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The MINOS Light Injection Calibration System

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

hep-exarXiv:hep-ex/0204021

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.

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