A 144-channel HAPD for the Aerogel RICH at Belle II

S. Korpar,I. Adachi,N. Hamada,M. Higuchi,T. Iijima,S. Iwata,H. Kakuno,H. Kawai,P. Križan,S. Nishida,S. Ogawa,R. Pestotnik,L. Santelj,A. Stanovnik,A. Seljak,T. Sumiyoshi,Makoto Tabata,E. Tahirovic,K. Yoshida,Y. Yusa

A 144-channel HAPD for the Aerogel RICH at Belle II

2014

S. Korpar
I. Adachi
N. Hamada
M. Higuchi
T. Iijima
S. Iwata
H. Kakuno
H. Kawai
P. Križan
S. Nishida
S. Ogawa
R. Pestotnik
L. Santelj
A. Stanovnik
A. Seljak
T. Sumiyoshi
Makoto Tabata
E. Tahirovic
K. Yoshida
Y. Yusa

Abstract A hybrid photo-detector (HAPD) has been developed for the aerogel RICH (ARICH) of the Belle II experiment. In the present contribution we report the performance tests in magnetic fields, results of the neutron and gamma irradiation studies, and of aging tests. We also review the production status and plans.

Keywords:

Nuclear physics
Neutron
Cherenkov radiation
Magnetic field
Aerogel
Nuclear magnetic resonance
Physics
Optics
gamma irradiation

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