Design of the TEPX luminometer for the CMS experiment at the HL-LHC

Authors

  • Jose Feliciano Benitez
  • Hedwin Aaron Encinas Acosta Universidad de Sonora
  • Ashish Sehrawat University of Sonora
  • Cristina Oropeza Barrera Iberoamerican University

DOI:

https://doi.org/10.31349/SuplRevMexFis.3.020722

Keywords:

Tracker endcap pixel, high-luminosity, van der Meer

Abstract

The design and expected performance for precision luminosity measurement of the Tracker Endcap Pixel (TEPX) detector for the CMS experiment at the upcoming High-Luminosity LHC (HL-LHC) is described. The TEPX detector is composed of 4 double-sided double disks at each end of CMS covering the range of | z | from 175 to 265 cm, each disk made of 5 rings composed of silicon sensors, with a total of 800 million pixels distributed across the 8 disks. Disk 4 Ring 1 (TEPXD4R1) will be dedicated to luminosity and beam-induced background measurements, utilising the same method as that of the rest of TEPX, namely pixel cluster counting. For the HL-LHC, the goal is to achieve a final uncertainty of 1% for offline luminosity measurements. The expected performance of the TEPX and TEPXD4R1 luminometers in terms of statistical precision for van der Meer scan calibration and for physics conditions, as well as the linearity performance of each disk are presented.

 

References

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CMS Collaboration, CMS luminosity measurement for the 2018 data-taking period at √ s = 13 TeV, CMS-PAS-LUM18-002, 2019. URL https://cds.cern.ch/record/2676164

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Published

2022-06-23

How to Cite

1.
Benitez JF, Encinas Acosta HA, Sehrawat A, Oropeza Barrera C. Design of the TEPX luminometer for the CMS experiment at the HL-LHC. Supl. Rev. Mex. Fis. [Internet]. 2022 Jun. 23 [cited 2022 Oct. 4];3(2):020722 1-4. Available from: https://rmf.smf.mx/ojs/index.php/rmf-s/article/view/6310