Development and evaluation of 10-inch Photo-Multiplier Tubes for the Double Chooz experiment

Authors :: Matsubara, T.
Haruna, T.
Konno, T.
Endo, Y.
Bongrand, M.
Furuta, H.
Hara, T.
Ishitsuka, M.
Kawasaki, T.
Kuze, M.
Maeda, J.
Mishina, Y.
Miyamoto, Y.
Miyata, H.
Nagasaka, Y.
Sakamoto, Y.
Sato, F.
Shigemori, A.
Suekane, F.
Sumiyoshi, T.
Tabata, H.
Tamura, N.
Publication Year :: 2011
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.<br />Comment: Submitted to Nuclear Instruments and Methods A

Subjects :: Physics - Instrumentation and Detectors
High Energy Physics - Experiment

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