Latest results of Longevity studies on the present CMS RPC system for HL-LHC phase

CMS muon group

Research output: Contribution to journalArticlepeer-review

Abstract

The present Compact Muon Solenoid Resistive Plate Chambers system has been worked efficiently during Run I and Run II of data taking period (Shah et al., 2020) [1]. In the coming years of operation with the High Luminosity LHC (HL-LHC), the expected rate and integrated charge are expected to be about 600 Hz/cm2 and 840 mC/cm2, respectively (including a safety factor of three). Therefore, the HL-LHC phase will be a challenge for the RPC system since the expected operating conditions are much harsher than those for which the detectors have been designed, and could introduce non-recoverable aging effects which can alter the detector properties. A longevity test has been started at the CERN Gamma Irradiation Facility to estimate the impact of HL-LHC conditions on the RPC detector performance in order to determine whether the RPC system will survive the harsher background conditions expected at HL-LHC. The latest results of the irradiation test will be presented.

Bibliographical note

Publisher Copyright:
© 2023

Keywords

  • Aging
  • CMS
  • HL-LHC
  • RPC

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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