The magnetic distortion calibration system of the LHCb RICH1 detector

A. Borgia, W. Cameron, A. Contu, C. D'Ambrosio, C. Frei, N. Harnew, M. John, G. Lefeuvre, R. Mountain, Sheldon Stone, D. Websdale, F. Xing

Research output: Contribution to journalArticle

1 Scopus citations


The LHCb RICH1 detector uses hybrid photon detectors (HPDs) as its optical sensors. A calibration system has been constructed to provide corrections for distortions that are primarily due to external magnetic fields. We describe here the system design, construction, operation and performance.



  • Calibration
  • detector
  • Hybrid photon detector
  • LHCb
  • Magnetic distortion
  • Ring imaging Cherenkov (RICH)

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

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