Analysis and correction of the magnetic field effects in the Hybrid Photo-Detectors of the RICH2 Ring Imaging Cherenkov detector of LHCb.

@article{Cardinale2011AnalysisAC,
  title={Analysis and correction of the magnetic field effects in the Hybrid Photo-Detectors of the RICH2 Ring Imaging Cherenkov detector of LHCb.},
  author={Roberta Cardinale and Carmelo D’Ambrosio and Roger W Forty and Christopher M. Frei and Thierry Gys and Alessandro Petrolini and Didier Piedigrossi and B. Storaci and Marco Villa},
  journal={Journal of Instrumentation},
  year={2011},
  volume={6},
  pages={06010}
}
The Ring Imaging Cherenkov detectors of the LHCb experiment at the Large Hadron Collider at CERN are equipped with Hybrid Photo-Detectors. These vacuum photo-detectors are affected by the stray magnetic field of the LHCb magnet, which degrades their imaging properties. This effect increases the error on the Cherenkov angle measurement and would reduce the particle identification capabilities of LHCb. A system has been developed for the RICH2 Ring Imaging Cherenkov detector to perform a detailed… 

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