Evaluation of 400 low background 10-in. photo-multiplier tubes for the Double Chooz experiment

Takahiko Matsubara ,T Kawasaki,T Sumiyoshi,A Shigemori,H Miyata,M Bongrand,M Kuze,F Suekane,T Hara,Y Mishina ,Takumi Haruna ,H Tabata ,T Konno ,Yusuke Endo ,Y Sakamoto ,F Sato ,M Ishitsuka ,Y Nagasaka ,H Furuta ,J Maeda ,Yusuke Miyamoto ,N Tamura

doi:10.1016/j.nima.2011.09.023

Evaluation of 400 low background 10-in. photo-multiplier tubes for the Double Chooz experiment

Takahiko Matsubara , T Kawasaki + Show 20 more

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https://doi.org/10.1016/j.nima.2011.09.023

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Journal: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment	Publication Date: Oct 3, 2011
Citations: 21

Affiliation: Tokyo Institute of Technology, Niigata University, Tokyo Metropolitan University, Tohoku University, Kobe University, Tohoku Gakuin University, Hiroshima Institute of Technology

#Double Chooz Experiment #Identical Detectors + Show 8 more

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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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