Author/Authors :
Hirota، نويسنده , , Seiko and Nishimura، نويسنده , , Yasuhiro and Suda، نويسنده , , Yusuke and Tateishi، نويسنده , , Keiji and Haga، نويسنده , , Yuto and Kametani، نويسنده , , Isao and Shiozawa، نويسنده , , Masato and Nakayama، نويسنده , , Shoei and Tanaka، نويسنده , , Hidekazu and Hayato، نويسنده , , Yoshinari and Nakahata، نويسنده , , Masayuki and Yokoyama، نويسنده , , Masashi and Aihara، نويسنده , , Hiroaki and Ichikawa، نويسنده , , Atsuko and Minamino، نويسنده , , Akihiro and Ikeda، نويسنده , , Motoyasu and Huang، نويسنده , , Kunxian and Nakaya، نويسنده , , Tsuyoshi and Kawai، نويسنده , , Yoshihiko and Suzuki، نويسنده , , Masatoshi and Ohmura، نويسنده , , Takayuki، نويسنده ,
Abstract :
We are developing hybrid photo-detectors (HPDs) for Hyper-Kamiokande, which is a next generation underground water Cherenkov detector designed to search for proton decay and study many topics related to neutrino physics and astrophysics. A verification study of the suitability of HPDs for a water Cherenkov detector in a 200-ton tank is planned. In advance, we evaluated the performances of an 8-in. prototype HPD and tested them in water to confirm their safe operation. The prototype shows better single photon sensitivity and timing resolution than the conventional PMTs used in Super-Kamiokande.
Keywords :
Hybrid photo-detector , HPD , Hyper-Kamiokande , Neutrino Physics
