T. Sumiyoshi
Tokyo Metropolitan University
11 Papers
156 Citations
T. Sumiyoshi is an academic researcher from Tokyo Metropolitan University. The author has contributed to research in topics: Cherenkov radiation & Ring-imaging Cherenkov detector. The author has an hindex of 7, co-authored 11 publications.
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Papers
Studies of proximity focusing RICH with an aerogel radiator using flat-panel multi-anode PMTs (Hamamatsu H8500)
T. Matsumoto,Samo Korpar,Iki Adachi,S. Fratina,Toru Iijima,R Ishibashi,H. Kawai,P. Križan,S. Ogawa,R. Pestotnik,S. Saitoh,T. Seki,T. Sumiyoshi,K. Suzuki,T. Tabata,Y. Uchida,Y. Unno +16 more
TL;DR: In this paper, a proximity focusing ring imaging Cherenkov detector using aerogel as the radiator has been studied for upgrading the Belle detector at the KEK-B-factory.
Study of highly transparent silica aerogel as a RICH radiator
Ichiro Adachi,S. Fratina,T. Fukushima,Andrej Gorišek,Toru Iijima,H. Kawai,M. Konishi,Samo Korpar,Samo Korpar,Y. Kozakai,P. Križan,P. Križan,T. Matsumoto,Y. Mazuka,S. Nishida,S. Ogawa,S. Ohtake,R. Pestotnik,S. Saitoh,T. Seki,T. Sumiyoshi,Makoto Tabata,Y. Uchida,Yoshinobu Unno,Shimpei Yamamoto +24 more
TL;DR: In this paper, a silica aerogel sample with a higher refractive index (n) of ∼ 1.05 was successfully produced while keeping the hydrophobic feature.
RICH with multiple aerogel layers of different refractive index
Samo Korpar,Samo Korpar,I. Adachi,S. Fratina,T. Fukushima,Andrej Gorišek,Toru Iijima,H. Kawai,H. Konishi,Y. Kozakai,P. Križan,P. Križan,T. Matsumoto,Y. Mazuka,S. Nishida,S. Ogawa,S. Ohtake,R. Pestotnik,S. Saitoh,T. Seki,A. Stanovnik,A. Stanovnik,T. Sumiyoshi,Y. Uchida,Y. Unno,Shimpei Yamamoto +25 more
TL;DR: In this article, a proximity focusing ring imaging Cherenkov detector with multiple aerogel radiator layers is studied and the results are promising and appear to satisfy the requirements for the forthcoming upgrade of the particle identification system of the Belle detector.
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Proximity focusing RICH with flat panel PMT as photon detector and aerogel as radiator
P. Križan,P. Križan,Iki Adachi,S. Fratina,S. Fukushima,Andrej Gorišek,Toru Iijima,Hikaru Kawai,H. Konishi,Samo Korpar,Samo Korpar,Y. Kozakai,T. Matsumoto,Y. Mazuka,S. Nishida,S. Ogawa,S. Ohtake,R. Pestotnik,S. Saitoh,T. Seki,T. Sumiyoshi,Y. Uchida,Y. Unno,Shimpei Yamamoto +23 more
TL;DR: Using aerogel as radiator and 64-channel flat panel multi-anode PMTs (Hamamatsu H8500) for photon detection, a proximity focusing Cherenkov ring imaging detector was constructed and tested in the KEK π 2 beam as discussed by the authors.
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Development of a multi-pixel photon sensor with single-photon sensitivity
Motohiro Suyama,Motohiro Suyama,Atsuhito Fukasawa,J. Haba,Toru Iijima,S. Iwata,Makoto Sakuda,T. Sumiyoshi,Fumihiko Takasaki,Manobu Tanaka,Toru Tsuboyama,Yoshikazu Yamada +11 more
TL;DR: In this article, a multi-pixel photon sensor with single-photon sensitivity has been developed based on a hybrid photo-detector (HPD) technology, it consists of a photocathode and a multipixel avalanche diode (MP-AD).
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