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Area of Science:

  • High-energy particle physics
  • Experimental particle physics
  • Detector technology

Background:

  • The Large Hadron Collider beauty (LHCb) experiment at CERN utilizes advanced detector systems.
  • The Ring-Imaging Cherenkov (RICH) system is crucial for particle identification.
  • Accurate particle identification is essential for physics analyses at the LHC.

Purpose of the Study:

  • To describe the operation, control, software, and online monitoring of the LHCb RICH system.
  • To present the particle identification performance of the RICH system.
  • To validate the RICH system's capabilities using LHC data.

Main Methods:

  • Detailed description of the RICH system's operational aspects.
  • Implementation and utilization of RICH software and control systems.
  • Analysis of particle identification performance using real LHCb data.

Main Results:

  • Successful operation and monitoring of the RICH system.
  • Demonstrated charged particle identification over a momentum range of 2-100 GeV/c.
  • Excellent separation of hadronic particle types, including pions, kaons, and protons.

Conclusions:

  • The LHCb RICH system is effectively operated and monitored.
  • The RICH system provides high-performance particle identification crucial for LHCb.
  • The system achieves excellent separation of key hadronic particles, meeting experimental requirements.