The Pixel Luminosity Telescope: a detector for luminosity measurement at CMS using silicon pixel sensors
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- Quito, Escuela Politecnica Natl.
- San Francisco de Quito U.
- NICPB, Tallinn
- DESY
- DESY; Gent U.
- DESY; Brandenburg Tech. U.
- DESY; Purdue U.
- KIT, Karlsruhe, EKP
- Eotvos U.; Budapest, RMKI
- Eotvos U.; Alabama U.
- Eotvos U.
- Eotvos U.; Hamburg U.
- Isfahan Tech. U.; DESY
- Isfahan Tech. U.
- Isfahan Tech. U.; Sharif U. of Tech.
- INFN, Bologna
- INFN, Padua; Fermilab
- INFN, Turin; Turin U.
- Vilnius U.
- Sonora U.
- Iberoamericana U.
- Canterbury U.
- Canterbury U.; Boston U.
- CERN
- CERN; Rutherford
- CERN; DESY
- CERN; Vienna, OAW
- CERN; Zurich, ETH
- CERN; Tech. U., Dortmund (main); IJCLab, Orsay
- CERN; UC, San Diego
- PSI, Villigen
- Kansas U.
- Maryland U.
- Minnesota U.
- Northwestern U.
- Northwestern U.; Aachen, Tech. Hochsch.
- Princeton U.
- Princeton U.; Brown U.
- Rutgers U., Piscataway
- Rutgers U., Piscataway; Brookhaven Natl. Lab.
- Rutgers U., Piscataway; Brandenburg Tech. U.
- Tennessee U.
- Tennessee U.; Los Alamos
- Vanderbilt U.
- Wisconsin U., Madison
- Unlisted
- Unlisted; INFN, Padua
- Unlisted; Rochester U.
- Unlisted; Budapest, RMKI
- Unlisted; DESY
- Unlisted; Princeton U.
The Pixel Luminosity Telescope is a silicon pixel detector dedicated to luminosity measurement at the CMS experiment at the LHC. It is located approximately 1.75 m from the interaction point and arranged into 16 “telescopes”, with eight telescopes installed around the beam pipe at either end of the detector and each telescope composed of three individual silicon sensor planes. The per-bunch instantaneous luminosity is measured by counting events where all three planes in the telescope register a hit, using a special readout at the full LHC bunch-crossing rate of 40 MHz. The full pixel information is read out at a lower rate and can be used to determine calibrations, corrections, and systematic uncertainties for the online and offline measurements. This paper details the commissioning, operational history, and performance of the detector during Run 2 (2015–18) of the LHC, as well as preparations for Run 3, which will begin in 2022.
- Research Organization:
- Aachen, Tech. Hochsch.; Alabama U.; Boston U.; Brandenburg Tech. U.; Brookhaven National Laboratory (BNL), Upton, NY (United States); Brown U.; Budapest, RMKI; CERN; Canterbury U.; DESY; Eotvos U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Gent U.; Hamburg U.; IJCLab, Orsay; INFN, Bologna; INFN, Padua; INFN, Turin; Iberoamericana U.; Isfahan Tech. U.; KIT, Karlsruhe, EKP; Kansas U.; Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Maryland U.; Minnesota U.; NICPB, Tallinn; Northwestern U.; PSI, Villigen; Princeton U.; Purdue U.; Quito, Escuela Politecnica Natl.; Rochester U.; Rutgers U., Piscataway; Rutherford; San Francisco de Quito U.; Sharif U. of Tech.; Sonora U.; Tech. U., Dortmund (main); Tennessee U.; Turin U.; UC, San Diego; Unlisted; Vanderbilt U.; Vienna, OAW; Vilnius U.; Wisconsin U., Madison; Zurich, ETH
- Sponsoring Organization:
- US Department of Energy
- Grant/Contract Number:
- 89243024CSC000002; AC02-07CH11359
- OSTI ID:
- 2217207
- Report Number(s):
- CERN-CMS-NOTE-2022-007; CMS-DN-21-008; CMS-NOTE-2022-007; FERMILAB-PUB-23-728-CMS; oai:inspirehep.net:2098012; arXiv:2206.08870
- Journal Information:
- Eur.Phys.J.C, Journal Name: Eur.Phys.J.C Journal Issue: 7 Vol. 83
- Country of Publication:
- United States
- Language:
- English
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