at a lower rate, particle trajectories are reconstructed for systematic studies of beam backgrounds and efficiencies. The paper discussed the working principles of luminosity calibrations and results from systematic studies.
DOI: https://doi.org/10.22323/1.414.0936
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