Qualification Tests of 474 Photomultiplier Tubes for the Inner Detector of the Double Chooz Experiment
C. Bauer, E. Borger, R. Hofacker, K. J\"anner, F. Kaether, C., Langbrandtner, M. Lindner, S. Lucht, M. Reissfelder, S. Sch\"onert, A., St\"uken, C. Wiebusch
TL;DR
This paper details the comprehensive testing and calibration procedures for 474 photomultiplier tubes used in the Double Chooz neutrino experiment, ensuring their optimal performance for particle detection.
Contribution
It introduces a unique test setup capable of calibrating multiple PMTs simultaneously and thoroughly characterizing their key performance parameters.
Findings
Successful calibration of 474 PMTs
Characterization of single photoelectron response and transit time spread
Assessment of linearity, saturation, and photon detection efficiency
Abstract
The hemispherical 10" photomultiplier tube (PMT) R7081 from Hamamatsu Photonics K.K. (HPK) is used in various experiments in particle and astroparticle physics. We describe the test and calibration of 474 PMTs for the reactor antineutrino experiment Double Chooz. The unique test setup at Max-Planck-Institut f\"ur Kernphysik Heidelberg (MPIK) allows one to calibrate 30 PMTs simultaneously and to characterize the single photo electron response, transit time spread, linear behaviour and saturation effects, photon detection efficiency and high voltage calibration.
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