The MINOS light-injection calibration system

P. Adamson, J. Alner, B. Anderson, T. Chase, P. J. Dervan, T. Durkin, E. Falk, P. Harris, D. G. Michael, R. Morse, R. Nichol, R. Saakyan, C. Smith, P. N. Smith, J. Thomas, R. Webb, R. F. White

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

A description is given of the light-injection calibration system that has been developed for the MINOS long-baseline neutrino oscillation experiment. The system is based upon pulsed blue LEDs monitored by PIN photodiodes. It is designed to measure non-linearities in the PMT gain curves, as well as monitoring any drifts in PMT gain, at the 1% level.

Original languageEnglish (US)
Pages (from-to)325-343
Number of pages19
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume492
Issue number3
DOIs
StatePublished - Oct 21 2002

Bibliographical note

Funding Information:
This work has been funded by the UK Particle Physics and Astronomy Research Council and the US Department of Energy. The authors would like to thank the other members of the MINOS collaboration for their support, and in particular Jim Musser and Karol Lang, both of whom have provided valuable criticism of the document, and the members of the scintillator, DAQ, electronics, and integration/installation groups for all of the time and effort spent in accommodating the needs of the light-injection system. Jim Grozier gave generously of his own free time to carry out crucial laboratory tests at Sussex. The assistance of CERN and its PS staff with the test-beam experiments is gratefully acknowledged. The staff at OMC have also been most helpful. This work is based in part on the dissertation of P. Adamson, submitted to the University of Sussex in partial fulfillment of the requirements for the D. Phil. degree [30] .

Keywords

  • Calibration
  • LED
  • Light injection
  • MINOS
  • PMT

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