Development and evaluation of 10-inch Photo-Multiplier Tubes for the Double Chooz experiment
T. Matsubara, T. Haruna, T. Konno, Y. Endo, M. Bongrand, H. Furuta, T., Hara, M. Ishitsuka, T. Kawasaki, M. Kuze, J. Maeda, Y. Mishina, Y. Miyamoto,, H. Miyata, Y. Nagasaka, Y. Sakamoto, F. Sato, A. Shigemori, F. Suekane, T., Sumiyoshi, H. Tabata, N. Tamura
TL;DR
This paper details the development, testing, and deployment of 10-inch photo-multiplier tubes for the Double Chooz neutrino experiment, ensuring detector performance for precise neutrino oscillation measurements.
Contribution
It introduces specially developed 10-inch PMTs and evaluation systems, with performance data stored for analysis, supporting the experiment's goals.
Findings
400 PMTs evaluated and characterized
Half of the PMTs installed in the far detector in 2009
Performance data stored for analysis and simulation
Abstract
The goal of Double Chooz experiment is a precise measurement of the last unknown mixing angle theta_13 using two identical detectors placed at far and near sites from Chooz reactor cores. The detector is optimized for reactor-neutrino detection using specially developed 10-inch PMTs. We developed two types of measurement systems and evaluated 400 PMTs before the installation. Those PMTs fulfill our requirements, and a half of those have been installed to the far detector in 2009. The character and performance data of the PMTs are stored in a database and will be referenced in analysis and MC simulation.
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