Development of a 13-in. Hybrid Avalanche Photo-Detector (HAPD) for a next generation water Cherenkov detector

Author(s):  
H. Nakayama ◽  
A. Kusaka ◽  
H. Kakuno ◽  
T. Abe ◽  
M. Iwasaki ◽  
...  
2003 ◽  
Vol 18 (22) ◽  
pp. 4053-4063 ◽  
Author(s):  
KENZO NAKAMURA

A next generation water Cherenkov detector at Kamioka with a total mass of ~1 Mton is called Hyper-Kamiokande. If the beam intensity of a 50-GeV proton synchrotron now under construction at Tokai is upgraded to 4 MW in future, a long baseline neutrino oscillation experiment with Hyper-Kamiokande as a far detector will open the possibility of measuring CP violation in the neutrino sector. Also, Hyper-Kamiokande will allow to extend nucleon decay search to τp/B(p → e+π0) > 1035 yr and [Formula: see text]. Aiming at the realization of Hyper-Kamiokande, various R&D efforts are in progress.


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