PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T12: Detector R&D and Data Handling
Strategy for high-precision luminosity measurement with the CMS detector at the HL-LHC
F. Romeo
Full text: Not available
Abstract
The High-Luminosity Large Hadron Collider (HL-LHC) upgrade of the LHC is foreseen to reach
an instantaneous luminosity at a factor of five to seven times the nominal LHC design value
($10^{34}$ cm$^{−2}$ s$^{−1}$). The resulting, unprecedented requirements for background monitoring and luminosity measurement create the need for new high-precision instrumentation at the Compact Muon
Solenoid (CMS) experiment, using radiation-hard detectors. This contribution presents the strategy for bunch-by-bunch online luminosity measurement based on various detector technologies.
The potential of the exploitation of the tracker endcap pixel detector, the outer tracker, the barrel
muon detectors and the 40 MHz muon scouting system is discussed together with the concept of
a standalone luminosity and beam-induced background monitor using Si-pad sensors.
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